Pulse control circuit

Details Pulse control circuit Pulse control circuit

1981-01-16

1983-12-27

Heyman, John S.

Electrical pulse counters, pulse dividers, or shift registers: c

Counting or dividing in incremental steps

Beam type tube

377 44, 377 48, H03L 718

Patent

active

044233817

ABSTRACT:
A frequency synthesizer or a circuit for deleting cycles from a wave source includes a dual modulus counter responsive to a reference frequency source of the synthesizer or waves of the source. The dual modulus counter selectively decreases the number of cycles of the source by the factors K.sub.2 and (K.sub.2 +1). A frequency divider divides the frequency of the source by a third factor L to derive an output wave. The dual modulus counter is activated so it divides by K.sub.2 +1, whereby the dual modulus counter derives an output signal having a frequency F.sub.0 =F.sub.in /K.sub.2 (1-1/L), where F.sub.in equals the frequency of the source, L is an integer and K.sub.2 is an integer greater than L.

REFERENCES:
patent: 3949290 (1976-04-01), McClaskey
patent: 3949304 (1976-04-01), McClaskey
patent: 3976945 (1976-08-01), Cox
patent: 3982199 (1976-09-01), Green
patent: 4031476 (1977-06-01), Goldberg
patent: 4077008 (1978-02-01), Rast et al.
patent: 4296407 (1981-10-01), Minakuchi
patent: 4316151 (1982-02-01), Ooms
patent: 4325031 (1982-04-01), Ooms et al.

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