The document provides a review of the Deviser S7000, a new multi-standard digital TV signal analyzer. It has a large high-resolution display, supports standards like DVB-S/S2, DVB-C, DVB-T/T2/H, ATSC and DTMB. The analyzer includes a real-time spectrum analysis feature and transport stream analyzer. It can also be remotely controlled via PC or mobile phone. The reviewer was impressed by its comprehensive set of measurement functions and easy to use interface. The S7000 is introduced as a high-end professional analyzer that sets a new standard for performance and features.
The document tests and evaluates two SCR multiswitch models from SPAUN - the SUS 5581/33 NF LEGACY and SUS 5581 F. It finds that both models distribute satellite and terrestrial signals to multiple receivers through a single coaxial cable with excellent signal quality and minimal loss. The SUS 5581/33 NF LEGACY can distribute signals to up to 16 receivers in either legacy or SCR modes. When used together, the SUS 5581 F can add an additional output distributing to 8 more receivers. Measurements found very high signal levels and quality across all outputs with negligible degradation from the original satellite source.
TELE-audiovision is the world's largest digital TV trade magazine established in 1981. This issue introduces an HDTV receiver based on the Xbox operating system that won an innovation award. It discusses the short lifespan of software and hardware technologies and questions whether Android or Xbox systems will become standard in receivers. Flexible software development and intuitive user interfaces are important regardless of the operating system. The magazine is published in multiple languages and has a global readership in the digital TV industry.
This document summarizes high-frequency filters produced by MFC for applications in the C band. It discusses how MFC produces specialized filters to prevent interference, particularly from WiMAX signals. It provides examples of new high-frequency filters MFC has developed for the C band, including filters that eliminate WiMAX and radar interference to ensure uninterrupted C band reception.
The document provides a test report of the Icecrypt S3700CHD triple tuner PVR HDTV receiver. It has an elegant front panel with a VFD display and smartcard readers. The back panel features three tuner inputs, HDMI, and network interfaces. It has a quick and responsive interface thanks to its powerful CPU and memory. It supports various satellite settings and protocols. Channel search results in over 1500 TV channels found on HOTBIRD. Built-in multimedia features include YouTube, radio, and a web browser. The receiver provides a user-friendly experience with its three-row channel list, EPG integration, and on-screen manual.
GlobalInvacom's FibreIRS fiber optic system is celebrating its fifth anniversary, with over two million households now connected to satellite signals through the system. The FibreIRS system was first introduced in 2008 and has since been improved and expanded, allowing for more connections and integration of terrestrial signals. It has seen continued success and growth, especially in Northern Europe, MENA, and Southeast Asia. GlobalInvacom is actively developing new products to further improve and expand the capabilities of the FibreIRS system.
1. The document describes how to set up a simple home IPTV network using a Raspberry Pi as the receiver and TSReader Pro software on a PC to stream TV channels over the network.
2. Key components needed include a Raspberry Pi board, SD card, power supply, keyboard/mouse, and MPEG2 license key. XBMC media software is loaded onto the Raspberry Pi to display streamed IPTV channels.
3. TSReader Pro runs on the PC and uses its demuxing function to separate channels from the transport stream and stream each individually over the network. This allows multiple channels to be viewed on the Raspberry Pi using XBMC without being limited to just one channel.
The document discusses proposed extensions to the DVB-S2 satellite communication standard to enable higher data rates. Some of the key extensions discussed are:
1) Reducing roll-off factors and side lobes of digitally modulated carriers to allow transponders to be positioned closer together;
2) Using wider bandwidth transponders that are 3 times wider than typical transponders to improve spectral efficiency;
3) Adding a new 64 APSK modulation scheme to transmit more data in the same bandwidth.
4) Providing more modulation and coding schemes and forward error correction options to optimize the balance between useful and error correcting payload.
ELNET is a digital TV wholesaler and retailer located in Iceland. It offers a wide range of digital TV products from small DVB meters to large DVB transmitters out of its 600 square meter premises. ELNET believes in both terrestrial and satellite DVB reception and expects fiber optic products to increase in popularity. Asmundur Einarsson has owned and managed ELNET since 2000. The company supplies around half of Iceland's digital TV transmitters and sells 200-300 satellite dishes annually, with 85cm and 1m dishes being most popular. ELNET added fiber optic systems in 2011 and expects their contribution to grow in the next few years.
