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Fairview Microwave

Millimeter Wave Continuously Variable Waveguide Attenuators

Waveguide Variable Attenuators
  • 0 - 30 dB attenuation range
  • Operating frequencies from 33 to 110 GHz in five bands
  • Low insertion loss from 0.5 to 1 dB
  • Attenuation adjusted using a built-in micrometer
  • High quality machining allows consistent performance

Click on a product below for more details

Model No.

Waveguide
Size

Frequency
Range
(GHz)

Insertion
Loss

Maximum
Attenuation

Step
Type

Waveguide
Flange Size

Body
Plating

SMW10AT001-30

WR-10

75-110

1.0

30

Dial

UG-387/U-Mod

Gold

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0 to 30 dB WR-10 Waveguide Continuously Variable Attenuator From 75 GHz To 110 GHz Dial And UG 387/U-Mod Flange

SMW12AT001-30

WR-12

60-90

0.9

30

Dial

UG-387/U

Gold

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0 to 30 dB WR-12 Waveguide Continuously Variable Attenuator From 60 GHz To 90 GHz Dial And UG-387/U Flange

SMW15AT001-30

WR-15

50-75

0.8

30

Dial

UG-385/U

Gold

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0 to 30 dB WR-15 Waveguide Continuously Variable Attenuator From 50 GHz To 75 GHz Dial And UG-385/U Flange

SMW19AT001-30

WR-19

40-60

0.6

30

Dial

UG-383/U-Mod

Gold

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0 to 30 dB WR-19 Waveguide Continuously Variable Attenuator From 40 GHz To 60 GHz Dial And UG383/U-Mod Flange

SMW22AT001-30

WR-22

33-50

0.5

30

Dial

UG-383/U

Gold

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0 to 30 dB WR-22 Waveguide Continuously Variable Attenuator From 33 GHz To 50 GHz Dial And UG-383/U Flange

Waveguide Variable Attenuators

Our millimeter wave variable waveguide attenuators allow designers and engineers to test their systems at various signal strengths and attenuation values to determine the optimum signal performance of the system. The key feature of these waveguide attenuators is that the attenuation level is adjusted using a built-in micrometer which enables repeatable and rapid re-setting to different attenuation levels without the need for additional external components. Our waveguide attenuators handle varying attenuation levels from 0 to 30 dB over the specified band allowing the designer to tune the attenuation level needed for the application. These continuously variable waveguide attenuators cover a broad frequency range of 33 to 110 GHz in five bands and also display flat performance across a wide band with low insertion loss.

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