The shift trigger pulse of the thyristor trigger circuit with integration amplifier is generated by comparing directly principle of three-phase AC and shift-phase control voltage.
该晶闸管触发器采用集成运数放大器，移相触发脉冲的形成是根据三相交流电的各相与移相控制电压直接比较原理实现的。
The simulation results show that the amplifier of improved control circuit not only solve the question of output DC offset, but also keep the voltage gain lowered by voltage compensation technique.
仿真结果表明，改进控制电路后的系统不但解决了输出直流偏置问题，而且解决了电压补偿方法所造成的放大器增益下降问题。
First, rectified DC voltage are compared with the given value and subtraction, and then obtained voltage control value after get through a low-pass filtering and the error amplifier.
首先将整流直流电压的测量值与给定值进行比较并相减，再经过具有低通滤波功能的误差放大器后得到电压控制量。
It presents a system of voltage measurement with self-scale, based on the program control amplifier controlled by the single chip computer.
提出一种自动量程切换电压测量系统的设计方法，该系统基于程控增益放大器器件，使用单片机控制其增益实现量程的自动切换。
It presents a system of voltage measurement with self-scale, based on the program control amplifier controlled by the single chip computer.
提出一种自动量程切换电压测量系统的设计方法，该系统基于程控增益放大器器件，使用单片机控制其增益实现量程的自动切换。
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