Variable frequency divider

Details Variable frequency divider Variable frequency divider

1984-03-23

1986-08-12

Miller, Stanley D.

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

Systems

Pulse multiplication or division

377 72, 377 73, 377 54, 377108, H03K 2106

Patent

active

046060596

ABSTRACT:
A variable frequency divider which includes a feedback shift register having a feedback gate of NOR type, a delay shift register for delaying output data from the feedback shift register by one clock, a control shift register having a control gate of AND type, a feedback circuit for feeding output data from the delay shift register and from the control shift register back to the feedback gate, and an expander which receives output data from the feedback shift register and produces a control signal according to said frequency dividing input and a frequency division ratio instruction signal. The control gate receives output data from the delay shift register and the control signal.

REFERENCES:
patent: 3745315 (1973-07-01), Brendzel
patent: 3987313 (1976-10-01), Pfleiderer et al.
patent: 4354188 (1982-10-01), Schneider
patent: 4390960 (1983-06-01), Yamashita et al.
Japanese Patent Disclosure (Kokai) No. 54-46463, Dec. 1983.

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