This document provides instructions for assembling and installing the AV-640 8 Band Vertical Antenna. It contains 3 key points:
1) The antenna consists of a center radiator and individual stubs that resonate on different frequency bands without the use of traps. Proper assembly and positioning of the stubs and insulators is required.
2) Safety precautions must be followed during installation, including using adequate mast support and grounding, as high voltages can be present.
3) Detailed step-by-step instructions are provided to assemble the center radiator, stub base brackets, stub insulators, and individual stubs. Measurements and part identification numbers are included to ensure correct assembly.
The LB1-UM06E-1 is a metal cabinet loudspeaker suitable for voice alarm systems. It has a robust metal enclosure, surface or recessed mounting, and optional line/speaker supervision boards. Key features include a 6W power rating, 180 degree dispersion at 1kHz, IP32 rating, and compliance with EN 54-24 for voice alarm systems.
This service manual provides instructions and safety precautions for servicing a color television. It includes specifications for the TV models, a circuit block diagram, instructions for adjustment modes, and troubleshooting guides. The document outlines proper installation procedures and contains sections describing integrated circuits and other electronic components used in the TV.
The document is an instruction manual for a communications receiver. It provides instructions on:
1) Installing batteries and charging the battery;
2) Understanding the front panel controls and connectors including antenna connection, volume controls, squelch control, and DC power input;
3) Selecting operating modes and frequencies using the dials and keys.
This document evaluates cable parameters for variable frequency drive (VFD) applications. It examines different cable types, including PVC-nylon cables which are commonly used but can be misapplied for VFDs. The document tests cables designed for VFDs, such as XLPE insulated cables with foil/braid shielding. It finds these cables help match the impedance of the motor better, lowering peak voltages and reducing insulation stress to increase motor and cable life. Cables with higher impedance resulted in lower peak voltages at the motor terminals. The document provides guidelines for selecting properly designed cables to optimize VFD system performance and reliability.
The document provides specifications for two metal column loudspeakers: the LA1-UM20E-1 and LA1-UM40E-1. Some key details:
1) The loudspeakers are designed for both indoor and outdoor use with an IP65 weatherproof rating.
2) They have a robust aluminum enclosure and can be wall mounted or floor standing.
3) Each model has multiple power tapping options and coverage patterns are provided through technical specifications and polar diagrams.
Manual 868 mhz antenna with magnetic base and sma connector enocean - vitecDomotica daVinci
This document provides recommendations for external passive antennas and connectors that can be used with EnOcean products operating at 868MHz and 315MHz. It recommends several antenna options for different surfaces, such as a magnetic base antenna for mounting on metal surfaces. It also discusses using antenna extension cables to increase the cable length and recommended connectors for connecting antennas to receivers.
The document provides information on the LC1 Modular Ceiling Loudspeaker Range from Bosch. The range includes 5 loudspeakers with different power ratings, opening angles, and sound reproduction capabilities. All have the same grille size and mounting accessories for easy installation. They can be used for voice alarm systems and are EN 54-24 certified. Optional accessories include a metal fire dome, pilot-tone indicator board, and different mounting solutions.
The document describes the LB1-UMx0E Premium-sound Cabinet Loudspeaker Range. It has high-fidelity sound reproduction for music and speech. It has selectable 8 ohm, 70V and 100V inputs, and is housed in a compact yet robust aluminum enclosure. It comes with an adjustable wall-mounting bracket and has self-restoring overload protection.
The LB1-UM06E-1 is a metal cabinet loudspeaker suitable for voice alarm systems. It has a robust metal enclosure, surface or recessed mounting, and optional line/speaker supervision boards. Key features include a 6W power rating, 180 degree dispersion at 1kHz, IP32 rating, and compliance with EN 54-24 for voice alarm systems.
This service manual provides instructions and safety precautions for servicing a color television. It includes specifications for the TV models, a circuit block diagram, instructions for adjustment modes, and troubleshooting guides. The document outlines proper installation procedures and contains sections describing integrated circuits and other electronic components used in the TV.
The document is an instruction manual for a communications receiver. It provides instructions on:
1) Installing batteries and charging the battery;
2) Understanding the front panel controls and connectors including antenna connection, volume controls, squelch control, and DC power input;
3) Selecting operating modes and frequencies using the dials and keys.
This document evaluates cable parameters for variable frequency drive (VFD) applications. It examines different cable types, including PVC-nylon cables which are commonly used but can be misapplied for VFDs. The document tests cables designed for VFDs, such as XLPE insulated cables with foil/braid shielding. It finds these cables help match the impedance of the motor better, lowering peak voltages and reducing insulation stress to increase motor and cable life. Cables with higher impedance resulted in lower peak voltages at the motor terminals. The document provides guidelines for selecting properly designed cables to optimize VFD system performance and reliability.
The document provides specifications for two metal column loudspeakers: the LA1-UM20E-1 and LA1-UM40E-1. Some key details:
1) The loudspeakers are designed for both indoor and outdoor use with an IP65 weatherproof rating.
2) They have a robust aluminum enclosure and can be wall mounted or floor standing.
3) Each model has multiple power tapping options and coverage patterns are provided through technical specifications and polar diagrams.
Manual 868 mhz antenna with magnetic base and sma connector enocean - vitecDomotica daVinci
This document provides recommendations for external passive antennas and connectors that can be used with EnOcean products operating at 868MHz and 315MHz. It recommends several antenna options for different surfaces, such as a magnetic base antenna for mounting on metal surfaces. It also discusses using antenna extension cables to increase the cable length and recommended connectors for connecting antennas to receivers.
The document provides information on the LC1 Modular Ceiling Loudspeaker Range from Bosch. The range includes 5 loudspeakers with different power ratings, opening angles, and sound reproduction capabilities. All have the same grille size and mounting accessories for easy installation. They can be used for voice alarm systems and are EN 54-24 certified. Optional accessories include a metal fire dome, pilot-tone indicator board, and different mounting solutions.
The document describes the LB1-UMx0E Premium-sound Cabinet Loudspeaker Range. It has high-fidelity sound reproduction for music and speech. It has selectable 8 ohm, 70V and 100V inputs, and is housed in a compact yet robust aluminum enclosure. It comes with an adjustable wall-mounting bracket and has self-restoring overload protection.
The document describes three new V-Mount plates - P-V212, P-V257, and P-V284 - released by IDX to connect their ENDURA V-Mount batteries to a variety of smaller cameras. Each plate provides dual D-Tap power outputs, with one output supplying a regulated voltage and the other allowing unregulated throughput of up to 50W to power accessories. The plates also enable battery remaining displays in camera viewfinders and compatibility with IDX wireless audio and shoulder mount systems.
The document provides installation and operating instructions for the Yaesu ATAS-120 Active Tuning Antenna System. The ATAS-120 is a motorized mobile antenna that resonates without the need for expensive resonating whips. It mounts to standard mounts and connects to compatible Yaesu transceivers. The instructions cover installation, operation, and safety cautions such as ensuring a solid ground connection and not touching the radiating element while transmitting.
The document provides specifications for the Bosch LBC 3483/00 Horn Loudspeaker, including that it is a 35W circular horn loudspeaker measuring 490mm in diameter made of aluminum, with a high efficiency driver and excellent speech reproduction. It is water and dust protected to IP65 and EN 54-24 certified for use in voice alarm systems. The loudspeaker has overcurrent protection to maintain system integrity in case of fire.
This document provides specifications for a diesel generating set model SP2200 powered by a Perkins engine. It can generate 2000 kVA of prime power or 2200 kVA of standby power. The generator is powered by a 4-cycle, 16-cylinder Perkins 4016TAG2A turbocharged engine. The control panel is a ComAp AMF20 which provides automatic mains failure protection and remote monitoring capabilities. Standard features include a steel base frame, soundproof and weatherproof enclosure options, and voltage regulation maintained within ±0.5% under all load conditions.
