Voltage detection and control circuit
一种电压检测、控制电路的技术,应用在测量电流/电压、测量装置、电气元件等方向,能够解决输入信号放大倍数变化、固定增益放大器电路应用隐患、影响动态放大器增益等问题,达到检测范围大、适用范围广的效果
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[0042] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0043] Such as image 3 As shown, the present invention includes a reference voltage output buffer module 402, a voltage operation module 403 and a comparator module 404, and the input terminal of the reference voltage output buffer module 402 is connected to the reference voltage V ref , whose output outputs the buffered reference voltage V refbuf To the second input terminal of the voltage calculation module 403; the first input terminal of the voltage calculation module 403 is connected to the external adjustment voltage V Y , under the control of the external clock signal clk, the signals at the first input terminal and the second input terminal are processed to obtain a comparison signal V det =V Y -V refbuf output to the first input of the comparator module 404; the second input of the comparator module 404 is connected to the voltage...
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