Multiplicative and Additive Low-Frequency Noise in Microwave Transistors


The additive noise (i.e., noise figure) in the 1-Hz-1-GHz range and multiplicative noise (i.e., gain fluctuations) in the 1-Hz-100-kHz range have been measured for six different types of high electron mobility transistors and two heterojunction bipolar transistors. The instrumentation enables measurement of multiplicative noise as small as 10<sup>-6</sup… (More)


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