This instruction manual provides details on the operation of the Icom IC-R5 Communications Receiver. The 3-page quick start guide outlines basic steps for preparation, receiving a signal, memory programming, and programmed scan operation. The full manual then describes the receiver controls and functions, memory channels, scanning features, tone squelch and other settings in detail across multiple sections.
This document provides instructions and safety precautions for servicing Denon AVR receivers. It includes dimensions, wire arrangements, cautions for initialization, recommended test jigs, and a test mode for displaying error and version information. Servicing technicians should follow all safety procedures, only use designated parts, and ensure proper reassembly to maintain safety performance.
The document summarizes two omnidirectional antenna models for 5 GHz wireless applications. The 029401 model provides 6dBi gain and the 029402 provides 9dBi gain. Both are designed to withstand harsh environments. They include mounting hardware and terminate with N connectors. Key specifications include frequency range, gain, bandwidth, power handling, beamwidth, size, and weight. Mounting options include poles, ceilings, or surfaces.
This document provides information on ATEX/IECEx certified PowerPlex panelboards for use in hazardous locations. Key details include:
- The panelboards are rated for Zone 1 and 2 hazardous areas and certified to ATEX and IECEx standards.
- They feature individual breaker housings to allow for easy servicing without downtime, and fiberglass reinforced polyester enclosures.
- The catalog number guide provides steps for selecting panel configuration including main breaker size, number of branch circuits, breaker ratings and options.
- Standard panel arrangements accommodate 1 to 72 branch circuits in various configurations depending on breaker pole size.
This document provides specifications for a diesel generating set model SP750 powered by a Perkins engine. It can provide 681 kVA of prime power or 750 kVA of standby power. The generator set consists of a Perkins 2806C-E18TAG3 diesel engine coupled to a Leroy Somer or Stamford alternator. It has a control panel that provides automatic mains failure protection and monitoring capabilities. Standard features include a steel base frame, soundproofing, voltage regulation, and circuit protection.
This document provides specifications for a diesel generating set model SP550 powered by a Perkins engine. It has a prime power rating of 500 kVA and standby power rating of 550 kVA. The generator set consists of a 4-cycle, 6-cylinder turbocharged diesel engine coupled to a brushless alternator. It also includes a control panel, standard protective devices, and is available in an open or soundproof enclosure version.
This document describes intelligent addressable reflective beam detectors that can detect smoke or fire across large open areas. The MAB50R has a range of up to 50 meters, while the MAB100R has a range of 50-100 meters. Both connect to the fire alarm control panel via a loop circuit and do not require a separate power supply. They have three operating modes for alignment and detection. Optional mounting brackets are available to facilitate installation.
There are four main methods used for changing attitudes in performance interventions: exposure effect, reinforcement, changing viewpoints, and persuasive communication. The exposure effect uses repeated positive experiences to form attitudes. Reinforcement uses classical and operant conditioning to reward desirable behaviors. Changing viewpoints discusses connecting thoughts and feelings to develop new perspectives. Persuasive communication draws on advertising techniques to influence attitudes through credible sources, effective messages, and understanding the audience.
Kom igång med öppna data - Webbdagarna Offentlig sektor 27 november 2014Pernilla Näsfors Östmar
Den svenska offentlighetsprincipen är redan långtgående, men hur kan er organisation gå ett steg längre i att tillgängliggöra den information era målgrupper söker med hjälp av öppna data? API, PSI, CSV, DCAT-AP etc… Öppna data kan verka krångligt, men hur kan ni enkelt komma igång? Vilken sorts data vill era målgrupper ha och hur kan ni leverera det på bästa sätt?
Pernilla Näsfors är specialist inom öppna data på Sida och Världsbanken, via sitt företag Openhearted AB. Utifrån sina erfarenheter av att hjälpa myndigheter runtom i världen med att öppna upp data om bistånd och utveckling gav hon under Webbdagarna Offentlig sektor den 27 november 2014 en introduktion till öppna data och gick igenom vad som är viktigt att tänka på när information öppnas upp för allmänheten gällande förankring, hållbarhet, tillgänglighet, standarder, integritet och så vidare.
Videoinspelning av presentationen finns på https://www.sitevision.se/blogg/2014-12-02-video-fem-punkter-for-att-komma-igang-med-oppna-data.html
Anteckningar innehållande länkar i presentationen mm finns på http://bit.ly/komoppnadata
Videojogos e Web 2.0: desafios para a formação dos bibliotecários (programa e...Realidades Virtuais
O documento discute os desafios que a Web 2.0 e os videogames trazem para a formação dos bibliotecários, incluindo a necessidade de acompanhar as evoluções tecnológicas e entender como os usuários aprendem e usam a informação. O documento anuncia uma conferência sobre este tema com especialistas de vários países da Europa.
The document discusses time management, including defining it as planning, allocating, setting goals, organizing, scheduling, and prioritizing tasks and projects. It identifies common time wasters like phone interruptions, meetings, and clutter. Effective time management techniques include consolidating tasks, tackling important tasks first, getting control of paperwork, and taking time to plan. The relationship between stress and effective use of time is also discussed.
The document describes three new V-Mount plates - P-V212, P-V257, and P-V284 - released by IDX to connect their ENDURA V-Mount batteries to a variety of smaller cameras. Each plate provides dual D-Tap power outputs, with one output supplying a regulated voltage and the other allowing unregulated throughput of up to 50W to power accessories. The plates also enable battery remaining displays in camera viewfinders and compatibility with IDX wireless audio and shoulder mount systems.
The document provides installation and operating instructions for the Yaesu ATAS-120 Active Tuning Antenna System. The ATAS-120 is a motorized mobile antenna that resonates without the need for expensive resonating whips. It mounts to standard mounts and connects to compatible Yaesu transceivers. The instructions cover installation, operation, and safety cautions such as ensuring a solid ground connection and not touching the radiating element while transmitting.
The document provides specifications for the Bosch LBC 3483/00 Horn Loudspeaker, including that it is a 35W circular horn loudspeaker measuring 490mm in diameter made of aluminum, with a high efficiency driver and excellent speech reproduction. It is water and dust protected to IP65 and EN 54-24 certified for use in voice alarm systems. The loudspeaker has overcurrent protection to maintain system integrity in case of fire.
This document provides specifications for a diesel generating set model SP2200 powered by a Perkins engine. It can generate 2000 kVA of prime power or 2200 kVA of standby power. The generator is powered by a 4-cycle, 16-cylinder Perkins 4016TAG2A turbocharged engine. The control panel is a ComAp AMF20 which provides automatic mains failure protection and remote monitoring capabilities. Standard features include a steel base frame, soundproof and weatherproof enclosure options, and voltage regulation maintained within ±0.5% under all load conditions.
This instruction manual provides details on the operation of the Icom IC-R5 Communications Receiver. The 3-page quick start guide outlines basic steps for preparation, receiving a signal, memory programming, and programmed scan operation. The full manual then describes the receiver controls and functions, memory channels, scanning features, tone squelch and other settings in detail across multiple sections.
This document provides instructions and safety precautions for servicing Denon AVR receivers. It includes dimensions, wire arrangements, cautions for initialization, recommended test jigs, and a test mode for displaying error and version information. Servicing technicians should follow all safety procedures, only use designated parts, and ensure proper reassembly to maintain safety performance.
The document summarizes two omnidirectional antenna models for 5 GHz wireless applications. The 029401 model provides 6dBi gain and the 029402 provides 9dBi gain. Both are designed to withstand harsh environments. They include mounting hardware and terminate with N connectors. Key specifications include frequency range, gain, bandwidth, power handling, beamwidth, size, and weight. Mounting options include poles, ceilings, or surfaces.
