Method of noise figure measurement with elimination of losses of input matching circuit
2008
The main sources of instrumentation errors (inaccuracy of source admittance setting, inherent noise of measuring system, losses of input matching circuit) occurring at the noise figure measurement have been analyzed. They have great influence on the accuracy of estimation of noise parameter set of linear twoports. Selected results obtained by means of the elaborated system for the noise figure measurement are presented. The system was applied for the measurement of noise properties of two‐gates MOSFETs at the frequency f=200 MHz.
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