Method and circuit arrangement for shaping a signal waveform

Details Method and circuit arrangement for shaping a signal waveform Method and circuit arrangement for shaping a signal waveform

1980-11-14

1983-01-04

Zazworsky, John

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307359, 307555, 328164, 3401463AC, H03K 508

Patent

active

043674410

ABSTRACT:
An input signal is applied to a clamping circuit where the level of the input signal is clamped at a desired base line voltage in response to a clamping control signal. The clamping control signal is a pulse train signal, and pulses are applied to the clamping circuit only when the level of the output signal of the clamping circuit is within a given range. Therefore, when the level rising rate or speed is low, the level of the input signal is intermittently clamped so that the output signal level is maintained close to the base line voltage. When the level rising rate exceeds a given value, clamping is not performed so that the output level follows the input level. In order to see whether the level of the output signal is within the given range or not, a reference voltage which is higher than the base line voltage is used when shaping a two-level signal. If the input signal is of three-level, another reference voltage, which is lower than the base line voltage, is additionally used.

REFERENCES:
patent: 3504289 (1970-03-01), Pfeiffer et al.
patent: 3714591 (1973-01-01), Allington
patent: 3772604 (1973-11-01), Hogg et al.
patent: 4237424 (1980-12-01), Weiner

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