This document provides information on ATEX/IECEx certified PowerPlex panelboards for use in hazardous locations. Key details include:
- The panelboards are rated for Zone 1 and 2 hazardous areas and certified to ATEX and IECEx standards.
- They feature individual breaker housings to allow for easy servicing without downtime, and fiberglass reinforced polyester enclosures.
- The catalog number guide provides steps for selecting panel configuration including main breaker size, number of branch circuits, breaker ratings and options.
- Standard panel arrangements accommodate 1 to 72 branch circuits in various configurations depending on breaker pole size.
This document provides specifications for a diesel generating set model SP750 powered by a Perkins engine. It can provide 681 kVA of prime power or 750 kVA of standby power. The generator set consists of a Perkins 2806C-E18TAG3 diesel engine coupled to a Leroy Somer or Stamford alternator. It has a control panel that provides automatic mains failure protection and monitoring capabilities. Standard features include a steel base frame, soundproofing, voltage regulation, and circuit protection.
This document provides specifications for a diesel generating set model SP550 powered by a Perkins engine. It has a prime power rating of 500 kVA and standby power rating of 550 kVA. The generator set consists of a 4-cycle, 6-cylinder turbocharged diesel engine coupled to a brushless alternator. It also includes a control panel, standard protective devices, and is available in an open or soundproof enclosure version.
This document describes intelligent addressable reflective beam detectors that can detect smoke or fire across large open areas. The MAB50R has a range of up to 50 meters, while the MAB100R has a range of 50-100 meters. Both connect to the fire alarm control panel via a loop circuit and do not require a separate power supply. They have three operating modes for alignment and detection. Optional mounting brackets are available to facilitate installation.
There are four main methods used for changing attitudes in performance interventions: exposure effect, reinforcement, changing viewpoints, and persuasive communication. The exposure effect uses repeated positive experiences to form attitudes. Reinforcement uses classical and operant conditioning to reward desirable behaviors. Changing viewpoints discusses connecting thoughts and feelings to develop new perspectives. Persuasive communication draws on advertising techniques to influence attitudes through credible sources, effective messages, and understanding the audience.
Kom igång med öppna data - Webbdagarna Offentlig sektor 27 november 2014Pernilla Näsfors Östmar
Den svenska offentlighetsprincipen är redan långtgående, men hur kan er organisation gå ett steg längre i att tillgängliggöra den information era målgrupper söker med hjälp av öppna data? API, PSI, CSV, DCAT-AP etc… Öppna data kan verka krångligt, men hur kan ni enkelt komma igång? Vilken sorts data vill era målgrupper ha och hur kan ni leverera det på bästa sätt?
Pernilla Näsfors är specialist inom öppna data på Sida och Världsbanken, via sitt företag Openhearted AB. Utifrån sina erfarenheter av att hjälpa myndigheter runtom i världen med att öppna upp data om bistånd och utveckling gav hon under Webbdagarna Offentlig sektor den 27 november 2014 en introduktion till öppna data och gick igenom vad som är viktigt att tänka på när information öppnas upp för allmänheten gällande förankring, hållbarhet, tillgänglighet, standarder, integritet och så vidare.
Videoinspelning av presentationen finns på https://www.sitevision.se/blogg/2014-12-02-video-fem-punkter-for-att-komma-igang-med-oppna-data.html
Anteckningar innehållande länkar i presentationen mm finns på http://bit.ly/komoppnadata
Videojogos e Web 2.0: desafios para a formação dos bibliotecários (programa e...Realidades Virtuais
O documento discute os desafios que a Web 2.0 e os videogames trazem para a formação dos bibliotecários, incluindo a necessidade de acompanhar as evoluções tecnológicas e entender como os usuários aprendem e usam a informação. O documento anuncia uma conferência sobre este tema com especialistas de vários países da Europa.
The document discusses time management, including defining it as planning, allocating, setting goals, organizing, scheduling, and prioritizing tasks and projects. It identifies common time wasters like phone interruptions, meetings, and clutter. Effective time management techniques include consolidating tasks, tackling important tasks first, getting control of paperwork, and taking time to plan. The relationship between stress and effective use of time is also discussed.
This document discusses planning a site to portray oneself and shares pages with information and functionality allowing users to view it for themselves. Privacy is also briefly mentioned. The document encourages visiting the site and expresses gratitude.
The document discusses the benefits of exercise for mental health. Regular physical activity can help reduce anxiety and depression and improve mood and cognitive functioning. Exercise causes chemical changes in the brain that may help boost feelings of calmness, happiness and focus.
Holly Eller earned her B.A. in Psychology from Argosy University in 2010. She has had a lifelong interest in psychology and obtained her A.A. in Psychology from Butte College. During her education, she worked as a birthing assistant which allowed her to apply her psychological knowledge to childbirth. She is interested in pursuing a graduate degree in prenatal and prenatal psychology due to seeing a need in this area from her work with birthing mothers. Her goal is to counsel birthing mothers and their partners to help prepare them for childbirth. She feels grateful to Argosy University for providing her the opportunity to complete her education and pursue her dreams.
Hur kan fri programvara och öppen källkod förbättra livet för världens fattiga? Finns det digitala verktyg som kan användas för att stärka frihet och demokrati i utvecklingsländer, eller kan vi hjälpa till att skapa dem?
Det var några av de frågor som diskuterades på FOSS-Sthlm möte #5 där denna presentation hölls av Pernilla Näsfors den 24 februari 2011. Några exempel på lyckade projekt med öppen källkod presenterades som utgångspunkt för diskussionen.
Pernilla är webbkonsult i det egna företaget Openhearted där hon vill arbeta för att skapa en bättre värld med hjälp av öppen kommunikation och teknik. I presentationen delade hon bland annat med sig av sina erfarenheter från sitt examensarbete i Kenya då hon använde öppen källkod för att hjälpa landets bönder.
Open Standards and APIs for a Better World - Nordic APIs Stockholm 2014Pernilla Näsfors Östmar
The document discusses open standards and APIs for development. It summarizes the goals of the World Bank to end extreme poverty and promote shared prosperity. It then outlines the Open World Bank initiative which makes the Bank's data, research, knowledge, operations, and finances open through open data, knowledge sharing, and partnerships for openness. It also discusses the Open Aid Partnership and International Aid Transparency Initiative which aim to increase transparency around aid through open data standards and APIs. It encourages organizations to contribute to creating a better world by using and sharing open data and APIs.
The document discusses the benefits of exercise for mental health. Regular physical activity can help reduce anxiety and depression and improve mood and cognitive functioning. Exercise causes chemical changes in the brain that may help protect against mental illness and improve symptoms.
An as-built model of a timber frame house in Mendocino Co. California. This house is an example of a modular system designed by Paul Discoe of Joinery Structures in Oakland, CA. It incorporates traditional Japanese wood joinery and salvaged urban wood.
El documento habla sobre los beneficios de vivir en un planeta verde y limpio, y propone varias formas en que las personas pueden cambiar sus estilos de vida para ayudar al medio ambiente, como reciclar, reducir la contaminación al practicar deportes al aire libre, y enseñar a los niños a apreciar la naturaleza.
The AIR-ANT2524DB-R is a dual-band dipole antenna designed for use with Cisco Aironet 802.11n access points. It operates in the 2.4 GHz and 5 GHz bands with gains of 2 dBi and 4 dBi respectively. The antenna has an articulated base that can rotate 360 degrees and from 0 to 90 degrees at its joint. It is black in color and has an RP-TNC connector to connect to the dual-band antenna ports on supported Cisco access points.
