The Keysight 355E programmable step attenuator provides precision step attenuation in 1 dB steps from 0 to 12 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 Keysight 355E 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 355F 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 . Frequency range: dc to 1 GHzAttenuation range: 0 to 12 dB, 1 dB stepsInsertion loss at 0 dB: 0.2 dB + 2.3 dB/GHzMaximum SWR: 1.2 to 250 MHz, 1.3 to 500 MHz, 1.5 to 1 GHzRepeatability life: 0.03 dB maximum, 0.5 million cycles per sectionMaximum RF input power: 0.5 W (average), 350 W (peak)Connector type: BNC femaleProgramming connector: 7-pin

Frequency range: dc to 1 GHzAttenuation range: 0 to 12 dB, 1 dB stepsInsertion loss at 0 dB: 0.2 dB + 2.3 dB/GHzMaximum SWR: 1.2 to 250 MHz, 1.3 to 500 MHz, 1.5 to 1 GHzRepeatability life: 0.03 dB maximum, 0.5 million cycles per sectionMaximum RF input power: 0.5 W (average), 350 W (peak)Connector type: BNC femaleProgramming connector: 7-pin

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