The Keysight/Agilent/HP 8447D was discontinued on 1-February-2010. Recommended alternatives are model numbers 317 or 354 from Sonoma Instrument.
8447D 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.
- Gain: > 25 dB
- Noise figure: < 8.5 dB
- Output power for 1 dB
- Gain compression: > + 7 dBm