Multi-impedance output for transistor power amplifier

Details Multi-impedance output for transistor power amplifier Multi-impedance output for transistor power amplifier

1974-07-25

1976-04-20

Mullins, James B.

Amplifiers

Modulator-demodulator-type amplifier

330 18, 330195, H03F 326

Patent

active

039522563

ABSTRACT:
An audio amplifier with a transistorized power output stage furnishes an amplified audio signal to an autotransformer. The autotransformer has a plurality of taps to permit the selection of any of a plurality of output impedance levels. The autotransformer is wound on a bobbin in a novel manner so as to minimize distortion of the audio signal.

REFERENCES:
patent: 2932800 (1960-04-01), Bereskin
patent: 3478274 (1969-11-01), Laurent et al.

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