Flexible monolithic continuous-time analog low-pass filter with minimal circuitry
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United States of America Patent
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Feb 5, 2002
Grant Date -
N/A
app pub date -
Oct 20, 2000
filing date -
Oct 20, 2000
priority date (Note) -
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Abstract
A completely tunable second order low-pass filter with minimal active circuitry is disclosed. The filter provides a very flexible choice of filter parameters such as cutoff frequency, DC gain, and Q factor, by selecting appropriate resistor values for a single integrated circuit with much lower capacitance, capacitance ratio, and active circuitry than other standard low-pass circuit configurations.
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