Microwave antennas - Mikroaalto heijastin antennitAerial Oy
This document provides specifications for parabolic radio relay antennas manufactured by Aerial Oy. It includes details on antenna types, dimensions, materials used, environmental testing standards, electrical characteristics such as gain and beamwidth, and protective coatings. The antennas are designed to withstand harsh storage, transport, and in-use conditions according to ETS standards. Technical specifications for various antenna properties are provided in tables and appendices referenced in the document.
This document provides specifications for the AIR-ANT2535SDW-R omnidirectional antenna, which operates in the 2.4-5.9 GHz range. Key details include its white color, RP-TNC connector, 3.3 inch height, 1.7 oz weight, 50 ohm impedance, 3/5 dBi peak gains, and use with Cisco access points. Safety precautions are also provided for installing antennas near power lines.
This document provides guidance on installing and operating an HF mobile radio system in a vehicle. It discusses components of a mobile station including transceivers, antenna systems, and power sources. It emphasizes the importance of safety, including properly securing all equipment so it does not interfere with the driver's ability to operate the vehicle. It also provides tips on reducing noise and examples of different antenna types and mounting solutions.
Each antenna has a unique radiation pattern described by elevation and azimuth charts. Polarization of antennae can be linear or circular. Some wireless technologies use antenna diversity to choose the best antenna to receive and transmit to clients. Different types of antennae include omnidirectional, directional, and special designs. Connectors, attenuators, amplifiers, lightning arrestors and splitters are also discussed in relation to wireless antenna systems.
The document provides an overview of antenna options and considerations for TV stations moving to high band or low band VHF as part of the spectrum repacking process. It discusses omni-directional and directional antenna types for each band, including slotted pylons, batwing antennas, Lindenblad antennas, inverted vee antennas, and panel antennas. For high band VHF, it also covers topics like beam tilt, elliptical polarization, manufacturing lead times, and Micronetixx's online antenna design tool.
The AIR-ANT2524DW-R is a dual-band dipole antenna that operates at 2.4 GHz and 5 GHz frequencies. It provides a gain of 2 dBi at 2.4 GHz and 4 dBi at 5 GHz. The antenna is white and connects to Cisco Aironet access points via an RP-TNC connector to function with 802.11n Wi-Fi networks. It has an articulating base to adjust the angle and can be installed by hand tightening the connector to the access point's dual-band antenna port marked in orange.
Wilson Dual-Band In-Building Wireless Kit (841245)Ari Zoldan
This document provides installation instructions for a SOHO Wireless Dual-Band Cellular/PCS Amplifier. It includes:
1) An overview of the amplifier's components and recommended additional equipment including various antenna options.
2) Instructions on installing the outside antenna, inside antenna, and amplifier unit. The outside antenna should be mounted high with a minimum 24-inch separation from people. The inside antenna is installed where signal is needed with an 8-inch minimum separation.
3) Guidelines for powering up the amplifier, including ensuring at least 20 feet of separation between antennas and that all phones are turned off within 20 feet of the inside antenna. Lights on the amplifier unit indicate power and signal status
This document describes the design and construction of an active antenna called the AA-7 that can amplify radio signals from 3 to 3000 MHz. It contains two independent preamplifiers that can be selected using a switch. One preamplifier is optimized for HF signals using a MOSFET and the other is for VHF/UHF using an NPN transistor. The circuit board layout and assembly instructions are provided to allow homemade construction. The active antenna requires minimal external components and can be built on a small printed circuit board, making it compact and portable. It is powered by a single 9V battery and does not require an enclosure, though one can be added.
1) The document provides installation guidelines for connecting antenna systems for Indonesia's Sinar Mas, including installing filters, connecting AISG cables, and connecting antenna systems.
2) It describes how to install external filters on walls or poles and connect cables to the filters.
3) It also explains how to connect AISG cables between RRUs and antennas when they are within 20m or beyond 20m, including cascading multiple AISG units.
4) Finally, it provides diagrams and instructions for connecting different antenna configurations in TDD multi-mode, TDD single-mode, and FDD single-mode based on the distances between the RRUs and antennas.
Catalogoantenas rami para aeronaves nav comAxelIvaniec
Es un catalogo de antenas marca rami que muestra diferentes modelos para instalar en aeronaves de diferentes tipos, desde equipos de comunicacion a equipos de navegacions
This document describes an adjustable ground plane antenna designed for VHF base station use between 144-174 MHz. It has an aluminum mounting tube with a radiating element and radials for omnidirectional radiation. It can handle over 200 Watts of power and has a SWR below 1.5:1 across its adjustable frequency range. The antenna uses aluminum pipes and coaxial cable to construct the radiating element, radials, and feedline in a way that makes the assembly waterproof.
Tech Vidhya is the premier IT and Telecom training institute of India that is running its quality training courses since last decade and we deliver what we promise. Tech Vidhya is the leading training institute in telecom and IT sector that offers various Telecom, telecommunication, Networking and IT/Software courses in an efficient and friendly manner. We are having the highly qualified and experienced trainers for all the courses. The trainers are updated with the latest technologies and they are working on various live projects on India’s top telecom/IT companies.
This document provides information on motor rated operational powers and currents for various motor voltages. It includes tables listing the nominal current in amps for different standard motor powers, from 0.06 kW to 1000 kW, across common motor voltages ranging from 220V to 690V. A second table converts some of these values to horsepower ratings for motor voltages of 208V, 220-240V, 380-415V, 440-480V and 550-600V.
The document is a datasheet that summarizes several models of 2x2 MIMO base station sector antennas from Ubiquiti Networks. It describes the key features and specifications of the antennas including frequency range, gain, dimensions, weight, polarization, beamwidth, and electrical specifications. The antennas are designed to provide sector-wide coverage when used with Ubiquiti RocketM radios and utilize Ubiquiti's airMAX technology for carrier-class performance and scalability.
The document discusses LSC Bus Duct systems for electrical power distribution. It describes the various series of bus ducts including I-Series, 8-Series, F-Series and Y-Series. I-Series and 8-Series are insulated sandwich-type bus ducts for voltages up to 600V and currents from 600A to 6000A. They have options for different grounding methods. The document provides specifications, dimensions, installation methods and technical details for the different high power bus duct series.
An antenna is a transducer device that converts electric power to radio waves and vice versa. It is generally considered a passive element without external equipment. There are various types of antennas available for different purposes, but panel antennas are commonly used in telecommunications. Panel antennas are made up of multiple long array antennas connected together with separate ports. They are used for 2G, 3G, and 4G networks. The standard size for antenna ports is 7/8 female coaxial with a 50-ohm input impedance.
The OPRO Series antennas have K,Ka,Q,U,V,E,W,F,D band , OPRO Series antenna’s frequency range covers 22GHz-170GHz.The antenna offers 6.5 dBi nominal gain and 115 degrees typical half power beam width on the E-plane and 60 degrees typical half power beam width on the H-plane. The antenna supports linear polarized waveforms. The input of this antenna is a WR-06 ,WR-08,WR-10,WR-12,WR-15,WR-19,WR-22,WR-28,WR-34 waveguide with UG387/U-M flange.
https://drive.google.com/open?id=1dkij0sgZ2mFkozmPzPZa5b2JX8GxTKQF
https://rfecho.com
https://twitter.com/RFecho_official
https://www.linkedin.com/rfecho/
#Antenna #Ranges #Gain #Measurements #System #Setups #Feed #Horns #RFecho #Probe #Series
This document provides instructions for building a simple regenerative radio receiver with a single FET and low component count. The receiver can tune from 3.4 MHz to 8.5 MHz and uses a variable capacitor, coil, resistors, capacitors, FET, battery and regeneration control to receive AM radio broadcasts and SSB transmissions. Testing involves connecting an antenna, ground and audio output, tuning the variable capacitor while adjusting the regeneration control to achieve maximum sensitivity and selectivity at different frequencies across the band.
