Repeatable finite and infinite impulse response integrated circuit structure
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United States of America Patent
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Jan 23, 1996
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N/A
app pub date -
Feb 14, 1994
filing date -
Feb 14, 1994
priority date (Note) -
Expired
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Abstract
A repeatable finite anti infinite impulse response integrated circuit structure has a plurality of filter units programmably interconnected, with each filter unit having a pair of repeatable cells. Each cell has a coefficient stage for receiving a filter coefficient, a mixer stage for multiplying a selected one of a plurality of input signals by the filter coefficient, an accumulator stage for selectively delaying an input accumulation signal, and a summation stage for adding the input accumulation signal to the weighted signal to produce an output accumulation signal. With appropriate programming many desired finite/infinite impulse response filter configurations may be achieved.
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