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A Novel Low-Voltage Cross-Coupled Passive Sampling Branch for Reset- and Switched-Opamp Circuits
Sai-Weng Sin1,2; Seng-Pan U1,2; R.P.Martins1,2
2005
Conference NameIEEE International Symposium on Circuits and Systems (ISCAS)
Source Publication2005 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS (ISCAS), VOLS 1-6, CONFERENCE PROCEEDINGS
Pages1585-1588
Conference DateMAY 23-26, 2005
Conference PlaceKobe, JAPAN
Abstract

This paper proposes a novel cross-coupled passive input sampling branch that can be applied to low-voltage switched- and reset-opamp circuits. The proposed circuit allows the direct passive interface from the external input signal to the 1st stage switched- and reset-opamp, directly providing a sample-and-hold-andreset output without the use of an extra-stage of opamps as in the case of traditional interface designs that implement only track-and-reset output, thus saving one front-stage opamp power. Simulations with real switches in 1-V supply voltage are presented to verify the effectiveness of the proposed circuit.

KeywordSampling Methods Switched Capacitor Circuits Signal Processing Transient Analysis Silicon Compounds Switching Circuits Switches Circuit Simulation Threshold Voltage Signal Design
DOIhttp://doi.org/10.1109/ISCAS.2005.1464905
Indexed BySCI
Language英语
WOS Research AreaEngineering
WOS SubjectEngineering, Electrical & Electronic
WOS IDWOS:000232002401185
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Cited Times [WOS]:9   [WOS Record]     [Related Records in WOS]
Document TypeConference paper
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Faculty of Science and Technology
Affiliation1.Analog and Mixed Signal VLSI Laboratory
2.Faculty of Science and Technology, University of Macau, Av. Padre Tomás Pereira S.J., Macao, China
First Author AffilicationFaculty of Science and Technology
Recommended Citation
GB/T 7714
Sai-Weng Sin,Seng-Pan U,R.P.Martins. A Novel Low-Voltage Cross-Coupled Passive Sampling Branch for Reset- and Switched-Opamp Circuits[C],2005:1585-1588.
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