6533b81ffe1ef96bd1277a33

RESEARCH PRODUCT

Comparison between complete and simplified methods for determining the microwave noise parameters of HEMTs

A. CaddemiM. Sannino

subject

Data processingEngineeringSimplified methodsNoise measurementbusiness.industrySystem of measurementTunerNoise figurelaw.inventionlawElectronic engineeringTransformerbusinessMicrowave

description

Modem automatic noise parameter measuring systems are based on measurements of some values of F(rs ) for different values of IГs (more than four, for redundancy) realized by adjusting an admittance transformer (tuner) inserted between the noise source and the TUT mput . Such values are then manipulated by means of proper data processing techniques using eqn.( 1) [ 11. This measuring procedure is hereafter referred to as standard to point out that the old `Standards on methods of measuring noise in linear twoports´ published by the IRE Subcommittee on noise in 1960 is considered obsolete by all the experimenters.

yearjournalcountryeditionlanguage
1994-05-0143rd ARFTG Conference Digest
https://doi.org/10.1109/arftg.1994.327068