Digital frequency divider
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United States of America Patent
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Oct 13, 1981
Issued Date -
N/A
app pub date -
Sep 14, 1979
filing date -
Sep 20, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A simple and reliable digital frequency divider for non-integer rational divisors using a signal polarity switch commanded by an auxiliary counter which derives its counting pulses from a main N-position counter. For such complex divisors the generation of phase leads by toggling the signal polarity switch can be delayed or some phase leads can be suppressed by using relatively low-frequency delay pulses, to avoid large auxiliary counters. Video timing circuits are described based on digital frequency dividers of such types.
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