The document is a test report that evaluates the Deviser TV Analyser S7000 signal analyzer. It summarizes the results of testing the analyzer's measurement precision against five reference analyzers. The S7000's values were very similar to the references. The report also describes exercises using the S7000 to fine-tune a motorized antenna and troubleshoot interference in a home CATV distribution system. The S7000's real-time spectrum analysis and waterfall displays made these tasks much easier to complete. Replacing a defective splitter resolved the interference in the CATV system.
- Marcos Benni has established a new office in Jundiai, Brazil to expand his digital TV forum BSD which has 400,000 monthly readers.
- He is starting a new online video store called bsdshop.com.br to showcase and sell digital TV products like satellite dishes and receivers.
- Benni has set up a TV studio in his new office to produce product videos for the store, and he will also continue to operate his popular BSD Internet forum and launch an IP radio station.
The document provides a test report of the Amiko Mini HD DVB-S2 HDTV Receiver. The summary is:
1. The Amiko Mini HD is a compact satellite receiver measuring 15 x 11 x 3.5 cm and weighing 250g, making it small and lightweight.
2. It has all the features of larger receivers, including DVB-S2 compatibility, HDMI output up to 1080p, a USB port for PVR recording, and integrated WiFi for internet access.
3. The receiver performed well in tests, with the blind scan finding over 1500 channels in under six minutes and features like PVR recording, media playback, and an organized OSD interface working
1. The document tests and reviews the AB IPBox Prismcube Ruby, a new HDTV PVR satellite receiver with media center capabilities built around the Xbox Media Center operating system.
2. It has a modern, elegant design and is well-equipped with features like two satellite inputs, HDMI output, USB port, card reader, and support for a variety of video, audio and internet standards.
3. In testing, the receiver had strong reception, fast channel changing, recorded two channels simultaneously while timeshifting a third, and supported numerous multimedia functions through add-ons to the Xbox Media Center software.
The Handheld Satcom Test Source by WORK Microwave allows for precise and certified high-frequency measurements. It can generate signals from 50-180 MHz and 950-2150 MHz with adjustable power levels. It has two independent synthesizers, allowing it to output two signals simultaneously to measure intermodulation distortion. Its rechargeable battery and internal storage of test parameters make it portable and easy to use. The document demonstrates how the Test Source is used to measure parameters of RF converters and calibrate test equipment like the Deviser S7000 TV analyzer, confirming its ability to perform accurate high-frequency measurements.
This document is the September-October 2013 issue of TELE-audiovision, a trade magazine for the digital television industry. The main stories include product reviews of signal analyzers, receivers, and headend equipment from companies like Deviser, Horizon, DragonSat, and SPAUN. There are also articles on topics like self-made IPTV, ultra high definition television, and new digital technologies. Company profiles of ÖREIND, CHANGHONG, and SPEEDCAST are featured.
Speedcast is a large satellite TV uplink operator located in Barueri, Brazil. They operate seven uplink dishes of varying sizes to broadcast signals for major Brazilian TV channels. Speedcast was the first company to broadcast an HDTV signal in Brazil in 2008. They uplink signals to satellites and also operate a small studio to produce business TV programs for corporate clients. With 34 employees, Speedcast has become a leader in the Brazilian TV uplink field within just 10 years of operations.
Öreind is a small electronics repair and installation business located in Iceland that celebrated its 25th anniversary in 2013. It was founded by two partners who began by repairing home electronics and installing satellite and antenna systems. Öreind now generates about 40% of its revenue from satellite components, 10% from antennas, 20% from repairs, and 30% from IPTV equipment and supplies as it focuses on future growth in that area. After experiencing many successes and challenges over 25 years in business, Öreind remains focused on serving its customers by supplying equipment and components for satellite, terrestrial, and internet-based TV solutions.
1. The MKTech IS1-19HD is a hybrid satellite and terrestrial receiver that supports both DVB-S2 and ISDB-T formats, making it well-suited for the South American market.