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12. Jupyter Notebooks with Code Examples
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Webinar Recording: https://www.panagenda.com/webinars/hcl-notes-und-domino-lizenzkostenreduzierung-in-der-welt-von-dlau/
DLAU und die Lizenzen nach dem CCB- und CCX-Modell sind für viele in der HCL-Community seit letztem Jahr ein heißes Thema. Als Notes- oder Domino-Kunde haben Sie vielleicht mit unerwartet hohen Benutzerzahlen und Lizenzgebühren zu kämpfen. Sie fragen sich vielleicht, wie diese neue Art der Lizenzierung funktioniert und welchen Nutzen sie Ihnen bringt. Vor allem wollen Sie sicherlich Ihr Budget einhalten und Kosten sparen, wo immer möglich. Das verstehen wir und wir möchten Ihnen dabei helfen!
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HCL Notes und Domino Lizenzkostenreduzierung in der Welt von DLAU
Hy gain-av-640
1. AV-640
8 Band Vertical Antenna
INSTRUCTION
& ASSEMBLY
MANUAL
WARNING:
You can be killed if the antenna,
feedline, or the equipment used to
install the antenna accidentally
contacts utility lines. Never install
an antenna near utility lines.
308 Industrial Park Road, Starkville, MS 39759
2. AV-640
Vertical Antenna
Table of Contents Instruction Manual
Topic Page
Introduction 3
Theory of Operation 3
AV-640 Specifications 4
Antenna Location 5
Antenna Mast 6
Antenna Grounding 6
Antenna Guying 6
Customer Supplied Components 6
Tools Required for Assembly 7
Safety Precautions 7
Verification of AV-640 Parts 8
Assembly Procedure 11
Installation Procedure 16
Tuning Procedure 17
Maintenance 18
Technical Assistance 18
Warranty 30
Table of Illustrations
Illustration Page
Chart A 19
Chart B 19
Figure A 20
Figure B 21
Figure C 22
Figure D 23
Figure E 24
Figure F 25
Figure G 26
Figure H 27
Figure I 28
Figure J 29
WARNING: Improper installation and assembly can be hazardous!
Read these instructions thoroughly before attempting to install or
operate this product. High power transmitting devices produce voltages
that can cause severe burns or other injuries.
3. Introduction
Hy-Gain is proud to deliver the AV-640 Eight Band Vertical. Drawing on our
many years of Amateur Radio HF and VHF antenna design experience, we have
produced a well-engineered antenna capable of maximum efficiency, unmatched
performance, and superior construction.
Computer optimization of the AV-640 design yields the most efficient 3/8
wavelength electrical design with maximum gain and low angle of radiation for
long distance communication. No traps are used to achieve eight band
performance. The AV-640 is resonant on 6, 10, 12, 15 and 17 meters with
individual 3/8 wavelength radiators. The center radiator resonates on 20, 30 and
40 meters using parallel end loaded Teflon wire coils. Capacity hats on these
bands give wide 2:1 VSWR bandwidth and the antenna is kept to a height of 26
feet by the low inductance coils. There are no "tricks" or "mystery resonances"
used for impedance matching on any band.
No long-wire radials or counterpoise kits are necessary for operation of the AV-
640. The AV-640 is self contained for simple, convenient portable or fixed
operation.
Mechanical construction of the AV-640 is designed for extreme light weight and
high wind survival. Aircraft grade 6063-T832 aluminum and high strength
fiberglass are used for the entire radiator. The trap-free design presents a very
low wind surface area. Bulky tubing is not required to support unwieldy traps.
The broad 2:1 VSWR bandwidth on all bands lessens large frequency shifts
seen in other antennas when the antenna is wet or iced.
The AV-640 is covered by our Hy-Gain Warranty and supported by our customer
service team. We would like to thank you for purchasing this product from us and
ask that you let us know of any suggestion you may have. With proper assembly,
installation, and maintenance, your AV-640 will provide years of faithful service.
Theory of Operation
The AV-640 HF Multiband Vertical antenna consists of an end fed radiator that is
resonant in the 6, 10, 12, 15, 17, 20, 30 and 40 meter amateur frequency bands.
Resonances on each band are the result of impedance matching a 3/8
wavelength element with a broadband RF transformer. The characteristic
impedance at the base of the 3/8 wavelength radiator is in the order of a few
hundred ohms.
To match this impedance two tools are employed. First a counterpoise of 72"
spokes is mounted at the AV-640 base. The capacitance from this ground plane
4. helps lower the base impedance. Second, a 4:1 toroidal transformer (voltage
balun) steps the base impedance down to 50 ohms. This transformer uses (2)
ferrite cores for high power capability. Also, the windings are made of twisted
pair wire to improve coupling and reduce loss. A second high power
transformer is configured as a 1:1 current balun to help stop RF from traveling
back on the feedline shield. The radiator of the AV-640 is at DC ground
potential for static drain. This is accomplished by a radio frequency choke in
The center radiator of the AV-640 supports 1/4 wavelength stubs for 6 , 10, 12
and 17 meters. The stubs are placed approximately one tenth of a wavelength
(electrically 1/8 wavelength) above the AV-640 base. At the top of each stub the
impedance is very high at the frequency the stub is tuned. This high impedance
stops, (chokes) RF at this point creating a resonant 3/8 wavelength radiator.
There is minimal loss using this method as compared to standard trap circuits.
Also, VSWR bandwidth is not restricted by the °Q" of trap components. On 15
meters, the center radiator is terminated with a capacity hat to form a 3/8
wavelength radiator. No stub or coil is used on 15 meters. For 20, 30 and 40
meters, a coil and capacity hat are used on each band to create a 3/8
wavelength radiator. The coils are mounted at the top of the center radiator.
These three coils are connected in parallel. Parallel connection separates each
band to allow individual band tuning and has less loss than does series
connection. Also, the AV-640 coils have significantly less loss than a standard
trap because the AV-640 capacity hats exhibit greater capacitance than a
typical trap, therefore, less inductance is required.
AV-640 Specifications
VSWR at Resonance: Less than 1.5:1 at antenna typical
Gain: 3 dBi nominal
Height: 25 ft 10 in
Weight: 22 lbs
Horizontal Radiation Angle: 360 degrees
Vertical Radiation Angle: 16 degrees at 1/4 wavelength high
Wind Surface Area: 2.5 sq ft
Wind Survival: 80 mph
5.
6. Antenna Mast
The recommended support mast for the AV-640 is steel water pipe between the sizes of 1-
1/4" OD to 2 1/2" OD and with a length that will place the antenna base at a safe height.
Do not use thin walled conduit, aluminum tubing, or "TV" mast. The AV-640 is designed
to operate at a height of 8 or more feet for proper performance. Placement on the side of a
house or garage at eaves level is acceptable as long as the counterpoise whips will not be in
contact any snow on the roof Placement above metal roofs is acceptable if the antenna
base is at least 5 feet or more above the metal surface.
Antenna Grounding
Although the AV-640 is designed to operate efficiently without the requirement of an earth
ground, SAFETY GROUNDING must still be provided to protect equipment, property
and persons from the hazards of lightning strikes and other weather related electrical
discharges. In addition the coaxial cable feeding the antenna should have the shield
grounded to eliminate the risk of any indoor equipment failure from allowing hazardous
voltages from appearing indoors and creating a shock hazard. The support mast should be
grounded with a large diameter ground wire.
The AV-640 is DC grounded for static discharge. This is accomplished with a choke coil
in the Matching Unit. This coil could fail under high voltage spikes from a near or direct
lightning strike.
