Stable pulse width control for astable multivibrators and the li

Details Stable pulse width control for astable multivibrators and the li Stable pulse width control for astable multivibrators and the li

1975-03-24

1976-04-06

Grimm, Siegfried H.

Oscillators

Solid state active element oscillator

Transistors

178DIG15, 331144, H03K 3283

Patent

active

039493229

ABSTRACT:
A pulse generator circuit including first, second and third transistors in which the first and second transistors are associated with resistors and capacitors to form an astable multivibrator coupled power supply. The third transistor is connected between the astable multivibrator and a variable resistor, the latter being connected to the power supply and adapted to control the pulse width of an output signal derived from the astable multivibrator whereby the pulse width of the output signal is controlled to be substantially uniform regardless of changes in the power supply voltage and ambient temperature.

REFERENCES:
patent: 3483484 (1969-12-01), Luetze
patent: 3593278 (1971-07-01), Bower

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