Switched capacitor filter

Details Switched capacitor filter Switched capacitor filter

1984-04-06

1985-08-27

Mullins, James B.

Amplifiers

With plural amplifier channels

Amplifying different frequencies in different channels

330 51, 330 84, H03F 368

Patent

active

045381135

ABSTRACT:
A band-pass filter includes an arrangement of individual filter sections and means for weighting and summing the band-pass functions of the filter sections such that the active conjugate pole pairs are arranged in the z plane on a circle concentric to the unit circle and spaced by equal angles with the exception of corrector poles, which are spaced by half-angle increments from the adjacent poles. In the embodiment of the invention described, the filter sections are in the form of digitally controlled switched capacitor filters.

REFERENCES:
patent: 3769604 (1973-10-01), Atkinson
patent: 4117413 (1978-09-01), Moog

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