Additional protection can be accomplished by grounding the shield of the coax where it
enters the building to a good earth ground or directly burying the cable in the earth for
several feet before it enters the building. The coaxial cable should be totally disconnected
from the station during threatening weather conditions for maximum lightning
protection.
Antenna Guying
For normal operation up to 80 mph winds, the AV-640 will not require guying. For
extreme locations such as tall building rooftops, a safety guy is recommended. Use
Dacron® rope to guy the center radiator. Attach ropes 14 feet above the antenna base.
Use care not to disturb the radiator stubs.
Customer Supplied Components
• Quality low-loss 50 ohm coax cable with PL-259 connectors
• VSWR Analyzer (MFJ-259B or equiv.) or HF transceiver with VSWR meter
• Mounting mast with required hardware to provide sturdy support
7. Tools Required For Assembly
• 1/4" Standard Blade Screwdriver • 7/16" Nut Driver
• #1 Phillips Screwdriver • 7/16" Open End Wrench
#2 Phillips Screwdriver • 10 nun Open End Wrench
3/8" Open End Wrench • Tape Measure 20'
3/8" Nut Driver • Safety Glasses
5/16" Nut Driver • Pliers
5/16" Open End Wrench
Safety Precautions
WARNING: You can be killed if the antennas, feedline, or the
equipment used to install the antenna accidentally contacts any utility
lines. Never install an antenna near power lines!
• Be careful while climbing and carrying the antenna. It is heavy
enough to cause you to lose your balance if it is handled too casually
or if any part of the antenna snags on a gutter, ladder, tree, or other
item.
• Mount the antenna high enough and in the clear so that it is out of
reach by any person or pet. Do not allow trees or other structures
near the radiator portion of the antenna. The counterpoise whips can
cause serious eye injury.
• Ensure that the mast is sturdy enough to support the weight of this
antenna including the windload of the antenna.
11. TASK I
Center Radiator Assembly
( ) Refer to Figure A to assemble the Center Radiator. Attach BA tubing section to either
end of the Base Insulator (IN) with (2) 1/4-20 x 2" bolts (S8) and (2) 1/4-20 nylock nuts
(N5). Do not tighten the nuts at this time.
( ) Find the (2) counterpoise rings (RI). Press the flat sides of the rings together and slide
them onto the Base Insulator (IN). Leave rings loose at this time.
( ) Attach the drilled end of tubing section BB to the Base Insulator (IN) with (2) 1/4-20
x 2" bolts (S8) and (2) 1/4-20 nylock nuts (NS). Do not tighten the nuts at this time.
( ) Place (1) hose clamp (HC 1) over the slotted end of tubing section BB. Slide unslotted
end of BC tubing section 6 inches (15 cm) into BB. Tighten hose clamp. NOTE: For
protection against oxidation, a conductive paste such as NoAlox® may be used between
telescoping pieces of aluminum tubing only. Do not apply the paste to insulators or coax
connections.
( ) Place (1) hose clamp (HC 1) over the slotted end of tubing section BC. Slide unslotted
end of BD tubing section 6 inches (15 cm) into BC. Tighten hose clamp.
( ) Place (1) hose clamp (HC 1) over the slotted end of tubing section BD. Insert AV-640
Coil Assembly (LI) 4 inches (10 cm) into tubing section BD. Tighten hose clamp.
( ) Place (1) hose clamp (HC2) over the slotted end of coil assembly AV-640L1. Slide an
end of tubing section BE into top of L1 coil assembly. Set length to desired L40 value
from Chart A (p 19).
( ) Place 5/8" plastic cap (C2) on end of tubing section BE
TASK II
Stub Base Bracket Assembly
( ) Refer to Figure B for Stub Base Bracket Assembly. Study Figures B and C to learn
how the stub base brackets are attached for each band. Note how the brackets are offset
90 degrees from each other for proper antenna assembly.
( ) Find the aluminum Stub Brackets (SB 1 & SB2). Attach a Radiator Bracket (RB) to
each Stub Bracket with (2) 6-32 x 3/8" screws (S I) and (2) 6-32 Keps nuts (N1) as shown
in Figure B.
( ) Find a Single Stub insulator (P3). Attach it to a Radiator Bracket (RB) with (2) 6-32 x
3/8" screws (S I) and (2) 6-32 Keps nuts (NI).
12. ( ) Mount each Stub Base Bracket to the AV-640 Radiator using a Radiator Bracket
(RB), (2) 6-32 x 1 1/2" screws (S3), and (2) 6-32 Keps nuts (N1). Place the Single Stub
insulator opposite the Single Stub Base Bracket shown in Figure C.
( ) NOTE the degrees offset for each bracket and the distance from the base insulator
(IN) in Figure C. Position the Stub Brackets ABOVE the Radiator Brackets.
TASK III
Stub Insulator Assembly
( ) Place the AV-640 Radiator on a flat surface such as a driveway or garage floor. This
will aid in mounting the Stub Insulators by keeping them aligned with each other.
( ) Refer to Figure D for Stub Insulator Assembly. There are three types of stub
insulators: Single, 90 Degree and 180 Degree. The 180 Degree insulators are used with a
Single Stub insulator to make a Three Stub insulator. The locations of the Single
insulators are labeled «A", 90 Degree insulators are labeled "B" and the Three Stub
insulators are labeled "C".
( ) Attach 90 Degree Stub Insulators (P1) to a Radiator Bracket (RB) using (2) 6-32 x
3/8" screws (S1) and (2) 6-32 Keps nuts (N1) as shown in Figure D.
( ) Attach Single Stub Insulators (P3) to a Radiator Bracket (RB) using (2) 6-32 x 3/8"
screws (S l) and (2) 6-32 Keps nuts (NI).
( ) For Three Stub Insulators, attach a Single Stub and a 180 Degree Stub Insulator (P3
& P2) to a Radiator Bracket (RB) using (2) 6-32 x 1/2" screws (S2) and (2) 6-32 Keps
nuts (N1).
( ) Mount the Stub Insulators on the AV-640 Radiator using a Radiator Bracket (RB), (2)
6-32 x 1 1/4" (S4) screws, and (2) 6-32 Keps nuts (N1). USE the dimensions in Figure E
to space and rotate the insulators into their proper locations. Position the Stub Insulators
ABOVE the Radiator Brackets.
TASK IV
Stub Assembly
( ) Refer to Figure F for the stub assembly procedure.
( ) TEN METER STUB: Notice on the 3/16" x 32" rod CD the ends are tapped at
different lengths. Thread an end of tubing section CE onto the I" tapped length end of
rod CD. Thread it on at least 3/4" (2 cm) and carefully tighten with pliers until it is
tight against rod CD. Do not compress the tubing where it is threaded onto the rod.
13. NOTE: A small amount of WD-40® or NoAlox® can be used on these threaded
connections to ease assembly. Do not use oil. WD-40 will evaporate over time and
NoAlox is a conductive paste.
NOTE: THIS CONNECTION WILL NOT LOOSEN OVER TIME AS THERE IS NO
TORQUE ON THE CONNECTION WHEN THE STUB ASSEMBLY IS MOUNTED
ON THE ANTENNA.
( ) TWELVE METER STUB: Notice on the 3/16" x 34" rod (CC), the ends are tapped at
different lengths. Thread an end of tubing section (CF) onto the 1" tapped length end of
rod (CC). Thread it on at least 3/4" (2 cm) and carefully tighten with pliers until it is tight
against rod CC. Do not compress the tubing where it is threaded onto the rod.
( ) Thread a stub splice (SS) into the end of tubing section CF at least 3/4" (2 cm) until it
is tight inside the tube.
( ) Thread an end of tubing section (CG) onto the stub splice (SS) until it reaches tubing
section CF. Carefully tighten tubing section (CG) against CF with pliers. Do not
compress the tubing where it is threaded onto the stub splice.
