Pulse generator circuit and method

Details Pulse generator circuit and method Pulse generator circuit and method

1993-09-03

1995-03-07

Sikes, William L.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Rectangular or pulse waveform width control

327263, 327294, H03K 1728, H03K 1921, H03K 700

Patent

active

053961102

ABSTRACT:
A pulse generator circuit 20 is disclosed herein. An asymmetric delay element 22 is coupled to one of the inputs of a logic element 24, such as a NAND gate. For the asymmetric delay 22, the time to propagate a transition from a high level to a low level is different then the time to propagate a transition from a low level to a high level. The input of the asymmetric delay element 22 is coupled to another of the inputs of the logic gate 24. The pulse generator circuit 20 of the present invention generates a pulse at its output OUT when a signal applied to its input IN transitions from a first signal level to a second signal level.

REFERENCES:
patent: 3835336 (1974-09-01), Block
patent: 4061975 (1977-12-01), Sugai
patent: 4583008 (1986-04-01), Grugett
patent: 5055706 (1991-10-01), Nakai et al.
patent: 5103114 (1992-04-01), Fitch
patent: 5198719 (1993-03-01), Houston

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