Engineering Division

Short Form Products Catalogue

Presentation2009

www.linkmicrotek.comTel: +44 1256 355 771 Fax: +44 1256 355 118 Email: sales@linkmicrotek.com

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

Machined from solidWR650 High Power Waveguide Adaptor to N-type Coax

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-N(HP) WRD750, N(f)

High Power

AM750A-S WRD750 7.5-18GHz, SMA(f)AM650A-T WRD650 6.5-18GHz, TNC(f)

AM650A-T(M)HP, 200W, TNC(m)

Adaptors – End Launch

WRD650 End Launch Adaptor to SMA(f)

Model: AM650A-S(EL)

Full freq range 6.5-18 GHz

Plain Flange , alt tap & clear holes

WR62 End Launch Adaptor to SMA(f)

Model: AM62A-S(EL)

Adaptors – Special / Custom

Custom double ridge adaptors

For non 50 ohm Helix TWT output

Custom 45deg angled H & E plane adaptors

Long launch low frequency adaptor

WR975, 075-1.12 GHz

Horn antenna adaptor for N-type input

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

Power handling: 400W mean

Attn variation with freq: +/-0.5dB

Attn variation with temp: designed to meet +/-0.2dB

VSWR: 1.3:1 max, Internal w/g air pressure: 15 psia

Flanges (2pl): UBR 100

Material: Aluminium, Finish: Alochrom

Forced air cooling required

WR62 High Power Short Attenuator with Coax Output

Model: AM62J-20HP

Waveguide input, SMA (f) output, Freq: 13.50-14.50GHz

Power: 200W av, VSWR: 1.2:1 max, Length: 150 mm

Flanges: UBR140, Material: Aluminum

Finish: Alochrom, painted satin black

Forced air cooling recommended

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

WR28 10dB Broadwall Directional Coupler

Model: AM28C-10

Frequency: 26.5-40GHz, Mean coupling: 10dB +/-0.5dB

Directivity: >35dB, Freq Sensitivity: +/-0.5dB

Flanges (3pl): UG-599/U, Finish: Painted satin black

Note:- equivalent to obsolete Narda part V1067B

WRD580 Short 50dB Triband Broadwall Coupler

Model: AM580C-50S

Freq: 5.8-16GHz, C, X & Ku bands

Mean coupling: 50 +/-1dB, coupling flatness: +/-0.6dB

Directivity:>20dB

VSWR (5.85-14.5GHz): main line: 1.1:1

Finish: Alochrom, painted satin black.

Couplers - Crossguide

WR28 Waveguide Dual Cross Guide Coupler

Model: AM28X-30K-40K

Freq: 26.5-40GHz, Power: 50W CW, Two forward ports

Connectors (2): K-type (f), Mean coupling: 30 and 40 dB

Flanges (2): UBR320, Finish: Painted satin black.

Customer: Matsushita?

WR187 Waveguide 30dB Crossguide Coupler

Model: AM187X-30

Freq: 3.95-5.85 GHz

With integral load, Flanges (3 pl): Round, cover

Couplers – Sampler / Loop

WRD580 30dB Power Sampler

Model: AM580P-30N

Freq: 5.8-16GHz, coupling: 30dB

Freq sensitivity: +/-1.5 dB

Directivity: 0dB, Connector: N(f)

Flanges (2pl): Alt tap & clear

Finish: painted matt black epoxy

Dual Loop Coupler unit, Forward and Reverse

Model: AM75CD-20LP

Frequency: 14.5GHz, Insertion Loss: 0.3dB max.

Coupling (both couplers): 20+/-1dB.

Directivity 26dB (40dB design aim)

Power: 100 W CW, Coupling Connectors SMA (f).

