Abstract

This paper discusses certain important aspects of the noise behavior of a pumped resistive diode containing shot and thermal noise sources. The derivation of the following result has a central role in the discussion. It is shown that the noise behavior of a pumped diode which does not contain 1/f noise sources can be derived in a very simple way from Nyquist's theorem. This follows from the fact that the small-signal terminal behavior of such a diode can always be represented, in the frequency range of practical interest, by means of a connection of two linear and time-invariant networks of which one is noiseless and the other is dissipative, contains only thermal noise sources and is held at a uniform temperature.

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