Hybrid feedback amplifier of a push-pull type

Details Hybrid feedback amplifier of a push-pull type Hybrid feedback amplifier of a push-pull type

Filed on

1975-07-23

Date issued

1977-01-18

Examiner

Mullins, James B.

Patent Class

Amplifiers

SubClass

Modulator-demodulator-type amplifier

Other Related Categories

330 28, 330 30R, 330 82, 330 84, H03F 326, H03F 134

Type

Patent

Status

active

Patent number

040042413

Description

ABSTRACT:
A feedback amplifier including a first and a second amplifier section comprises an autotransformer winding connected between common terminals of the respective amplifier sections and across a feedback circuit. A terminating impedance is connected between the output terminal of one of the amplifier sections and the autotransformer winding at a point nearer to its point of connection to the other amplifier section common terminal. Another terminating impedance is connected between the other amplifier section output terminal and the autotransformer winding at another point nearer to its point of connection to the common terminal of the above-mentioned one amplifier section. The terminating impedances may be used on the input side. They may be connected to the autotransformer winding at its points of connection to the respective common terminals, when the autotransformer may be dispensed with.

REFERENCES:
patent: 2763732 (1956-09-01), Rockwell
patent: 3566236 (1971-02-01), Johnson

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