Fixed Rotary Vane Attenuators

2.60 to 50.0 GHz 1.0 to 50 dB

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Fixed Rotary Vane Attenuators

     These rotary vane type fixed precision attenuators are widely used in standardizing the testing of attenuators, directional couplers and similar instruments in the laboratory or on the production line.  Because the attenuation values are completely determined by the angular position of the attenuation element and are insensitive to frequency, these units are considered highly reliable, accurate and stable basic attenuation standards.

   These unites are available with attenuation values factory set between 1.0 and 50 dB with an absolute accuracy of +/-0.3 dB for values up to 20 dB and +/-0.5 dB for values from 20 to 50 dB.  These units operate over the full waveguide bandwidth with a maximum VSWR of 1.15 and have a power handling capacity as indicated in the table.  Finish is instrument gray enamel.

Important ordering information: 
When ordering, add the desired attenuation value to the model number; for example: 202-6, 2902-6.