DEVICES ON SWITCHED CAPACITORS
Keywords:
Metal–oxide–semiconductor, MOS field-effect transistor (MOSFET), Management information system (MIS)Abstract
A switched capacitor (SC) is an electronic circuit element implementing a filter. It works by moving charges into and out of capacitors when switches are opened and closed. Usually, non-overlapping signals are used to control the switches, so that not all switches are closed simultaneously. Filters implemented with these elements are termed "switched-capacitor filters" and depend only on the ratios between capacitances. This makes them much more suitable for use within integrated circuits, where accurately specified resistors and capacitors are not economical to construct.
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