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Keysight (Agilent/HP) 8490D Coaxial Fixed Attenuator, DC to 50 GHz

Keysight (Agilent/HP) 8490D Coaxial Fixed Attenuator, DC to 50 GHz

Description

Features & Specifications of Keysight (Agilent/HP) 8490D:

  • Frequency range : dc to 50 GHz
  • Impedance (nominal) : 50 μ
  • Connector : 2.4 mm
  • Power (maximum) : 1 W average; 100 W peak
  • Temperature
    • Operating : –5°C to +50°C
    • Non-operating : –55°C to +75°C
  • Altitude
    • Operating : 15,000 ft
    • Non-operating : 50,000 ft
  • Humidity : Cycling, 5 days, +40°C @ 95% R.H.
  • Vibration : 0.015 in., 5-55-5 Hz, 14 min., 3 axes
  • Shock : 100 g, 1 to 2 ms, 3 times, 3 planes
  • Dimensions
    • Length : 27 mm (1.06 in.) 3, 6, 10, 20 dB
    • 29 mm (1.14 in.) long 30, 40 dB
  • Diameter 8 mm (.312 in.)

Applications
Ruggedness, reliability, and small size make these attenuators useful both on the bench and in systems applications. With their accuracy and low SWR they are ideally suited for extending the range of sensitive power meters for higher power measurements. The same characteristics lend themselves to applications such as calibration standards and RF substitution measurements. With their broad dc to 50 GHz frequency range and reasonable cost, general applications such as the reduction of power level to sensitive components and instrumentation systems are attractive and appropriate uses for these attenuators.

Use of test data is an effective means of reducing measurement uncertainty at RF and microwave frequencies. This data is available for the 8490D as Option 890. Data is generated by an automatic network analyzer and is supplied as a tabulated list of attenu- ation and SWR at every 400 MHz from 400 MHz to 50 GHz. Measurements are directly traceable to NIST standards, and feature very low uncertainties.

The Keysight 8490D family of 2.4 mm ixed coaxial attenuators is assembled and tested with the same meticulous care as their lower frequency counterparts: the Keysight 8491, 8492, and 8493 families. These attenuators are all tested on Keysight precision analyzers to assure speciications over the full frequency range.

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