Monostable multivibrator and FM detector circuit employing diffe

Details Monostable multivibrator and FM detector circuit employing diffe Monostable multivibrator and FM detector circuit employing diffe

1979-01-12

1981-09-29

Heyman, John S.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307273, 307280, 307547, 307315, H03K 508, H03K 3033

Patent

active

042925495

ABSTRACT:
A monostable multivibrator circuit including a time constant circuit which includes a capacitor, an amplifier circuit which receives an output signal of the time constant circuit, and a positive feedback circuit which is connected between an output end of the amplifier circuit and an input end of the time constant circuit, characterized in that a trigger circuit is incorporated in a part of a circuit loop which is constructed of the time constant circuit, the amplifier circuit and the positive feedback circuit, the trigger circuit comprising an emitter-follower transistor which receives a feedback signal, another emitter-follower transistor which receives a trigger signal and whose emitter is connected to an emitter of the first-mentioned emitter-follower transistor in common, and a constant-current circuit which supplies a constant current to the emitters connected in common. Thus, the monostable multivibrator circuit can provide a predetermined pulse signal without any interference attributable to a trigger input circuit.

REFERENCES:
patent: 3124706 (1964-03-01), Alexander
patent: 3140446 (1964-07-01), Myers et al.
patent: 3143658 (1964-08-01), Woods et al.
patent: 3193706 (1965-07-01), Creamer et al.
patent: 3755693 (1973-08-01), Lee
patent: 3828206 (1974-08-01), Zuk
patent: 3883756 (1975-05-01), Dragon

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