Area-optimized analog filter with bandwidth control by a quantized scaling function
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United States of America Patent
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Aug 26, 2014
Grant Date -
Feb 2, 2012
app pub date -
Jan 13, 2011
filing date -
Jan 13, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A programmable active frequency-selective circuit includes a first capacitor having a fixed value and a second capacitor coupled in parallel to the first capacitor and having a plurality of switchable capacitors connected in parallel to each other. The programmable active frequency-selective circuit further includes a plurality of switches each being associated with one of the switchable capacitors, and a control port coupled to the switches. The capacitors may be varied to account for processing variations that occur during manufacturing of the programmable active frequency-selective circuit. The capacitors values may also be varied to change the bandwidth and/or gain of the programmable active frequency-selective circuit.
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Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Feb 26, 2026 |
