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Keysight (Agilent)

Keysight (Agilent) 355D

DC - 1000 MHz Manual Step Attenuator
0 to 1000 MHz Frequency Range
0 to 11 dB Attenuation Range
1 dB steps Attenuation Steps
50 Ohms Impedance
1 W (30 dBm) Maximum Input Power
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Attribute Value
Frequency Range 0 to 1000 MHz
Attenuation Range 0 to 11 dB
Attenuation Steps 1 dB steps
Impedance 50 Ohms
Maximum Input Power 1 W (30 dBm)
Connector Type BNC
VSWR 1.4:1 maximum
Operating Temperature 0°C to +55°C
Maximum DC Voltage 100 V DC
Type Step Attenuator
Keysight Technologies 355D Options:
  • 355D - 001 - N (f) RF connector
  • 355D - 005 - TNC (f) RF connector
Calibration Form Keysight (Agilent) 355D

Repair Form Keysight (Agilent) 355D
Maximum file size: 40MB

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Model355D

The Keysight (Agilent) 355D is a manual step attenuator offering 10 dB steps from 0 to 120 dB, operating from DC to 1 GHz. Featuring cam-actuated microswitches for low stray capacitance and inductance, it ensures minimal phase shift. Compact and rugged, the 355D is well-shielded to eliminate signal leakage and pickup. It can be paired with the 355C to extend attenuation range to 132 dB in 1 dB steps.

Suitable for precise RF attenuation tasks, it offers maximum SWR of 1.2 to 1.5 across frequencies and repeatability of 0.03 dB over 0.5 million cycles. Includes BNC female connectors with optional alternatives.

Testwall can supply the used Keysight (Agilent) 355D, fully tested. With expert support and global delivery, Testwall ensures high-performance instrumentation with unmatched reliability and service quality. Please contact us directly if you need calibration or repair of the Keysight (Agilent) 355D.

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