2. It has a variety of connection options, easy to use menus, strong signal sensitivity, and fast channel changing. It also features a removable hard drive bay and built-in WiFi for networked functions.
3. While the receiver lacked an installation assistant and had some outdated satellite information, it performed well in testing and offered robust DVR functions, a clear user interface, and quick access to online content through its network features.
The document tests and reviews the Horizon HD-CM+ DVB-C signal meter. It finds that the meter has an easy to use interface, highly readable display, wide range of measurement functions, and provides accurate results. It includes accessories, has a capable rechargeable battery, and robust build quality suitable for professional installation work. The review concludes the HD-CM+ is an excellent signal meter for professional DVB-C installations.
Ultra high definition television (UHDTV) provides significantly higher resolution than standard HDTV. UHDTV resolution is 4K (3840 x 2160) or 8K (7680 x 4320), which is 4 and 16 times the resolution of 1080p HDTV respectively. UHDTV also provides wider color gamut, higher frame rates up to 120 frames per second for smoother 3D video, and more advanced audio capabilities. However, UHDTV requires much greater bandwidth for transmission and new equipment that is not yet widely available. While the benefits of UHDTV are clear, widespread adoption will depend on addressing technological and infrastructure challenges.
This document discusses IPTV networks and protocols. It explains that UDP is better suited than TCP for live video and audio transmission due to TCP's need for packet acknowledgement. Multicast transmission sends one stream to multiple receivers without using additional bandwidth, while Unicast sends individually to each receiver. A 1000Mb network is recommended for reliable use with IPTV to avoid bottlenecks. Network monitoring software like Wireshark can analyze IPTV traffic and identify sources.
1. TEST REPORT LNB
Diamond lijn LNB’s van
GT-SAT International
Krachtige LNB’s
08-09/2008
GT-SAT INTERNATIONAL
DIAMOND LINE LNB’S
Hoog uitgangssignaal en lage vervorming
maken deze LNB”s ideale oplossingen
voor elke
Een paar jaar geleden, hielden we de verbeteringen in ruispres-
taties van LNB’s in de gaten. De oudere LNB’s die een ruisgetal
hadden van 0.8 dB of zelfs meer dan 1 dB zijn vervangen door
LNB’s waarvan het ruisgetal gespecificeerd wordt als 0.6, 0.3 of
zelfs 0.2 dB (standaard). Wanneer je regelmatig TELE-satelliet
leest, dan weet je dat de metingen niet altijd bewijzen dat appara-
ten die als 0.2 dB gekenmerkt zijn beter zijn dan 0.6 dB apparaten
voor elke frequentie of polarisatie. Onze recente tests lieten zien
dat er tamelijk weinig verschil is in de ruisprestaties van de huidige
kwaliteitsproducten. Dus hoe kan een fabrikant nog een verschil
maken en aan de klant een beter product leveren?
Een andere parameter die van een LNB die al een sterker
van tamelijk groot belang is signaal levert. En de Diamond TELE-satellite World www.TELE-satellite.com/...
