Keysight 8495B/001: Precision Step Attenuator for High-Frequency Applications

Keysight 8495B/001 Manual Step Attenuator – 70 dB, DC to 18 GHz, Type-N(f), 8495x Series.

The Keysight 8495B/001 Manual Step Attenuator from the trusted 8495x Series is engineered for demanding RF and microwave testing environments. Supporting frequencies from DC to 18 GHz and attenuation range from 0 to 70 dB in 10 dB steps, this device is ideal for signal level control, receiver sensitivity measurements, and system calibration tasks.

Equipped with Type-N female connectors (Option 001), it delivers exceptional performance and mechanical durability — with over 5 million cycles per section. The attenuator’s superior repeatability (as low as 0.01 dB) makes it an essential tool for any RF lab, production test setup, or high-frequency design bench.

Key Features

• Attenuation Range: 0 to 70 dB in 10 dB steps

• Frequency Range: DC to 18 GHz

• Connector Type: Type-N(f), Option 001

• Insertion Loss at 0 dB: 0.4 dB + 0.07 dB/GHz

• Maximum SWR:

  • 1.35 (up to 8 GHz)

  • 1.5 (up to 12.4 GHz)

  • 1.7 (up to 18 GHz)

• High Repeatability: Typically 0.01 dB, max 0.03 dB

• Mechanical Life Span: >5 million cycles per section

• Power Handling:

  • 1 W average

  • 100 W peak

• Compatibility:

  • Use with Keysight 11716A Interconnect Kit (Type-N)

  • Use with Keysight 1147B

Why Choose the Keysight 8495B/001?

• Trusted RF Performance – Consistent and stable attenuation across broad frequency ranges.

• Durability – Designed for long-term, repetitive use without loss in performance.

• Versatility – Ideal for use in a wide range of RF test setups, including signal integrity testing, EMC labs, and component characterization.

• Traceable Accuracy – Optional NIST-traceable data (Option UK6) enhances confidence in measurement systems.

What’s Included

• Keysight 8495B/001 Manual Step Attenuator

• Standard documentation

• Optional calibration data (with Option UK6, sold separately)

Technical Specifications

Applications

• RF and Microwave Signal Testing

• Receiver Sensitivity Testing

• Electromagnetic Compliance Setup

• Level Control in Amplifier or Attenuator Chains

• Calibration of Signal Sources and Power Meters

Learn more:
Read our guide on RF Spectrum Testing in Industrial Environments: Ensuring Signal Integrity and Electromagnetic Compliance to understand how tools like the 8495B can improve your RF measurements.

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