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

Model: AM75Q-LP

Passband frequency: 10.95 – 12.75 GHz

Return Loss: >15 dB @ 10.95 –12.75 GHz

Insertion Loss: <0.2 dB @ 10.95 –12.75 GHz

Rejection Frequency: 13.75 – 14.50 GHz

Rejection: >70 dB @ 13.75 – 14.50 GHz

WR75 Bandpass Transmit Filter

Model: AM75Q-BP

Passband frequency: 14 - 14.5GHz

Passband Insertion loss: 0.6 dB max

Passband Return Loss: 23 dB max

Rejection: 60 dB min to 13.67 & above 14.95 GHz.

Note: These are reflective filters

Filters – Coaxial & Absorption

Coaxial Bandpass Combline 2.2GHz Filter

Model: AMCOQ-BP2.2

Passband: 2.2 GHz +/- 125 MHz,

Connectors: 3.5(f),

WR90 Harmonic Low Pass Absorption Filter

Model: AM90Q-HARM

Flanges: UBR100, Length: 220mm max

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

Wide Band Low Frequency

Model: AMCOQ-BP2

Fc: 2GHz, BW 750 MHz

Pass band IL: 1 dB

Rejection: up to 50dB

Power: 10W

Connectors: SMA(f)

Microstrip Lowpass Filters

Models: AMCOQ-LPX

Reject: above 5, 8 & 11GHz

Note: picture has all 3 filters

Size: 20 x 30mm each

Microstrip Bandpass Filter

Coupled Line

Fc 8 & 12GHz, BW 200 MHz

Note: picture has 2 filters

Size: 20 x 25mm each

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

Model: AM62HA

Flange: UBR140,

Midband Gain: 20 dBi,

Finish: Painted Satin Black.

WR112 7.05-10.0GHz 30 dB Standard Gain Horn Antenna

Model: AM112HA-30

Flange: UBR84

Units supplied with theoretical plots of gain and beamwidth

These units are not electrically tested

Antennas – Double Ridge & Octave

WRD750 Horn Antenna & Swivel Joint Assembly

Model: AM750HA-SJ

Freq: 8-18GHz, Typ mid band horn gain: 12dBi

Far field dist: 146mm, E and H plane 3dB BW: 49deg

Flange: plain, WRD750, all clearance holes

Swivel rotation: 0-90 deg, VSWR: 1.45:1 max

Suitable for power: 250W CW, 1kWpk @ 4% duty.

Octave Band Horn Antennas, Freq: 1-2, 2-4 & 4-8GHz

Models: AM1-2HA-N-OCT, AM2-4HA-OCT, AM4-8HA-N-OCT

Freq: 1.0-2.0GHz, Gain: 9-14.7dBi, Far field dist: 1023-2046 mm

E & H-plane 3dB BW 66-33 Deg

Freq: 2.0-4.0GHz, Gain: 9.2-15 dBi, Far field dist: 526-1053 mm

E & H-plane 3dB BW 65-33 Deg

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

Model: AM1-18HA

Typical spec: Antenna Factor: 24-46dB

E & H-plane 3dB BW 65-15 Deg

Connector: N-type (f)

Material: Aluminum alloy

Wideband Horn Antenna, Freq: 0.2-2.0GHz

Model: AM0.2-2HA

Connector N-type(f), Finish: Alochrom

VSWR <2.5:1

BW 85deg @ 0.2GHz reducing to 40deg @ 2GHz

Antennas – Rotary Antennas

High Power Rotary Antenna

1-2GHz, 7/8 EIA connector

Broadband Rotating Antenna

2-8GHz, N-type connector

Antennas - Custom

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.

Circular Polarised Horn Antenna

Microwave

Gain 20dB, 3dB BW 20dB

Antennas - Custom

mmWave Horn Antenna

40 & 300GHz!!

