Programmable frequency divider
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United States of America Patent
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Nov 12, 1991
Grant Date -
N/A
app pub date -
Feb 21, 1990
filing date -
Oct 23, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A programmable frequency divider for dividing the frequency of a supplied high-frequency signal directly into a lower frequency includes a plurality of 2-scale-factor prescalers or programmable frequency divider units each capable of being switched between divide-by-2 and divide-by-3 modes. The 2-scale-factor prescalers are connected in cascade for producing an output signal which is frequency-divided at one of multiple division ratios at a time.
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