在具体的电路设计中，主要研究设计了一个开关电容比较器、一个两级运算放大器、数字校正电路和一个时钟提升电路。
For circuits design, the thesis designs a switch capacitor comparator circuit, a two stage amplifier, a digital correction circuit and a clock pump-up circuit.
当充电时，一个电压比较器就不断地将通过电容器的电压和一个参照电压进行比较。
While it is charging, a voltage comparator constantly compares the voltage across the capacitor to a reference voltage.
电容式油量传感器由于结构简单、工作可靠，因此使用的比较广泛。
The capacitor-type fuel quantity sensor is used more widely because of its simple structure and reliability.
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