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HIGHLIGHTS

Superior RF Performance

  • Frequency Range: DC to 50 GHz
  • Maximum SWR (except 40 dB): 1.15 to 26.5 GHz, 1.25 to 40 GHz, 1.45 to 50 GHz
  • Maximum SWR (40 dB attenuator): 1.08 to 26.5 GHz, 1.15 to 40 GHz, 1.25 to 50 GHz

Power handling

  • Maximum Input Power: 1 W (average)

Features

  • Connector: 2.4 mm male, female

The Keysight 8490D coaxial fixed attenuator provides precision attenuation, flat frequency response, low SWR over broad frequency range at a low price. The attenuator is available in nominal attenuations of 3 dB and 6 dB, also 10 dB increments from 10 dB to 40 dB. This attenuator is swept-frequency tested to ensure they meet specifications at all frequencies. Calibration points are provided on a nameplate chart attached to each unit.

For more information about fixed rf attenuators, please visit Attenuators, Fixed.

8490D Coaxial Fixed Attenuator

Interested in a 8490D?

Featured Resources for 8490D Coaxial Fixed Attenuator, DC to 50 GHz

Technical Overviews 2017.12.04

Coaxial Attenuators 8490D

Coaxial Attenuators 8490D

This publication describes these coaxial attenuators, thebroadband dC-26.5 GHz low power fixed attenuator pads.Values from 3-60 dB.

2017.12.04

User Manuals 2023.05.22

849x and 1158x Operating and Service Manual

849x and 1158x Operating and Service Manual

849x Coaxial Fixed Attenuators and 1158x Attenuator Sets Operating and Service Manual.

2023.05.22

Product Fact Sheets 2014.08.01

RF & Microwave Coaxial Fixed Attenuators

RF & Microwave Coaxial Fixed Attenuators

This two-page quick fact sheet highlights the key features and specifications for RF & Microwave Coaxial Fixed Attenuators.

2014.08.01

Brochures 2020.08.13

RF & Microwave Attenuators

RF & Microwave Attenuators

This brochure eases selection of Keysight attenuators by providing a brief overview and specifications of fixed, manual, and programmable step attenuators.

2020.08.13

Flyers 2021.11.10

Keysight RF and Microwave Test Accessories, 40/50/54/67 GHz

Keysight RF and Microwave Test Accessories, 40/50/54/67 GHz

These test accessories will accommodate the required level of accuracy and performance in high frequency testing up to 67 GHz. They are ideal for radar and satellite testing, wireless communications, microwave backhaul and other high frequency applications where performance and reliability are the priority.

2021.11.10

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