The Keysight 8447A was discontinued on 1-February-2010. Recommended alternatives are model numbers 317 or 354 from Sonoma Instrument. See Sonoma Instrument data sheets.

The Keysight 8447A is a low-noise, high gain amplifier used to improve the sensitivity of counters, spectrum analyzers, RF voltmeters, EMI meters, power meters and other devices. They will also increase the maximum power available from a signal generator or sweeper.

Keysight offers 5-year support life to this product. Additionally, we give our best effort to provide information on obsolete products which are no longer under support life.

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