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Direct Reading Attenuator with Remote Control

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Direct Reading Attenuator with Remote Control

Direct Reading Attenuator
  • High resolution
  • High accuracy
  • Remote control

The DAXE Millimeter-Wave Direct Reading Attenuators are rotary-vane type attenuators with remote control via USB 1.1 or higher. The value of attenuation is determined by the angle of rotation of a resistive film with respect to the waveguide and thus is independent of frequency.



The Attenuators are provided in seven waveguide bands between 18 GHz and 225 GHz.

Model numberFrequency range, GHzWaveguide typeWaveguide flangeAttenuation accuracyInsertion loss, dBVSWR
DA212E18 - 26.5WR - 42UG 595/U

±0.2dB for A=0÷10dB;

±0.02·A for A=10÷50dB;

±[1+0.08·(A-50)]dB for A=50÷60dB,  where

A is attenuation in dB.

0.5 max1.15 max
DA208E26.5 - 40WR - 28UG 599/U0.6 max1.15 max
DA206E33 - 50WR - 22UG 383/U0.8 max1.15 max
DA204E50 - 75WR - 15UG 385/U1.0 max1.15 max
DA203E75 - 110WR - 10UG 387/UM1.5 max1.2 max
DA202E110 - 170WR - 06UG 387/UM2.0 max1.2 max
DA2015E170 - 225WR - 05UG 387/UM

±0.2dB for A=0÷10dB;

±0.02·A for A=10÷30dB;

3.0 max1.3 max

Attenuation range: 0 ÷ 60 dB

Power rating: 0.1 W avg.