Feedback systems

Details Feedback systems Feedback systems

1978-07-31

1981-01-06

Mullins, James B.

Amplifiers

Signal feedback

In cascade amplifiers

330103, 330107, 330294, H03F 134

Patent

active

042439434

ABSTRACT:
A feedback system for a multi-stage amplifier is disclosed which includes a nest of feedback loops centered on a particular stage, for example, on the output stage. This enables a very large amount of feedback to be applied to that stage, and enables constant return difference to be obtained for that stage over a nominated frequency range. Bode's limits for mid-band loop-gain magnitude and its rate of attenuation with frequency can be exceeded.

REFERENCES:
patent: 2281238 (1942-04-01), Greenwood
patent: 2397625 (1946-04-01), Roche et al.
patent: 3512102 (1970-05-01), Kubach

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