Adjustable duty cycle clock generator

Details Adjustable duty cycle clock generator Adjustable duty cycle clock generator

1995-04-18

1997-06-10

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Rectangular or pulse waveform width control

327176, 327299, 327 35, H03K 514, H03K 5159, H03K 504

Patent

active

056380160

ABSTRACT:
An adjustable duty cycle clock generator has first and second delay lines coupled to receive an input clock and cascaded to first and second edge detectors, respectively. The second delay line has a programmable delay and the first and second edge detectors are further coupled to set and reset inputs on an S-R latch to generate an adjustable duty cycle clock with independently adjustable high and low times proportional to the induced delays of the first and second delay lines.

REFERENCES:
patent: 4051390 (1977-09-01), Reeves
patent: 4141033 (1979-02-01), de Boer
patent: 4675546 (1987-06-01), Shaw
patent: 4985640 (1991-01-01), Grochowski et al.
patent: 5317202 (1994-05-01), Waizman
patent: 5336939 (1994-08-01), Eitrheim et al.
patent: 5359232 (1994-10-01), Eitrheim et al.
patent: 5418485 (1995-05-01), Duret et al.

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