Based on relation between electromagnetism force and coil circuit of high speed solenoid, The solenoid drive circuits are designed based on PWM controlled type.
以电磁铁的电磁吸力与电磁铁线圈的电流的关系为基础，设计基于PWM控制方式的电磁阀驱动电路。
A method of designing slowly-scanning circuits is described and a new type of deflection coil that can offer a uniform deflecting magnetic field is proposed.
本文叙述了慢扫描电路的设计方法，提出了一种新型偏转线圈结构，它能获得均匀的偏转磁场。
The role of circuits in this part is to sense signals sent in vitro through receiving coil coupling, and then two paths of primary signals are demodulated to be transmitted to a stimulation electrode.
这部分电路的作用是通过接收线圈耦合感应出体外发射来的信号，然后再解调出两路原始信号传输给刺激电极。
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