Working Paper Article Version 1 This version is not peer-reviewed

On the Theory and Design of Cold Resistors

Version 1 : Received: 29 May 2020 / Approved: 31 May 2020 / Online: 31 May 2020 (19:02:49 CEST)

How to cite: Song, J.; Kish, L.B. On the Theory and Design of Cold Resistors. Preprints 2020, 2020050494 Song, J.; Kish, L.B. On the Theory and Design of Cold Resistors. Preprints 2020, 2020050494

Abstract

The concept of using special electrical circuit design realize a "cold resistors", that is, an active resistor circuitry with lowered effective noise temperature, was first introduced about 80 years ago. Later on, various kinds of artificial resistors were applied in different research areas, such as gravitational wave detection, photo-amplifiers and quartz oscillators. Their proofs of concepts were experimentally proved. Unfortunately, the complete theory was not found even though several attempts had been published, sometimes with errors. In this paper, we describe a correct and complete circuit theoretical model of a cold resistor system. The results are confirmed by computer simulations. A design tools for this circuit is also shown.

Subject Areas

thermal noise; negative feedback; low-noise resistors; theory; design

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