Link Engineering Catalogue 2009
Upcoming SlideShare
Loading in...5

Link Engineering Catalogue 2009



Overview of Link Microtek Ltd. Engineering

Overview of Link Microtek Ltd. Engineering
Design and manufactured in the United Kingdom



Total Views
Views on SlideShare
Embed Views



2 Embeds 6 5 1



Upload Details

Uploaded via as Adobe PDF

Usage Rights

© All Rights Reserved

Report content

Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

  • Full Name Full Name Comment goes here.
    Are you sure you want to
    Your message goes here
Post Comment
Edit your comment

    Link Engineering Catalogue 2009 Link Engineering Catalogue 2009 Presentation Transcript

    • Engineering Division Short Form Products Catalogue Presentation 2009 Tel: +44 1256 355 771 Fax: +44 1256 355 118 Email:
    • A walk through the product catalogue
    • Adaptors / Adapters – Section 1 What we need to know:- Waveguide size – eg WR90 (WG16) 8.2-12.4 GHz Flange – eg UBR100 or UG-135/U for WR90 Coax connector – eg SMA, N, TNC, 3.5mm, K Power – peak, average / CW Frequency – full band, narrow Spec – VSWR Material / Finish Typical application – lab test Question – what does it connect to?
    • Adaptors – Rectangular WR75 low cost Satcom Ku-band N-type Adaptor Model: AM75A-N Ku RX 10.95-12.75GHz, TX 13.75-14.5GHz PBR120 flange with M4 tapped holes WR650 High Power Waveguide Adaptor to N-type Coax Machined from solid Model: AMR650A-N-HP Frequency:1.12 - 1.7 Power: 400 W CW VSWR: Full band 1.5:1 (14 dB RL) Optimised for 1.5 - 1.7 GHz 1.12:1 (25 dB RL). Flange: UDR14 Connector: N-type (f) Material: Aluminium Finish: Alochrom, painted satin black AM28A-K WR28 26.5-40.0GHz Low Power, K connector
    • Adaptors – Double Ridge AM750A-S WRD750 7.5-18GHz, SMA(f) AM650A-T WRD650 6.5-18GHz, TNC(f) AM750A-N(HP) WRD750, N(f) High Power AM650A-T(M)HP, 200W, TNC(m)
    • Adaptors – End Launch WRD650 End Launch Adaptor to SMA(f) WR62 End Launch Adaptor to SMA(f) Model: AM650A-S(EL) Model: AM62A-S(EL) Full freq range 6.5-18 GHz Plain Flange , alt tap & clear holes
    • Adaptors – Special / Custom Custom 45deg angled H & E plane adaptors Horn antenna adaptor for N-type input Long launch low frequency adaptor Custom double ridge adaptors WR975, 075-1.12 GHz For non 50 ohm Helix TWT output
    • Attenuators – Section 2 What we need to know:- Waveguide size Attenuation – fixed or variable Flanges or connectors Power Frequency Spec – VSWR, attn accuracy Cooling – forced air, convection Uni or bi-directional? Size / weight / outline Material / Finish Typical application – high power testing Question – what are the characteristics of the power? ie harmonic rich?
    • Power Attenuators WR90 High Power Attenuator – Short Directional Model: AM90J-10HP Frequency 8.0-10.0GHz, Mean Attn:: 10.0 +/-0.3dB WR62 High Power Short Attenuator with Coax Output Power handling: 400W mean Model: AM62J-20HP Attn variation with freq: +/-0.5dB Waveguide input, SMA (f) output, Freq: 13.50-14.50GHz Attn variation with temp: designed to meet +/-0.2dB Power: 200W av, VSWR: 1.2:1 max, Length: 150 mm VSWR: 1.3:1 max, Internal w/g air pressure: 15 psia Flanges: UBR140, Material: Aluminum Flanges (2pl): UBR 100 Finish: Alochrom, painted satin black Material: Aluminium, Finish: Alochrom Forced air cooling recommended Forced air cooling required
