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Low voltage amplifier architecture for high speed switched capacitor circuits
|dc.description||Due to the character of the original source materials and the nature of batch digitization, quality control issues may be present in this document. Please report any quality issues you encounter to email@example.com, referencing the URI of the item.||en_US|
|dc.description||Includes bibliographical references (leaf 73).||en_US|
|dc.description||Issued also on microfiche from Lange Micrographics.||en_US|
|dc.description.abstract||This work concentrates on circuit realization of high speed and low voltage switched capacitor circuits, with emphasis on the operational transconductance amplifier (OTA). An overview of switched capacitor circuits is given. Speed and voltage requirements of OTA's used in switched capacitor circuits are discussed. An OTA architecture, suitable for low voltage supplies and standard CMOS processes, is proposed. This architecture makes use of common mode feedforward (CMFF). The benefits of CMFF are studied in detail. It is shown how CMFF can improve the performance of pseudo-differential OTA's. An OTA based on the proposed architecture is designed in a 0.5 m CMOS process available from MOSIS. Simulation results of the amplifier are presented. A switched capacitor filter making use of the designed OTA was fabricated and tested. The testing methodology is described and the results are presented.||en_US|
|dc.publisher||Texas A&M University||en_US|
|dc.rights||This thesis was part of a retrospective digitization project authorized by the Texas A&M University Libraries in 2008. Copyright remains vested with the author(s). It is the user's responsibility to secure permission from the copyright holder(s) for re-use of the work beyond the provision of Fair Use.||en_US|
|dc.subject||Major electrical engineering.||en_US|
|dc.title||Low voltage amplifier architecture for high speed switched capacitor circuits||en_US|
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