3. 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?
4. 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
6. 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
7. 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
8. 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?
9. 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
10. 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
11. 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!!
13. 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?
14. 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
15. 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?
16. 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
17. 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?
18. 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
19. 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
20. 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)
21. 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?
22. 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
23. 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
25. Antennas – Rotary Antennas
Broadband Rotating Antenna
2-8GHz, N-type connector
High Power Rotary Antenna
1-2GHz, 7/8 EIA connector
26. 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.
28. 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?
29. 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?
36. TEM Cells – Section 9
EMC Testing
Field Strength testing & calibration
37. 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?
38. 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
39. 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
40. 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.
41. 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
42. Flexible
WR75 6 inch Flex Twist Section
WRD750 Short Flex Twist Section
WR90 Waveguide Assembly with Flex only Section WR62 Flex Twist Waveguide Assembly
44. 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
46. 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 – www.linkmicrotekeng.com
53. Fixing Kits & Waveguide Assembly Kits
Gaskets, Screws, Shims etc. WR75 components for SNG vehicle
fit out
54. mmWave Components
WR10 75-110GHz Waveguide Parts
WR22 33-50GHz Standard Gain
Horn Antenna
mmWave Components - designed but not tested above 40GHz
55. Pressure Inlets & Desiccators
Desiccators – keeping waveguide
Pressure Inlet - for pressurising Systems dry / free of moisture
waveguide systems
56. 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.
57. 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
58. Active Capability
Microstrip building blocks:-
0.3-3GHz
LNA Module Amplifiers
Mixers
Oscillators
Filters
5 GHz PA Module