Isolator circuit for an audio system

Details Isolator circuit for an audio system Isolator circuit for an audio system

1991-05-29

1992-09-08

Dwyer, James L.

Electrical audio signal processing systems and devices

Noise or distortion suppression

Interpolation

381 96, 381100, 333172, H04R 300, H03G 500, H03H 700, H04B 1500

Patent

active

051465060

ABSTRACT:
An isolator circuit for an audio system has an operational amplifier provided between a signal source and an amplifier. A capacitor and a resistor connected in series are connected between each input of the operational amplifier and the signal source. A buffer amplifier is provided between the capacitor and the resistor of each input line of the operational amplifier.

REFERENCES:
patent: 3579125 (1971-05-01), Lindblad
patent: 3889136 (1975-06-01), Mohan et al.
patent: 4321428 (1982-03-01), Seki
patent: 4507578 (1985-03-01), Matsuda

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