Digital clipping circuit with soft clip characteristics

Details Digital clipping circuit with soft clip characteristics Digital clipping circuit with soft clip characteristics

1989-03-27

1990-05-08

Zazworsky, John

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307555, 307264, 328168, H03K 508

Patent

active

049241214

ABSTRACT:
In a digital clipping circuit for clipping a digital input signal according to the present invention, a comparator compares the digital input signal with a reference signal, and outputs a first comparison signal when the level of the digital input signal is higher than that of the reference signal, and outputs a second comparison signal when the level of the digital input signal is lower than that of the reference signal. A selector selects the reference signal when the selector receives the first comparison signal, and selects the digital input signal when the selector receives the second comparison signal. A compensation signal generator receives the first comparison signal, and outputs a compensation signal for compensating the reference signal selected by the selector. A synthesizer synthesizes the reference signal selected by the selector, and the compensation signal output from the compensation signal generator, thereby to produce a compensated output signal.

REFERENCES:
patent: 3902190 (1975-08-01), Donovan
patent: 4238736 (1980-12-01), Slay
patent: 4326223 (1982-04-01), Yamagiwa et al.
patent: 4382198 (1983-05-01), Ishijima et al.
patent: 4570193 (1986-02-01), Yamashita
patent: 4658305 (1987-04-01), Tsushima
patent: 4717848 (1988-01-01), Rabaey et al.

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