Pulse width forming circuit

Details Pulse width forming circuit Pulse width forming circuit

1998-04-20

1999-10-19

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Rectangular or pulse waveform width control

327176, H03K 3017

Patent

active

059695552

ABSTRACT:
An improved circuit for producing a pulse having a predetermined pulse width. The pulse width forming circuit includes a first delay element for receiving an input pulse and delaying the input pulse by a first delay time, an OR gate for receiving the input pulse at an input terminal and a first delayed pulse signal from the first delay element at another input terminal and adding the first delay time to a pulse width of the input pulse, a second delay element for receiving an output pulse of the OR gate and delaying the output pulse by a second delay time, and an AND gate for receiving the input pulse and a second delayed pulse signal from the second delay element for producing a pulse waveform having a predetermined pulse width whose starting edge corresponds to an end timing of the input pulse and whose stop edge corresponds to an end timing of the second delayed pulse signal.

REFERENCES:
patent: 4077010 (1978-02-01), Ryon
patent: 5055706 (1991-10-01), Nakai et al.
patent: 5264737 (1993-11-01), Oikawa
patent: 5396110 (1995-03-01), Houston
patent: 5672990 (1997-09-01), Chaw
patent: 5764090 (1998-01-01), Yeh et al.

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