    • Power Attenuators WR112 25.5dB High Power Attenuator Model: AM112J-25.5HP Freq: 8.0 -9.0 GHz, Attenuation : 25.5 dB +/- 0.5 dB Power: 200W Mean, 160 kW pk, VSWR: 1.2:1 max Length: 410 mm, Flanges: UBR84, Pressure: 1 bar. Material: Aluminum, Finish: Alochrom, painted satin black
    • Coaxial Attenuators Coaxial High Power Microwave Bi-directional Fixed 30dB Attenuator Model: AMCOJ-HP-30N Frequency: 7.5-18GHz, Power: 300W CW, VSWR: 1.3:1 Connectors: N(f) - N(m), Attenuation: 30dB Length: 400mm max. This attenuator is convection cooled and does not require forced air cooling. Note:- goes hand in hand with Narda DC-6GHz 769 series!!
    • Variable Attenuators WR90 30dB Variable Attenuator WR284 2.6-3.95 GHz30dB Variable Attenuator
    • Couplers – Section 3 What we need to know:- Coupler style – eg broadwall, cross-guide Type – single directional, dual or bi Waveguide size Coupling values Flanges or connectors Power Frequency Spec – directivity Size / weight / outline Material / Finish Typical application – power monitoring Question – what coupling flatness to they need? what are they trying to measure?
    • Couplers - Broadwall WRD580 Short 50dB Triband Broadwall Coupler Model: AM580C-50S WR28 10dB Broadwall Directional Coupler Freq: 5.8-16GHz, C, X & Ku bands Model: AM28C-10 Mean coupling: 50 +/-1dB, coupling flatness: +/-0.6dB Frequency: 26.5-40GHz, Mean coupling: 10dB +/-0.5dB Directivity:>20dB Directivity: >35dB, Freq Sensitivity: +/-0.5dB VSWR (5.85-14.5GHz): main line: 1.1:1 Flanges (3pl): UG-599/U, Finish: Painted satin black Finish: Alochrom, painted satin black. Note:- equivalent to obsolete Narda part V1067B
    • Couplers - Crossguide WR28 Waveguide Dual Cross Guide Coupler WR187 Waveguide 30dB Crossguide Coupler Model: AM28X-30K-40K Model: AM187X-30 Freq: 26.5-40GHz, Power: 50W CW, Two forward ports Freq: 3.95-5.85 GHz Connectors (2): K-type (f), Mean coupling: 30 and 40 dB With integral load, Flanges (3 pl): Round, cover Flanges (2): UBR320, Finish: Painted satin black. Customer: Matsushita?
    • Couplers – Sampler / Loop WRD580 30dB Power Sampler Dual Loop Coupler unit, Forward and Reverse Model: AM580P-30N Model: AM75CD-20LP Freq: 5.8-16GHz, coupling: 30dB Frequency: 14.5GHz, Insertion Loss: 0.3dB max. Freq sensitivity: +/-1.5 dB Coupling (both couplers): 20+/-1dB. Directivity: 0dB, Connector: N(f) Directivity 26dB (40dB design aim) Flanges (2pl): Alt tap & clear Power: 100 W CW, Coupling Connectors SMA (f). Finish: painted matt black epoxy Length 50 mm, Flanges UBR120. Unit includes a custom inline adaptor
    • Filters – Section 4 What we need to know:- Filter style – eg low, high or band pass, reflective, absorptive Waveguide size / coax connectors Filtering requirements – passbands, stopbands, rejection, insertion loss Flanges Power Size / weight / outline Material / Finish Typical application – Amplifier signal cleaning Question – what do they want the filter to do?
