Pulse width generating circuit synchronized with clock signal an

Details Pulse width generating circuit synchronized with clock signal an Pulse width generating circuit synchronized with clock signal an

1985-07-29

1989-08-18

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307246, 307265, 307494, 307352, 307362, 328127, 328151, H03K 317, H03K 522, H03K 5159, H03K 500

Patent

active

046879986

ABSTRACT:
A pulse generating circuit is provided for generating a pulse having a time width synchronized with an input pulse and corresponding to a reference voltage. The circuit is particularly designed not to be affected by parasitic capacitance. A circuit for charging one electrode of an integrating circuit with a constant current is controlled by turning on or off a switch in response to the input pulse. The other electrode of the integrating capacitor is connected with a reference voltage source by driving a switch in response to a pulse having a pulse width which contains the time period of the input pulse and which is wider than the input pulse. A comparator is provided for comparing the potential at one electrode of the integrating capacitor and ground potential. A desired pulse is generated by a logic circuit which is receives both the output of the comparator and the input pulse.

REFERENCES:
patent: 3390347 (1968-06-01), Jones et al.
patent: 3512140 (1970-05-01), Yokozawa et al.
patent: 3719834 (1973-03-01), Dao
patent: 3778725 (1973-12-01), Spaargaren et al.

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