比较器 Comparator
（重定向自Voltage comparator）
比较器是通过比较两个输入端的电流或电压的大小，在输出端输出不同电压结果的电子组件。比较器常被用于模数转换电路中。
Voltage comparator
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Comparator 比较器
（重定向自Voltage comparator）
In electronics, a comparator is a device that compares two voltages or currents and outputs a digital signal indicating which is larger. It has two analog input terminals 
and 
and one binary digital output 
. The output is ideally
A comparator consists of a specialized high-gain differential amplifier. They are commonly used in devices that measure and digitize analog signals, such as analog-to-digital converters (ADCs), as well as relaxation oscillators.
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