Pulse train generator

Details Pulse train generator Pulse train generator

1974-08-02

1976-03-23

Miller, Jr., Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307235J, 307296, H03K 1700

Patent

active

039462536

ABSTRACT:
A circuit is disclosed for generating a periodic pulse train having any fixed desired duty cycle from a periodic input signal which may be either analog or digital. The input signal is fed to a transistor amplifier whose bias can be varied. The output of the transistor amplifier is coupled to an amplifying element whose possible voltage swing is limited to provide the desired pulse train. The desired pulse train from the amplifying element is coupled through a low-pass filter prior to comparison with a reference voltage in a differential amplifier. The voltage difference at the output of the differential amplifier adjusts the bias of the transistor amplifier such that the voltage of the low pass filtered desired pulse train is very close to the reference voltage.

REFERENCES:
patent: 3206689 (1965-09-01), Santana
patent: 3292096 (1966-12-01), Deneen, Jr.
patent: 3484704 (1969-12-01), Hungerford
patent: 3488604 (1970-01-01), Smilowitz

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