Pulse signal generation circuit and pulse signal generation meth

Details Pulse signal generation circuit and pulse signal generation meth Pulse signal generation circuit and pulse signal generation meth

1997-11-18

1999-12-14

Malzahn, David H.

Electrical computers: arithmetic processing and calculating

Electrical digital calculating computer

Pulse repetition rate

377 48, H03K 2348

Patent

active

060030534

ABSTRACT:
A pulse signal generation circuit comprises a frequency setting register which is at least (n+1) bits long for setting a value of 2.sup.n or smaller as a frequency value of a pulse signal to be generated, and a cumulative addition circuit having an adder and a flip-flop which is at least (n+1) bits long. The cumulative addition circuit repeats at a rate of 2.sup.n+1 times per second, operations of making the adder add a value set in the frequency setting register to a value held in the flip-flop and then making the flip-flop hold the addition result, and outputs a signal having a value of (n+1)th bit in the flip-flop as the pulse signal.

REFERENCES:
patent: 4559613 (1985-12-01), Murphy et al.
patent: 4991188 (1991-02-01), Perkins
patent: 5473553 (1995-12-01), Thierry

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