Control circuit for an oscillator

Details Control circuit for an oscillator Control circuit for an oscillator

1991-12-23

1993-02-16

Mis, David

Oscillators

Solid state active element oscillator

Transistors

331144, H03B 524

Patent

active

051874520

ABSTRACT:
A control circuit for an oscillator comprising a multivibrator with transistors having their emitters connected in common and being supplied corresponding currents on respective legs, comprises a circuit structure adapted to produce on output terminals, on the one side, a current which is proportional to a reference current according to a predetermined parameter, and on the other side, a second current in turn correlated to the reference current as a function of said parameter, thereby to modify the oscillator duty cycle for a given operating frequency.

REFERENCES:
patent: 4292605 (1981-09-01), Rodgers, III
"Analysis and Design of Analog Integrated Circuits", pp. 590-593, published by Wiley, 1977.

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