    • Filters – Bandpass & Lowpass WR75 Lowpass Transmit Reject Filter WR75 Bandpass Transmit Filter Model: AM75Q-LP Model: AM75Q-BP Passband frequency: 10.95 – 12.75 GHz Passband frequency: 14 - 14.5GHz Return Loss: >15 dB @ 10.95 –12.75 GHz Passband Insertion loss: 0.6 dB max Insertion Loss: <0.2 dB @ 10.95 –12.75 GHz Passband Return Loss: 23 dB max Rejection Frequency: 13.75 – 14.50 GHz Rejection: 60 dB min to 13.67 & above 14.95 GHz. Rejection: >70 dB @ 13.75 – 14.50 GHz Note: These are reflective filters
    • Filters – Coaxial & Absorption Coaxial Bandpass Combline 2.2GHz Filter WR90 Harmonic Low Pass Absorption Filter Model: AMCOQ-BP2.2 Model: AM90Q-HARM Passband: 2.2 GHz +/- 125 MHz, Flanges: UBR100, Length: 220mm max Connectors: 3.5(f), Pass Band Freq: 8.2-12.4GHz Ins Loss: <0.7 dB max, Return loss: 21dB max Power: 400 W CW max Reject Frequency: 14.5-18.0GHz Ins Loss: >35dB, Return loss: 17dB max
    • Filters - Microstrip Microstrip Bandpass Filter Coupled Line Fc 8 & 12GHz, BW 200 MHz Note: picture has 2 filters Microstrip Lowpass Filters Size: 20 x 25mm each Models: AMCOQ-LPX Reject: above 5, 8 & 11GHz Microstrip Bandpass Filter Note: picture has all 3 filters Wide Band Low Frequency Size: 20 x 30mm each Model: AMCOQ-BP2 Fc: 2GHz, BW 750 MHz Pass band IL: 1 dB Rejection: up to 50dB Power: 10W Connectors: SMA(f)
    • Horn Antennas – Section 5 What we need to know:- Frequency Range Gain, Beam width, far field Input – waveguide, coax Power Radome Typical application – EMC Chamber Question – does the customer need a rotary or swivel joint for changing polarisation?
    • Antennas – Standard Gain WR62 12.4-18.0GHz Standard Gain Horn WR112 7.05-10.0GHz 30 dB Standard Gain Horn Antenna Model: AM62HA Model: AM112HA-30 Flange: UBR140, Flange: UBR84 Midband Gain: 20 dBi, Units supplied with theoretical plots of gain and beamwidth Finish: Painted Satin Black. These units are not electrically tested
    • Antennas – Double Ridge & Octave WRD750 Horn Antenna & Swivel Joint Assembly Octave Band Horn Antennas, Freq: 1-2, 2-4 & 4-8GHz Model: AM750HA-SJ Models: AM1-2HA-N-OCT, AM2-4HA-OCT, AM4-8HA-N-OCT Freq: 8-18GHz, Typ mid band horn gain: 12dBi Freq: 1.0-2.0GHz, Gain: 9-14.7dBi, Far field dist: 1023-2046 mm Far field dist: 146mm, E and H plane 3dB BW: 49deg E & H-plane 3dB BW 66-33 Deg Flange: plain, WRD750, all clearance holes Freq: 2.0-4.0GHz, Gain: 9.2-15 dBi, Far field dist: 526-1053 mm Swivel rotation: 0-90 deg, VSWR: 1.45:1 max E & H-plane 3dB BW 65-33 Deg Suitable for power: 250W CW, 1kWpk @ 4% duty. Freq: 4.0-8.0GHz, Gain: 9.5-15.3 dBi, Far field dist: 275-550 mm E & H-plane 3dB BW 64-32 Deg Connector: N-type (f), VSWR: 1.5:1 max Power: 250W CW, Tripod mount
    • Antennas - Broadband Wideband Horn Antenna, Freq: 1-18GHz Wideband Horn Antenna, Freq: 0.2-2.0GHz Model: AM1-18HA Model: AM0.2-2HA Typical spec: Antenna Factor: 24-46dB Connector N-type(f), Finish: Alochrom E & H-plane 3dB BW 65-15 Deg VSWR <2.5:1 Connector: N-type (f) BW 85deg @ 0.2GHz reducing to 40deg @ 2GHz Material: Aluminum alloy
    • Antennas – Rotary Antennas Broadband Rotating Antenna 2-8GHz, N-type connector High Power Rotary Antenna 1-2GHz, 7/8 EIA connector
