Non-integer programmable counter

Details Non-integer programmable counter Non-integer programmable counter

1983-02-24

1984-09-11

Rubinson, Gene Z.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340348, 34082548, 34082574, H04M 126

Patent

active

044711700

ABSTRACT:
An I.sup.2 L non-integer programmable counter is provided that has a high frequency precision that uses feedback to adjust count length. A first divider adapted to receive a clock signal having a first frequency and an input signal, provide a signal having a second frequency substantially equal to the clock signal divided by a number. A second divider is coupled to the first divider for providing a stepped sine wave through a digital-to-analog converter. The first divider is responsive to both the input signal and feedback from the second divider so that the number may be a non-integer.

REFERENCES:
patent: 4061886 (1977-12-01), Callahan, Jr. et al.
patent: 4110567 (1978-08-01), Boucher

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