( ) SEVENTEEN METER STUB: Notice on the 3/16" x 19" rod (CA), the ends are
tapped at different lengths. Thread an end of tubing section CE onto the 1" tapped length
end of rod (CA). Thread it on at least 3/4" (2 cm) and carefully tighten with pliers until it
is tight against rod CA. Do not compress the tubing where it is threaded onto the rod.
( ) Thread a stub splice (SS) into the end of tubing section CE at least 3/4" (2 cm) until it
is tight inside the tube.
( ) Thread an end of another tubing section (CE) onto the stub splice (SS) until it reaches
tubing section CE. Carefully tighten tubing section CE against the previous tubing
section CE with pliers. Do not compress the tubing where it is threaded onto the stub
( ) SIX METER STUB: Installation of the six meter stub is optional. If six meter
operation is not desired do not attach the stub to the radiator. Leaving the stub off will not
effect operation of the other bands. The stub is a 3/16" x 57" rod (CH). It is a single
section stub and does not require assembly.
TASK V
Stub Mounting
( ) Refer to Figure G to install the stub assemblies on the AV-640 Radiator. The bottom
of each stub assembly can be slid into the corresponding top stub insulator and fed
through consecutive insulators until it reaches the corresponding stub bracket.
14. 6 Meter Stub
( ) If operation on 6 meters is desired, find the six meter stub (CH). Slide the threaded
end of the stub through the top of the stub insulator as shown in Figure G. Continue
through the second insulator until the stub meets the Stub Base Bracket.
( ) Mount the stub in the Stub Base Bracket hole using (2) 10-32 standard nuts (N2) and
a #10 Lockwasher (W l) as shown in Figure G.
( ) Set Length L6 according to the desired operating frequencies in Chart A (Page 19).
10 and 12 Meter Stubs
( ) Select the 10 meter stub assembly and slide the threaded end through top of the proper
stub insulator. Continue feeding the stub through the next three insulators.
( ) Attach the stub in the 10 meter Stub Base Bracket hole using (2) 10-32 standard nuts
(N2) and a #10 Lockwasher (Wl) as shown in Figure G.
( ) Set 10 meter stub length L10 according to the desired operating frequency in Chart A
(Page 19).
( ) Select the 12 meter stub assembly and slide the threaded end through top of the proper
90 degree stub insulator. Continue feeding the stub through the next three insulators.
( ) Attach the stub in the 12 meter Stub Base Bracket hole using (2) 10-32 standard nuts
(N2) and a #10 Lockwasher (W l) as shown in Figure G.
( ) Set 12 meter stub length L12 according to the desired operating frequency in Chart A.
17 Meter Stub
( ) Select the 17 meter stub assembly and slide the threaded end throughtop of the proper
90 degree stub insulator. Continue feeding the stub through the next five insulators.
( ) Attach the stub in the 17 meter Stub Base Bracket hole using (2) 10-32 standard nuts
(N2) and a #10 Lock-washer (W l) as shown in Figure G.
( ) Set 17 meter stub length L17 according to the desired operating frequency in Chart A.
( ) Place a 1/4" plastic cap (C1) on the open end of tubing sections for each stub assembly
(Figure G).
15. TASK VI
Matching Unit Mounting
( ) Refer to Figure G for the mounting location of the Matching Unit (MU). Use the
lower pair of bolts through the Base Insulator (IN) to mount the MU as shown in Figure
G. Remove the (2) 1/4-20 nuts (N5) from the (2) 1/4-20 x 2" bolts (S8) previously
installed.
( ) Place the Matching Unit on the bolts and secure in place with the (2) nuts. Be sure the
coax connector end of the Matching Unit faces the base (bottom) of the antenna.
( ) Using a 6-32 Keps nut (N1), connect one end of the jumper wire (JI) to the
counterpoise terminal of the Matching Unit. Do not over-tighten this nut. The other end of
the jumper wire is attached later.
TASK VII
Counterpoise Assembly
( ) Refer to Figure H to assemble the counterpoise.
( ) Loosely attach the counterpoise rings (RI) to the base insulator (IN) with (2) 6-32 x 1
3/4" screws (S5) and (2) 6-32 Keps nuts (NI).
( ) Loosely attach the counterpoise rings (RI) together with (8) 10-32 x 3/8" screws (S6)
and 10-32 nylock nuts (N3).
( ) Place the (7) 72 inch (183 cm) counterpoise whips (CW) into the slots provided in the
sides of the rings. The slot facing the Matching Unit (MU) does not receive a whip.
( ) Tighten the 10-32 nuts (N3) around the rings to secure the whips.
( ) Place the loose end of jumper wire (Jl) under the closest 6-32 screw (S5) that holds a
ring to the base insulator as shown in Figure H. Tighten the (2) 6-32 nuts (N l) that secure
the rings to the base insulator.
( ) Attach a warning label to the end of each whip as shown in Figure H.
TASK VIII
Antenna Mounting Plate Assembly
( ) Refer to Figure I for assembly of the Antenna Mounting Plate (AM).
( ) Place (4) 1/4-20 x 2 1/2" bolts (S9) through the Mast Plate (MP), Mast Saddle (MS),
and antenna mounting plate (AM) and secure with 1/4-20 nylock nuts (N5). Do not
tighten the nuts.
16. ( ) Place the antenna base under the Mast Saddles and align the end of the base with the
edge of the mounting plate as shown in Figure I.
( ) Tighten the (4) bolts to hold the antenna base in place. Do not over-tighten the nuts.
( ) Place the (2) U-bolt assemblies (UB) into the holes in the antenna mounting plate as
shown in Figure I. Leave nuts loose until installation of the antenna.
TASK IX
Capacity Hat Assembly
( ) Refer to Figure J for assembly of the four Capacity Hats.
( ) Rotate the AV640 Coil Assembly (Ll) so the top end of the 17 meter stub is away
from the AV640 Coil Strap as shown in Figure J. To rotate the coil assembly, loosen
the lower coil hose clamp (HC 1). Tighten hose clamp when finished.
( ) Place (8) 6-32 x 3/8" screws (S1) and (8) 6-32 Keps nuts (Ni) in each Counterpoise
Ring assembly on the AV-640 Coil Assembly (LI). Leave the nuts loose so that the
spokes can be slid between the rings.
( ) There are spokes of lengths 6", 12", 24",36" and 48". Place the spokes in the ring
assemblies as shown in Figure J. The shorter spokes will be on the bottom end of the
coil and the longer spokes will be on the upper end of the coil. The 40" spokes are
spares. Tighten all hardware on the ring assemblies. The formed ends of the spokes can
be positioned in any direction.
( ) NOTE: For tuning 15, 20 & 30 meters, the lengths of a spoke is adjusted as shown in
Figure J, (1,15, L20 & L30). Since the AV640 has a broad low VSWR, it is suggested the
AV640 spokes be installed at their initial lengths of 6", 12", 24" & 36". If any of the bands
(15, 20 & 30 meters) are resonant too low in frequency, one of the corresponding spokes
can be pruned. Only one spoke will require pruning. Please refer to the Tuning section on
Page 17 and Figure J for more information.
Installation
The AV-640 antenna should be mounted at least 8 feet above ground. The main reason for
this minimum height is safety. The AV-640 will work well at a minimum height of five
feet but precautions from dangerous voltages must be taken.
Always have help for the installation process. Do not attempt to install the antenna
alone. Review the requirements for Antenna Location and safety precautions regarding
Power Lines earlier in this manual.
