One shot multivibrator circuit

Details One shot multivibrator circuit One shot multivibrator circuit

1975-05-09

1976-12-07

Heyman, John S.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307246, 307279, 307297, H03K 3284, H03K 3353, H03K 1760, H03K 102

Patent

active

039964825

ABSTRACT:
An improved one shot multivibrator circuit is described which is particularly adapted for use with field-effect transistor (FET) manufacturing techniques such as metal oxide semiconductor (MOS) large scale integration (LSI) manufacturing techniques. Such a one shot multivibrator circuit is particularly adapted for FET application because the period of its output pulse is independent of the threshold voltages of the transistors used in the circuit design. The one shot multivibrator circuit comprises a capacitor for fixing the period of the output pulse; a bias network including a current mirror as a constant current source for charging the capacitor; a first inverter stage comprising a switching transistor and a load transistor for controlling the charging and discharging of the capacitor; and a second inverter stage as the output stage for providing the output pulse having its turn-on controlled by the first inverter stage and its turn-off controlled by the voltage level on the capacitor.

REFERENCES:
patent: 3678407 (1972-07-01), Ahrons
patent: 3691537 (1972-09-01), Burgess
patent: 3719835 (1973-03-01), Eberhard
patent: 3770987 (1973-11-01), McSweeney

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