The toroidal core was excited by sharp pulse current. The sensor circuit is composed of peak value detector, Butterworth low-pass filter and differential amplifier.
2
高频变压器设计部分通过面积乘积法算得变压器的磁芯型号、绕线规格和绕制方法。
The high frequency transformer is designed by the AP method. The type of magnetic core, wire guage and the coiling method are computed by the AP method.
3
采用超磁致伸缩材料作为阀芯的高频响应元件,及精心设计的阀驱动电路,以提高电磁阀的响应频率;
Response frequency is increased by giant magnetostrictive material as valve core component and elaborate designed drive circuit.