Negative-feedback circuit for an, especially integrated, transis

Details Negative-feedback circuit for an, especially integrated, transis Negative-feedback circuit for an, especially integrated, transis

1981-09-02

1984-11-06

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including push-pull amplifier

330291, H03F 326, H03F 134

Patent

active

044814798

ABSTRACT:
Negative-feedback circuit for a transistor amplifier having an output stage, an output transformer being operated by the output stage and having a center tap and two ends, the center tap being connected to a supply voltage source, a first output transistor connected to one of the two ends of the transformer and a second output transistor connected to the other end of the transformer, each of the output transistors being driven by a half wave of an information signal and being load carrying during that respective half-wave only, including two circuits, one being connected to the first output transistor and the other being connected to the second output transistor for imaging the current in the output circuit of the output transistors connected thereto, and a circuit branch connected to the imaging circuits for combining the currents flowing in the imaging circuits into a full-wave voltage signal for negative-feedback.

REFERENCES:
patent: 3778730 (1973-12-01), Cromwell et al.
patent: 4187472 (1980-02-01), Yum

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