Voltage level setting circuit

Details Voltage level setting circuit Voltage level setting circuit

1988-02-09

1989-08-22

Zazworsky, John

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307359, 307555, 358 34, 358171, H03K 501, H04N 972, H04N 516

Patent

active

048598712

ABSTRACT:
A voltage level setting circuit sets a voltage level of a predetermined portion of an input signal received through a coupling capacitor to a desired reference voltage level suited for a signal processing which is carried out in a signal processing circuit, where the voltage level of the predetermined portion is used as a reference level of the input signal. The voltage level setting circuit comprises a charge injecting circuit for injecting a quantity of charge to a node between the coupling capacitor and the signal processing circuit, and a control circuit for controlling the injection of charge by the charge injection circuit responsive to a signal from the signal processing circuit so that the voltage level of the predetermined portion at the node is set to the desired reference voltage level.

REFERENCES:
patent: 3207998 (1965-09-01), Corney et al.
patent: 4293874 (1981-10-01), Reneau
patent: 4371896 (1983-02-01), Shanley, II et al.
patent: 4644198 (1987-02-01), Ahmed
patent: 4651213 (1987-03-01), Takimoto
patent: 4700085 (1987-10-01), Miwada

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