Digital oscillator for generating two fixed pulse signals from o

Details Digital oscillator for generating two fixed pulse signals from o Digital oscillator for generating two fixed pulse signals from o

1998-05-06

2000-07-04

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Synthesizer

327 49, 327166, 327176, 327298, H03B 2100

Patent

active

060844426

ABSTRACT:
In order to use a digital oscillator to generate a target frequency ZT with a "high" or "low" level constant in time from a working clock by variable division by a first division factor, two divider circuits which can be respectively triggered by the positive or the negative edges of a working clock, and to which a control word can be directed alternately by means of a first controlled switch, and which are connected on their output sides to a second controlled switch to obtain a clock pulse. To that end each divider circuit has a logic module which detects the occurrence of the edge of the control word and stores this event, with this event triggering a division by a second division factor.

REFERENCES:
patent: 4547751 (1985-10-01), Nakata et al.
patent: 5136180 (1992-08-01), Caviasca et al.
patent: 5817949 (1998-10-01), Brown

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