Switched capacitor circuit

Details Switched capacitor circuit Switched capacitor circuit

1994-09-23

1996-02-27

Shoop, Jr., William M.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific input to output function

By integrating

327554, 327379, 327437, 307109, H03K 1716

Patent

active

054951992

ABSTRACT:
A switched capacitor circuit includes a capacitor, a MOS switch and a timing generating circuit. The MOS switch is connected with the capacitor in series for discharging electric charges which are charged into the capacitor. The MOS switch includes a plurality of MOS transistors which are parallelly connected with each other. The timing generating circuit generates timing signals to the MOS switch so that the MOS transistors are turned on one after another in response to each timing signal. Sampling noise is reduced because an ON-state resistance of the MOS switch is transiently high.

REFERENCES:
patent: 4446390 (1984-05-01), Alaspa
patent: 4467225 (1984-08-01), Tanaka
patent: 4611135 (1986-09-01), Nakayama
patent: 4803382 (1989-02-01), Tanimoto et al.

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