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METHOD OF PRODUCING LOW-POWER SWITCHED-CAPACITOR AMPLIFIER, CIRCUIT AND A PIPELINE ANALOG-TO-DIGITAL CONVERTER INCLUDING THE SAME
METHOD OF PRODUCING LOW-POWER SWITCHED-CAPACITOR AMPLIFIER, CIRCUIT AND A PIPELINE ANALOG-TO-DIGITAL CONVERTER INCLUDING THE SAME
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机译:生产低功率开关电容器放大器,电路和包括该开关的管道模拟-数字转换器的方法
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摘要
A switched-capacitor amplifier comprises an operational amplifier (op-amp), a first capacitor, a second capacitor, a third capacitor, a fourth capacitor and a plurality of switches connected to these capacitors. The first capacitor equals the third capacitor, the second capacitor equals the fourth capacitor, and the first capacitor is asymmetric to the second capacitor, the third capacitor is asymmetric to the fourth capacitor. A ratio of the first capacitor and the second capacitor is a function of a simulated parasitic capacitance of the switched-capacitor amplifier, a simulated DC gain of the operational amplifier, and a target gain of the switched-capacitor circuit.
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