Shoot-through protection circuit for improved stability in a neu

Details Shoot-through protection circuit for improved stability in a neu Shoot-through protection circuit for improved stability in a neu

1993-06-07

1995-03-28

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Synthesizer

327 74, 327384, H03L 716

Patent

active

054020832

ABSTRACT:
This invention provides for an enabling circuit that ensures a positive turn-on of semiconductor switches configured for the generation of a synthesized waveform, thereby eliminating misfiring of the switches due to electronic noise or logic malfunction. The circuit is configured to separately compare a sample waveform with a positive reference voltage and a negative reference voltage. The two results are directed to separate logic AND gates which have respective control signal inputs that regulate the formation of the positive and negative portion of a synthesized waveform. The output signals from the two AND gates connect to logic means to control the firing of the semiconductor switches.

REFERENCES:
patent: 3639779 (1972-02-01), Garrigus
patent: 3820033 (1974-06-01), Iwata
patent: 4069432 (1978-01-01), Bazin
patent: 4165491 (1979-08-01), Geffon
patent: 4733104 (1988-03-01), Steigerwald et al.
patent: 4771188 (1988-09-01), Cheng et al.
patent: 4924483 (1990-05-01), Cho
patent: 5045800 (1991-09-01), Kung

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