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The Stability Factor of Negative Feedback in Amplifiers

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1 Author(s)
Becker, S. ; Metron Instrument Co., Denver, Colorado

This paper discusses the effect of negative feedback on the gain and stability of an amplifier. A general set of equations for use in designing negative-feedback amplifiers is developed and a discussion of their use is given. With these equations the engineer is able to design an amplifier of given gain and stability, to determine the increase in stability caused by negative feedback when it is known how much gain may be sacrificed, to determine the effect on gain and stability of a given amount of negative feedback in an amplifier, and to determine how much gain must be sacrificed in an amplifier to obtain a certain stability.

Published in:

Proceedings of the IRE  (Volume:32 ,  Issue: 6 )