    • Antennas - Custom Circular Polarised Horn Antenna Microwave Gain 20dB, 3dB BW 20dB WR430 Horn Antenna with Magnetron Gain 20dBi, E & H-plane 3dB BW 19 deg. Length: 980mm Front to back ratio in the order of 30dB.
    • Antennas - Custom Custom Double Ridge Horn Antenna mmWave Horn Antenna 40 & 300GHz!!
    • OMTs – Section 6 What we need to know:- TX & RX frequencies Polarisation Typical application – Satcom Feed Assembly Port isolations, insertion loss Question – can we integrate TX filtering into the Ports rectangular, circular OMT assembly?
    • Rotary Joints – Section 7 What we need to know:- Freq: – eg Ku band Tx 13.75-14.5GHz Waveguide / coax Style: single / dual channel Power Movement: rotating, continuous, dither etc. Lifetime: contacting, non-contacting Typical application – Marine VSAT, SNG Question – Is the part used in a feedarm and so do they need filters or an OMT?
    • Waveguide Rotaries U-style WR187 Contactless Rotary Model: AM187RJU I-style WR75 Contactless Rotary Model: WR75RJI L-style WR75 Contactless Rotary Model: WR75RJL
    • Coaxial Rotaries DC-40GHz Coaxial Rotary, SMA DC-12.4GHz Coaxial Rotary, N-type (f-m) Model: AMCORJ-WB Model: AMCORJ-12.4 Ku –band 13.75-14.5GHz Coaxial Rotary DC-18GHz Coaxial Rotary, N-type (f) Contactless, N-type (f-m) Model: AMCORJ-18 Model: AMCORJ-12.4
    • Custom Rotaries Dual Channel Rotary
    • Custom Rotaries Wideband Coaxial Rotary Joint with Slip Rings DC-40GHz RF, 6 DC 15A Slip Rings
    • Sub Systems – Section 8 Tuner Coupler assembly TWTA Output Satcom Output Feedarm Feedarm
    • Waveguide Assemblies WR187 not straight pieces!!
    • TEM Cells – Section 9 EMC Testing Field Strength testing & calibration
    • Terminations – Section 10 What we need to know:- Waveguide size Frequency Power VSWR Flanges or connectors Cooling – forced air, convection Size / weight / outline Material / Finish Typical application – Amplifier Test Question – does the customer need couplers for power monitoring?
    • Terminations – Low Power WR62 Medium Power Load Model: AM62L-2 Freq: 12.4-18GHz Power: 20W CW Flange UBR140 WR187 Low Power Waveguide Load WRD650 Medium Power Waveguide Load Model: AM187L-1 Model: AM650L-2 Freq: 3.95-5.85GHz Frequency: 6.5-18 GHz Power: 1W Power: 75W CW max, Length: 200mm Flanges UAR48 & CAR48
    • Terminations – High Power WR112 High Power Termination AM112L-3(600W) WR90 High Power Fan Cooled Load Freq: 7.05-10.0 GHz Model: AM90L-4(1KW) Flange UBR84, Power 600W CW Frequency: 8.2-12.4GHz VSWR: 1.1:1, Length 458mm Power: 1000WCW Finish: Alochrom, Satin Black Length: 570mm Flanges: CBR100 Choke WR90 High Power Load Pressure tight to 3PSI Custom Cooling Fins Safe working temp.(typ 120 deg C) Power: 100W Note: can provide equivalents to obsolete Narda models eg p/n 321B X-band 600W Load
    • Terminations - Coaxial High Power Wideband TNC Load, 4-18GHz Model: AMCOL-2-P30S-T Load with integral 30dB SMA power sampler Coaxial Load with special connector Freq: 4.0-18.0GHz, Power 200w CW, Connector: TNC(f) Model: AMCOL-1-T VSWR: 1.45:1, Power sampler: 30dB +/-2.5dB Frequency: 10 - 100 MHz, Power: 25 W CW Sample port connector: SMA(f) Length: 80 mm Connector: Push-on TNC(m) with M27x1.5 threaded fitting.
