SAMPLE AND HOLD CIRCUIT

PROBLEM TO BE SOLVED: To provide a sample and hold circuit.SOLUTION: The circuit comprises: a plurality of switches; a first capacitor; an operational amplifier having a first input selectively coupled to the first capacitor and an output; and a second capacitor and a third capacitor both selectivel...

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Bibliographic Details
Main Authors RAKESH SHIWALE, DOUGLAS A GARRITY, MOHAMMAD NIZAM U KABIR
Format Patent
LanguageEnglish
Published 07.11.2013
Subjects
BASIC ELECTRONIC CIRCUITRY
CODE CONVERSION IN GENERAL
CODING
DECODING
ELECTRICITY
PULSE TECHNIQUE
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Summary:PROBLEM TO BE SOLVED: To provide a sample and hold circuit.SOLUTION: The circuit comprises: a plurality of switches; a first capacitor; an operational amplifier having a first input selectively coupled to the first capacitor and an output; and a second capacitor and a third capacitor both selectively coupled to the first capacitor and both selectively coupled between the first input of the operational amplifier and the output of the operational amplifier. The plurality of switches are configured to receive a plurality of control signals. Thereby, the first capacitor is configured to sample an input signal in a sample phase and to transfer a charge to one of the second capacitor and the third capacitor in a hold phase; and the second capacitor and the third capacitor are configured to alternate holding the transferred charge and resetting in any back-to-back hold phases.
Bibliography:Application Number: JP20130074320