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在许多仪器的测量及控制线路中,需要对两个电压信号进行相互比较,并根据比较的结果来输出(或不输出)控制信号。我们把这种线路叫做电压比较控制器。下面介绍一种这样的实用线路。它由电压比较器、开关电路、振荡器及整形器等组成(图1)。两个输入信号电压(须进行比较的两电压)V_1及V_2,首先在电压比较器进行比较。如果V_1V_2, 则电压比较器输出的电位
In many instrument measurement and control circuits, the two voltage signals need to be compared with each other and the control signals are output (or not output) according to the comparison result. We call this circuit voltage comparator. Here’s one such practical line. It consists of voltage comparators, switching circuits, oscillators and shapers and other components (Figure 1). The two input signal voltages (the two voltages to be compared), V_1 and V_2, are first compared at the voltage comparator. If V_1 V_2, the voltage comparator output potential