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Amplifier common-mode feedback systems for use with switched-capacitor structures
Amplifier common-mode feedback systems for use with switched-capacitor structures
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机译:与开关电容器结构一起使用的放大器共模反馈系统
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摘要
Improved differential amplifiers are provided for use with switched-capacitor structures. Amplifier embodiments include a differential pair of high-transconductance transistors for generation of differential currents and routing of common-mode feedback signals along an independent path so that sufficient headroom is provided for other high-transconductance transistors that generate common-mode currents. The differential and common-mode currents preferably generate differential and common-mode output signals in finite output impedances of active loads.
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