Variable pulse width precision pulse generator

Details Variable pulse width precision pulse generator Variable pulse width precision pulse generator

1990-11-21

1993-06-15

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307360, 307494, 307228, 328 58, 328127, 328146, H03K 504, H03K 522, H03K 408, G06G 718

Patent

active

052202038

ABSTRACT:
A variable pulse width precision pulse generator includes a constant current source for producing a number of different constant currents; a charge storage device whose voltage output is proportional to the charge stored; and gating means responsive to an input signal for controlling the time during which the constant current source charges the charge storage device to produce a ramp voltage; a first comparator responsive to the voltage ramp for detecting a first level of the ramp; a second comparator responsive to the voltage ramp for detecting a second level of the ramp; and logic means responsive to the comparators for providing a precision pulse during the presence of the input signal between the occurrence of the detection of the first and second levels of the ramp by the comparators.

REFERENCES:
patent: 3708765 (1972-01-01), Salamon et al.
patent: 3820029 (1974-06-01), McKinley
patent: 3961271 (1976-06-01), Zlydak et al.
patent: 4820940 (1989-04-01), Wachi et al.
patent: 5045800 (1991-09-01), Kung

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