In the light of circuit principles, the author has mathematically ascertained that the contact resistance in an integrated circuit has little effect on the accuracy of output signals from the bridge.
本文由电路原理和数学方法推导出集电装置的接电阻对电桥输出信号精度的影响非常小的结论。
2
The two-arm bridge measuring low resistancecircuit of MCU control, multivibrator measuring electric capacity, auxiliary leveling bridge circuit, output display circuit are designed.
设计了单片机控制双臂电桥测量低电阻电路、多谐振荡测量电容电路、辅助调平电桥电路、输出显示等电路。
3
A three phase half controlled bridgecircuit with constant current and high efficiency is designed in the charged loop of the welding power supply. So a limiting current resistance is canceled.