High frequency charge pump/integrator circuit

Details High frequency charge pump/integrator circuit High frequency charge pump/integrator circuit

1987-05-13

1989-01-17

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307297, H03K 301

Patent

active

047989734

ABSTRACT:
A dropping resistor and a pair of differential current steering pairs coupled to the resistor with each operable to draw and cease drawing current through the resistor in response to associated corresponding input signals. An integrator is coupled through an emitter follower to one end of the resistor for integrating the current due to the difference in voltage from that voltage established when only one of the pair draws current through the resistor. Preferably the resistor is integrated on a semiconductor chip together with the remainder of the charge pump and integrator circuitry.

REFERENCES:
patent: 3432650 (1969-03-01), Thompson
patent: 3621281 (1969-09-01), Hagen
patent: 4374335 (1983-02-01), Fukahori et al.
patent: 4687953 (1987-08-01), Varadarajan

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