Title :
Amplifier noise measurements at NIST
Author :
Wait, David F. ; Randa, James
Author_Institution :
Div. of Electromagn. Fields, Nat. Inst. of Stand. & Technol., Boulder, CO, USA
fDate :
4/1/1997 12:00:00 AM
Abstract :
We have recently measured the noise characteristics of two low-noise commercial amplifiers in the 2.0-4.0 GHz frequency range. The tests were part of a program to develop and validate measurement methods for a noise-figure measurement service. Measured noise figures were about 0.5±0.04 dB. We present the results and the accompanying uncertainties. We also describe the measurement method and summarize the many checks that were used to validate the method
Keywords :
UHF amplifiers; UHF measurement; electric noise measurement; measurement errors; microwave amplifiers; microwave measurement; 0.46 to 0.54 dB; 2.0 to 4.0 GHz; NIST; UHF amplifiers; amplifier noise measurements; microwave amplifiers; noise-figure measurement service; uncertainties; Acoustic reflection; Frequency measurement; Low-noise amplifiers; NIST; Noise figure; Noise measurement; Performance evaluation; Power measurement; Temperature; Testing;
Journal_Title :
Instrumentation and Measurement, IEEE Transactions on
