Keysight (Agilent) 355C

Manual Step Attenuator, DC to 1000 MHz, 0 to 12 dB, 1 dB steps
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The Agilent 355C dc to 1000 MHz manual 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 Agilent 355C 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 355D in series to provide precision attenuation in 1 dB steps from 0 to 132 dB. Either terminal may be connected as input or output.

  • Frequency Range: dc to 1 GHz
  • Attenuation Range: 0 to 12 dB, 1 dB steps
  • Insertion Loss at 0 dB: 0.2 dB + 2.3 dB/GHz
  • Maximum SWR: 1.2 to 250 MHz, 1.3 to 500 MHz, 1.5 to 1 GHz
  • Repeatability Life: 0.03 dB maximum, 0.5 million cycles per section
  • Maximum RF Input Power: 0.5 W (average), 350 W (peak)
  • Connector Type: BNC female, optional Type-N female and TNC female
List of Options
001 Type-N (f) RF connectors
003 Attenuator panel mounting capability
005 TNC (f) RF connectors
101 BNC Connectors
301 Delete attenuator panel mounting
910 Additional operating and service manual
UKS Certificate of Calibration

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