1
17. The easiest method of installing the AV-640 is to first mount the Antenna Mounting
Plate (AM) on the support mast. Tighten the mounting plate U-Bolts. Have the Mast
Saddles and Mast Plates (MS & MP) loosely mounted on the mounting plate. Raise the
antenna and slide the antenna base under the Mast Saddles (MS) until the antenna base is
flush with the lower edge of the mast plate (Figure I). Tighten the antenna base in place.
The AV-640 may be roof mounted on a tripod or similar support. Keep the AV-640 base
a minimum of 5 feet above the roof surface. This minimum dimension is the same for
any roof material type. Attach a suitable ground wire to the support mast as mentioned
in the Grounding section of this manual.
Tuning
The AV-640 should be checked with an VSWR meter before permanent installation to
verify proper assembly and Matching Unit performance. Place the AV-640 at least 8 feet
above ground and in as clear an area as possible. Connect the coax to the antenna base and
test the VSWR using either an MFJ-259B VSWR Analyzer or equivalent or a transceiver
and VSWR meter.
The 2:1 VSWR Bandwidth should be referenced to determine performance. VSWR
measurements made at the antenna base are the most accurate and may show a
slightly narrower VSWR bandwidth than the specifications chart lists. Be sure to use
very low power (less than 5 watts) when measuring VSWR at the antenna base.
The AV-640 has few variables in its design. Therefore, VSWR should be very close
to specifications. Each band can be adjusted individually. Refer to Chart A (Page 19)
for antenna dimensions and use Chart B (Page 19) to calculate the amount of
adjustment needed to place the AV-640 on frequency.
To adjust the 40 meter band, refer to Figure A and vary the length of L40. To raise the
resonant frequency, shorten the length of L40. Use Chart B (Page 19) to, calculate the
amount of adjustment needed to place the AV-640 on frequency.
Individual adjustment of 15, 20 & 30 meters is accomplished by pruning one spoke in the
corresponding capacity hat. Only one spoke is adjusted and it does not matter which
spoke is selected. Refer to Chart B to calculate the amount of spoke to prune and Figure J
for spoke location. (It is unlikely 15 meters will require adjustment). Also, it is strongly
suggested the AV640 be assembled and tested with the spokes at the initial lengths of 6",
12", 24" & 36" to determine if any pruning is actually required. If the resonant frequency
is too high, make a longer spoke from one of the 40" spare spokes.
Stub lengths can be adjusted for tuning the 6, 10, 12 & 17 meter bands. Chart A has the
length dimensions, Chart B shows the amount of length to change, and Figure G displays
the stub tuning locations.
1
18. If the VSWR is less than 1.5:1 at the frequencies you operate, do not spend extra time
trying to improve the VSWR. Any improvements beyond 1.5:1 yield minimal gains in
antenna performance and cause excess wear on the antenna, roof or mast. Please note the
length of coax will vary the VSWR on certain bands. Lengths less than 50 feet have
stronger harmonic resonances than longer lengths. If a particular band will not properly
resonate, try adding 3-5 feet or more of coax. Record the resonant frequencies with and
without the added coax. There will be a change in resonant frequencies on one or more
bands. RF loss at HF is not a major problem with RG8X or larger coax. There will be a
minimal performance difference between a 50 ft. length and a 75 ft. length of coax.
To lessen the possibility of RFI/TVI, roll up 6-8 turns of coax 8" inches diameter
approximately one quarter wave (or multiple) from the base of the antenna. Use the
quarter wave length of the frequency that causes the greatest amount of
Maintenance
The AV-640 should be inspected mechanically at least once a year. Normal wear and tear
varies significantly with climate.
Anti-Oxidation paste such as NoAIOX® or others can be applied to the radiator tubing
sections. Use small amounts. Do not place the paste on the coax connector or inside of the
Matching Unit.
Inspect the inside of the Matching Unit on a regular basis. Remove dirt, bugs, or
questionable material. Look for any degradation of parts. High voltage static
discharges (lightning) may cause a failure to the small coil in the Matching Unit. This
coil is a protection device. Make sure it is in good shape.
Do not screw and unscrew the nylon insert nuts several times. If portable operation
is desired, use stainless steel hardware without the nylon locking feature.
The AV-640 may be painted. Clean all aluminum surfaces well to improve paint
adherence. Paint the antenna after it is assembled and tuned. DO NOT PAINT
PLASTIC PARTS.
Technical Assistance
Technical assistance is available during normal business hours on weekdays. Hy-Gain
is located in the Central Time Zone. Our hours are 7:00 AM till 4:00 PM CST Monday
through Friday.
Hy-Gain can be reached by telephone, FAX, email and regular mail at the
following addresses:
18
19. Hy-Gain Telephone (662) 323-9538
308 Industrial Park Road FAX (662) 323-5803
Starkville, MS 39759 email "hy-gain@hy-gain. com"
Telephone (800) 973-6572 Web Page "http://www.hygain.com
Service history has shown that most problems are operating or installation errors, rather than
equipment failures. Most problems can be resolved over the telephone. Please contact our
staff before shipping parts or equipment to us.
The packing material used to ship this antenna is designed to prevent shipping damage.
Please reuse the original shipping carton if possible. Hy-Gain will not be responsible for
shipping damage on returned items with improper packing.
Band Portion L40 L30 L20 L17 L15 L12 L10
See Figure A J J G J G G
CW 28” 23 ½” 11 ½” 161” 5 ½” 116” 102 ½”
CENTER 21” 23 ½” 10” 161” 5” 116” 101”
SSB 18” N/A 9” 160 ¾” 4” 116” 99 ½”
Band Portion L6
See Figure G
50-52 MHz 55 ½”
52-54 MHz 54 ¼”
Band Length Adjustment
40 Meters 17 KHz per inch
30 Meters 50 KHz per inch
20 Meters 100 KHz per inch
17 Meters 60 KHz per ½ inch
15 Meters 100 KHz per inch
12 Meters 150 KHz per ½ inch
10 Meters 100 KHz per ½ inch
6 Meters 300 KHz per ½ inch
28. M
U
FIGURE I
AV-640 Antenna Mounting Plate Assembly
29.
30. hy gain® 24-MONTH LIMITED
hy-gain Warrants to the original owner of this product, if manufactured by hy-gain and purchased from
an authorized dealer or directly from by-gain to be free from defects in material and workmanship for a
period of 24 months from date of purchase provided the following terms of this warranty are satisfied.
l. The purchaser must retain the dated proof-of-purchase (bill of sale, canceled check, credit card
or money order receipt, etc.) describing the product to establish the validity of the warranty
claim and submit the original or machine reproduction of such proof-of-purchase to by-gain at
the time of
warranty service. by-gain shall have the discretion to deny warranty without dated proof-of-
purchase. Any evidence of alteration, erasure, or forgery shall be cause to void any and all warranty
terms immediately.
2. hy gain agrees to repair or replace at hy-gain's option without charge to the original owner any
defective product under warranty, provided the product is returned postage prepaid to hy-gain with
a personal check, cashiers check, or money order for $8.00 covering postage and handling.
3. Under no circumstances is by-gain liable for consequential damages to person or property by the
use of any hy-gain products.
4. Out-of-warranty Service: by-gain will repair any out-of-warranty product provided the unit is
shipped prepaid. All repaired units will be shipped COD to the owner. Repair charges will be
added to the COD fee unless other arrangements are made.
5. This warranty is given in lieu of any other warranty expressed or implied.
6. hy-gain reserves the right to make changes or improvements in design or manufacture without
incurring any obligation to install such changes upon any of the products previously
7. All by-gain products to be serviced in-warranty or out-of-warranty should be addressed
hy-gain, 308 Industrial Park Road, Starkville, Mississippi
39759, USA and must be accompanied by a letter describing the problem in detail along
with a copy of your dated proof-of-purchase.
8. This warranty gives you specific rights, and you may also have other rights which vary from state
to state