Download this report in other languages from the Internet:
voor systemen met lange coax- lijn met hoge versterking van Arabic ﺍﻟﻌﺮﺑﻴﺔ www.TELE-satellite.com/TELE-satellite-0807/ara/gtsat.pdf
kabels is het uitgangsvermogen GT-SAT International biedt nou Indonesian Indonesia www.TELE-satellite.com/TELE-satellite-0807/bid/gtsat.pdf
Bulgarian Български www.TELE-satellite.com/TELE-satellite-0807/bul/gtsat.pdf
dat door de LNB geleverd wordt. net dat soort producten, die we Czech Česky www.TELE-satellite.com/TELE-satellite-0807/ces/gtsat.pdf
Aangezien een coaxkabel het op de markt aantroffen: enkele, German Deutsch www.TELE-satellite.com/TELE-satellite-0807/deu/gtsat.pdf
English English www.TELE-satellite.com/TELE-satellite-0807/eng/gtsat.pdf
signaal verzwakt, moeten we twin, quad en quattro LNB’s (GT- Spanish Español www.TELE-satellite.com/TELE-satellite-0807/esp/gtsat.pdf
wanneer we wanneer we een LST40D, GT-T40D, GT-QD40D Farsi ﻓﺎﺭﺳﻲ www.TELE-satellite.com/TELE-satellite-0807/far/gtsat.pdf
French Français www.TELE-satellite.com/TELE-satellite-0807/fra/gtsat.pdf
ontvanger moeten voeden die en GT-Q740D). Deze produc- Greek Ελληνικά www.TELE-satellite.com/TELE-satellite-0807/hel/gtsat.pdf
ver weg van een LNB staat een ten hebben een hoge conver- Croatian Hrvatski www.TELE-satellite.com/TELE-satellite-0807/hrv/gtsat.pdf
Italian Italiano www.TELE-satellite.com/TELE-satellite-0807/ita/gtsat.pdf
versterker toevoegen aan de sieversterking, dus wanneer Hungarian Magyar www.TELE-satellite.com/TELE-satellite-0807/mag/gtsat.pdf
uitgang van de LNB. Dergelijke ze vergeleken worden met een Mandarin 中文 www.TELE-satellite.com/TELE-satellite-0807/man/gtsat.pdf
Dutch Nederlands www.TELE-satellite.com/TELE-satellite-0807/ned/gtsat.pdf
versterkers betekenen extra gewone LNB dan zouden ze een Polish Polski www.TELE-satellite.com/TELE-satellite-0807/pol/gtsat.pdf
Portuguese Português www.TELE-satellite.com/TELE-satellite-0807/por/gtsat.pdf
kosten. Ook kunnen ze de ruis- zichtbaar sterker signaal aan de Romanian Românesc www.TELE-satellite.com/TELE-satellite-0807/rom/gtsat.pdf
prestaties van het systeem ver- uitgang moeten creëren. Russian Русский www.TELE-satellite.com/TELE-satellite-0807/rus/gtsat.pdf
Swedish Svenska www.TELE-satellite.com/TELE-satellite-0807/sve/gtsat.pdf
pesten. Om dit te controleren bouw- Turkish Türkçe www.TELE-satellite.com/TELE-satellite-0807/tur/gtsat.pdf
Het alternatief is het gebruik den we snel het meetsysteem:
Available online starting from 25 July 2008
48 TELE-satellite & Broadband — 08-09/2008 — www.TELE-satellite.com
2. Tabel 1. De gekozen transponders
als signaalbronnen
60cm schotel gericht op de
HOTBIRD op 13° Oost, 0,3dB
referentie LNB, satellietsignaal- Fig. 1. Uitgangen van de enkele en twin LNB’s van GT-SATvergeleken met de referentie LNB.
analyser, 10dB signaalverzwak-
ker, een stuk coaxkabel en een
paar 75 Ohm afsluiters (om de
niet aangesloten aansluitingen
van een quad en quattro LNB af
te sluiten). Wij kozen transpon-
ders die zich aan het begin, eind Reference
en in het midden van de lage en
hoge subband van de Ku-band Quad Out 1
bevonden. Zes transponders Quad Out 2
voor verticale en zes transpon-
Quad Out 3
ders voor horizontale polarisa-
tie – zie tabel 1. Quad Out 4
De grafieken in figuur 1 en Quattro
2 tonen de resultaten. De gele
balk vertegenwoordigt de refe-
rentie LNB. De specificaties
waren niet overdreven. Ieder-
een kan zien dat de hele familie
een veel sterker signaal levert
dan de gewone LNB, met 7 tot
12 dB. Hou er alsjeblieft erg
in dat een coaxkabel een ver-
Fig. 2. Uitgangen van de quad en quattro LNB’s van GT-SAT vergeleken met de referentie LNB.
zwakking van 20-30 dB per
100 meter oplevert. Op basis
van onze resultaten kunnen
we zeggen dat de Diamond lijn
LNB’s de verzwakking compen-
seren die ontstaan door gebruik
van 30-50 meter coaxkabel. Dat
zijn 10-15 verdiepingen van een
gebouw!
