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Noise Source ENR Temperature Compensation

Question asked by DreiSigma on Mar 3, 2020
Latest reply on Mar 14, 2020 by Dr_joel

A commonly found expression for the temperature compensation of a noise diode is:


ENR(Tamb) = ENR + (To - Tamb)/To


... but in a Keysight Application Note, it is suggested that this relationship is inadequate because it assumes that only the cold temperature changes, i.e. the on-state equivalent temperature.would remain constant with changes in Tamb.  Is there a preferred temperature compensation expression?