Stereo amplifier circuit for bichannel signals

Details Stereo amplifier circuit for bichannel signals Stereo amplifier circuit for bichannel signals

1983-12-12

1985-08-20

Mullins, James B.

Amplifiers

Sum and difference amplifiers

330 84, 330147, 330148, 330252, 330295, H03F 345

Patent

active

045367167

ABSTRACT:
A stereo amplifier circuit which comprises a first circuit responsive to a first input signal and to a second input signal for generating a first output signal which corresponds to the potential difference between the first and second input signals, a second circuit responsive to the first and second input signals for generating a second output signal which corresponds to the potential difference between the second and first input signals, a third circuit responsive to the first and second input signals for generating a third output signal which corresponds to the sum of the first and second input signals. The third output signal contains signal components being antiphasic to the first and second input signals. An output terminals are coupled to the first to third circuit, which are used for providing a first differential output signal corresponding to the potential difference between the first and third output signals, and providing a second differential output signal corresponding to the potential difference between the second and third output signals.

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