We wisten al voordat we
gingen meten dat deze LNB’s
een hoger uitgangsvermogen
zouden moeten hebben dan
normaal. Het was dus geen
grote verrassing. Maar er zijn
geen gratis lunches. Wanneer
je de ene parameter verbetert,
dan moet je meestal accepteren
dat iets anders verslechtert. In
dit geval waren we bang dat de
ruisprestaties geleden zouden
hebben. We maten de modu-
latie fout ratio (MER). Dit is de
bijzonder praktische methode Fig. 3. Ruisprestaties van de enkele en twin LNB’s van GT-SAT vergeleken met de referentie LNB.
om ruisprestaties te controleren
wanneer echte signalen zoals
transponders worden gebruikt.
In figuur 3 en 4 is te zien dat
onze angst nergens op geba-
Table 2. DC current consumption [mA]
50 TELE-satellite & Broadband — 08-09/2008 — www.TELE-satellite.com
3. beter waren dan onze referen-
tie. Wanneer we het quad model
Reference vergeleken in figuur 4, dan was
de conclusie dat hij iets slechter
Quad Out 1 was. De quattro LNB echter was
Quad Out 2 weer beter dan onze referentie.
Quad Out 3
In zijn algemeenheid geldt,
vergeleken met de huidige stan-
Quad Out 4 daard low noise LNB’s, dat de
Quattro Diamond lijn familie significant
beter is in uitgangsvermogen en
min of meer gelijk in ruispres-
taties.
Uiteindelijk maten we ook de
verbruikte stroom – zie tabel 2
– van de apparaten. Het enkele
model gebruikte minder dan
100 mA, de twin en quad model-
len minder dan 200 mA en de
Fig. 4. Ruisprestatie van de quad en quattro LNB’s van GT-SAT vergeleken met de referentie LNB.
quattro iets meer dan 200 mA.
seerd was. De enkele en twin Dat is iets meer dan de stan-
LNB’s bleken heel goed ver- daard LNB’s gebruiken, maar is
gelijkbaar te zijn met onze iets dat je kunt verwachten van
referentie. Alhoewel ze voor apparaten met een hoog uit-
sommige transponders iets gangsvermogen.
slechter waren, voor de andere Deze LNB’s zijn de perfecte
waren ze beter. Al met al denken keus voor gebieden met slechte
wij dat de GT-SAT Diamond lijn ontvangst en bezorgen je ruim
enkele en twin modellen zelfs voldoende slecht weer reserve.
De uitgangen zijn
zigzag geplaatst om
Mening van de Expert
het aansluiten te ver- +
eenvoudigen Verhoogd uitgangsvermogen stelt je in staat
de lengte van de coaxkabel te vergroten met 30-
60 meter of distributiesystemen in te bouwen
die veel verlies geven. Erg goede ruisprestaties
– gelijk aan wat de gebruikelijke goede apparaten
Jacek Pawlowski
hebben. De connectors zitten niet al te dicht bij TELE-satellite
elkaar. Weerbescherming van de F-connectors in Test Center
Poland
alle modellen. Grote klasse.
-
geen
t
TECHNIC
DATA
Manufacturer/Distributor GT Sat International s.a.r.l 16, Rue Millewee,
L-7257 Helmsange-Walferdange, Luxembourg
E-mail info@gt-sat.com
Telephone +352-26432203
Fax +352-26432204
Models GT-LST40D (single)
GT-T40D (twin)
GT-QD40D (quad)
GT-QT40D (quattro)
Description Universal Ku-Band LNBF’s for Offset Dishes
Noise Figure 0.2 dB (typical)
LOF 9.750 and 10.600 GHz
L.O. Frequency Stability +/-1 MHz (Max) @ Room Temp.
Conversion Gain 63 ~ 67 dB
Gain Flatness 26 MHz Bandwidth +/-0.5dB (Typ.)
Ingebouwd regenscherm dat Cross-Pol. Isolation 27 dB (Typ.)
een perfecte regenbescherming Image Rejection 45 dB (Min.)
biedt aan de F-connectors.
Operating Temperature Range -40°C ~ +65°C
www.TELE-satellite.com — 08-09/2008 — TELE-satellite & Broadband 51