The 355F programmable step attenuator provides precision step attenuation in 10 dB steps from 0 to 120 dB. Attenuator sections are inserted and removed by cam-actuated microswitches which keep lead lengths short. This design minimizes stray capacitances and inductances, and keeps phase shift to a minimum. The Agilent 355F is a compact and rugged unit in which the component parts are rigidly positioned and well-shielded so that neither stray pickup nor signal leakage is a problem. It may be connected with the 355E in series to provide precision attenuation in 1 dB steps from 0 to 132 dB. Either terminal may be connected as input or output. Remote programming with rapid switching is simple via a 7-pin connector.
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