Custom Double Ridge Horn Antenna

OMTs – Section 6

What we need to know:-

TX & RX frequencies

Polarisation

Port isolations, insertion loss

Ports rectangular, circular

Typical application – Satcom Feed Assembly

Question – can we integrate TX filtering into the

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

L-style WR75 Contactless Rotary

Model: WR75RJL

I-style WR75 Contactless Rotary

Model: WR75RJI

Coaxial Rotaries

DC-40GHz Coaxial Rotary, SMA

Model: AMCORJ-WB

DC-18GHz Coaxial Rotary, N-type (f)

Model: AMCORJ-18

DC-12.4GHz Coaxial Rotary, N-type (f-m)

Model: AMCORJ-12.4

Ku –band 13.75-14.5GHz Coaxial Rotary

Contactless, N-type (f-m)

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

FeedarmSatcom Output 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

WR187 Low Power Waveguide Load

Model: AM187L-1

Freq: 3.95-5.85GHz

Power: 1W

Flanges UAR48 & CAR48

WR62 Medium Power Load

Model: AM62L-2

Freq: 12.4-18GHz

Power: 20W CW

Flange UBR140

WRD650 Medium Power Waveguide Load

Model: AM650L-2

Frequency: 6.5-18 GHz

Power: 75W CW max, Length: 200mm

Terminations – High Power

WR90 High Power Fan Cooled Load

Model: AM90L-4(1KW)

Frequency: 8.2-12.4GHz

Power: 1000WCW

Length: 570mm

Flanges: CBR100 Choke

Pressure tight to 3PSI

Safe working temp.(typ 120 deg C)

WR90 High Power Load

Custom Cooling Fins

Power: 100W

WR112 High Power Termination

AM112L-3(600W)

Freq: 7.05-10.0 GHz

Flange UBR84, Power 600W CW

VSWR: 1.1:1, Length 458mm

Finish: Alochrom, Satin Black

Note: can provide equivalents to obsolete Narda models eg p/n 321B X-band 600W Load

Terminations - Coaxial

Coaxial Load with special connector

Model: AMCOL-1-T

Frequency: 10 - 100 MHz, Power: 25 W CW

Length: 80 mm

Connector: Push-on TNC(m) with M27x1.5 threaded fitting.

High Power Wideband TNC Load, 4-18GHz

Model: AMCOL-2-P30S-T

Load with integral 30dB SMA power sampler

Freq: 4.0-18.0GHz, Power 200w CW, Connector: TNC(f)

VSWR: 1.45:1, Power sampler: 30dB +/-2.5dB

Sample port connector: SMA(f)

Waveguide Hardware – Section 11

WRD750 Machined E-bend - AM750MEWR90 Cast E & H bends – AM90E & AM90H

WR28 swept copper H bends – AM28H Custom angle WRD650 E bend

Bends

Flexible

WRD750 Short Flex Twist SectionWR75 6 inch Flex Twist Section

WR90 Waveguide Assembly with Flex only Section WR62 Flex Twist Waveguide Assembly

Straights

WRD650 Straights

WR187 Misty Beige ‘Nearly’ Straights!!

WR90 Flange Adaptors

Transitions & Tapers

Custom taper from WRD584 to WR62

Model: AM584-62

Note: WRD584 5.84-18.4GHz

Satcom Quad band

Models: AM62-75 & AM51-42

Note: normal operation is only in overlapping bands

Twists

WR28 90deg Twist

WRD650 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 – www.linkmicrotekeng.com

Swivel Joints

WR90 +/-45 deg WRD750 0-90 deg

WR28 +/-45 deg

Waveguide Tees/ Hybrids

WR284 and WR90

Magic Tees

WR90 Hybrid Combiner

Mismatches & Short Circuits

High power 1000Ω coax mismatch load

Low power variable mismatch

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

mmWave Components - designed but not tested above 40GHz

WR22 33-50GHz Standard Gain

Horn Antenna

WR10 75-110GHz Waveguide Parts

Pressure Inlets & Desiccators

Desiccators – keeping waveguide

Systems dry / free of moisturePressure Inlet - for pressurising

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:-

Amplifiers

Mixers

Oscillators

Filters

5 GHz PA Module

0.3-3GHz

LNA 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