    • Waveguide Hardware – Section 11 Bends WRD750 Machined E-bend - AM750ME WR90 Cast E & H bends – AM90E & AM90H WR28 swept copper H bends – AM28H Custom angle WRD650 E bend
    • Flexible WR75 6 inch Flex Twist Section WRD750 Short Flex Twist Section WR90 Waveguide Assembly with Flex only Section WR62 Flex Twist Waveguide Assembly
    • Straights WRD650 Straights WR90 Flange Adaptors WR187 Misty Beige ‘Nearly’ Straights!!
    • Transitions & Tapers Custom taper from WRD584 to WR62 Model: AM584-62 Models: AM62-75 & AM51-42 Note: WRD584 5.84-18.4GHz Satcom Quad band Note: normal operation is only in overlapping bands
    • Twists WRD650 90deg Twist WR28 90deg Twist
    • Additional Products • Additional Products not in current short form catalogue – Swivel Joints – Tees / Hybrids – Mismatches & Short Circuits – Delay Lines – Windows – Quick Release Flanges – Fixing Kits & Waveguide Assembly Kits – mmWave parts – Pressure Inlets & Desiccators – Waveguide Switches – Active Products – System & Assembly Work • New web site –
    • Swivel Joints WR90 +/-45 deg WRD750 0-90 deg WR28 +/-45 deg
    • Waveguide Tees/ Hybrids WR284 and WR90 WR90 Hybrid Combiner Magic Tees
    • Mismatches & Short Circuits Low power variable mismatch High power 1000Ω coax mismatch load N-type mismatch load set Variable Short Circuit
    • Delay Lines Coaxial Delay Lines Model: AMCO-DELI-xx xx – ns delay Also inverted delay
    • Windows Kapton Windows Ceramic
    • Quick Release Flanges
    • Fixing Kits & Waveguide Assembly Kits Gaskets, Screws, Shims etc. WR75 components for SNG vehicle fit out
    • mmWave Components WR10 75-110GHz Waveguide Parts WR22 33-50GHz Standard Gain Horn Antenna mmWave Components - designed but not tested above 40GHz
    • Pressure Inlets & Desiccators Desiccators – keeping waveguide Pressure Inlet - for pressurising Systems dry / free of moisture waveguide systems
    • Waveguide Switches WR75 Waveguide Transfer Switch Model: AM75SWI Frequency: 10 – 15 GHz Voltage: 24 V DC Return Loss : 28 dB min Insertion loss : 0.05 dB max Isolation: 70 dB typ Pressure : 1 bar Material : Aluminium, Finish : Alochrom. Options : Manual over-ride, Manual, Indicators Failsafe, Latching.
    • Active Capability A very new capability for Link Setting up – early days. Looking for RFQs Areas:- Active modules Integrated assemblies Custom modules not available off the shelf. Small batch Not Hi Rel / Space
    • Active Capability Microstrip building blocks:- 0.3-3GHz LNA Module Amplifiers Mixers Oscillators Filters 5 GHz PA Module
    • System Work Microwave Power Monitoring Test System
    • System Work Microwave Power Monitoring Test System
    • System Work Automatic Electronic Motor Driven Variable-Phase Mismatch System WR284 High Power
    • System Work Communications Combiner System
    • System Work High Power Amplifier System Communications Controller System
    • System Test System on High Power Test 200W 7.5-18GHz
    • System Test Environmental Test of amplifier modules