Precision device for soft clipping AC and DC signals

Details Precision device for soft clipping AC and DC signals Precision device for soft clipping AC and DC signals

1988-05-25

1989-10-31

Zazworsky, John

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307561, 307494, 330110, H03K 508

Patent

active

048779814

ABSTRACT:
A soft clipping circuit particularly suited for use with audio signals avoids the need to use non-linear diode characteristics to determine the amount of clipping that is provided. A diode switching circuit which includes constant current sources is used to determine the output voltage of an amplifier at which clipping is to begin. Once this voltage is reached, the switching circuit disconnects the amplifier from a signal output terminal. At this time, the signal at the output terminal is determined solely by the values of resistors in a resistive dividing network connected between a signal input terminal and the output terminal.

REFERENCES:
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patent: 3621227 (1971-11-01), Tsuda et al.
patent: 3736515 (1973-05-01), Kadron et al.
patent: 3776381 (1973-12-01), Wood
patent: 3928774 (1975-12-01), Wilson
patent: 3932817 (1976-01-01), Rogers
patent: 4147989 (1979-04-01), Brolde
patent: 4495428 (1985-01-01), Ishigaki

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