电流放大器作用就是根据电流指令向感性电流负载提供电流，本质上就是受控电流源。电流放大器一般是由电源、电力电子电路、感性负载、控制器等四个部分构成，采用输出电流闭环控制。
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... 电流表；安培计 ammeter 电流放大器 current amplifier 电流增益 current gain ...
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不过，电流放大器总是设法对电流进行一定的放大。
However, a current amplifier always tries to multiply the current by a set amount.
线圈回路中串接有由电容和电流放大器组成的控制电路。
A control circuit which is composed of a capacitor and a current amplifier is connected in a coil circuit in series.
提出采用超前校正和负反馈校正提高电流放大器输出电流响应速度方法。
Two kinds of methods such as lead net rectification and negative feedback rectification are proposed, which can increase the output current speed of the current amplifier.
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