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Class Information
Number: 330/82
Name: Amplifiers > Signal feedback > At least one push-pull signal stage > Positive and negative feedback
Description: Subject matter including at least one signal feedback means wherein the signal feedback at the amplifier device input means has a component in phase with the input signal at this point in the circuit, and at least one signal feedback means wherein the signal feedback at the amplifier device input means has a component opposite in phase with the input signal at the amplifier input to which such feedback is applied.

Patents under this class:

Patent Number Title Of Patent Date Issued
8446217 Dual-loop feedback amplifying circuit May. 21, 2013
8374279 Modulation device for a transmission path, method for signal processing in a transmission path, and transmission path having the modulation device Feb. 12, 2013
7969246 Systems and methods for positive and negative feedback of cascode transistors for a power amplifier Jun. 28, 2011
7459971 Amplifier circuit Dec. 2, 2008
5604461 Transformerless output vacuum tube audio amplifier Feb. 18, 1997
4004241 Hybrid feedback amplifier of a push-pull type Jan. 18, 1977

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