A new type of DC current comparator is researched which includes two parts: a bidirectional self saturating magnetic amplifier and a two care self saturating magnetic amplifier.
研究了一种新型直流电流比较仪，它包括两个环节：双向自饱和磁放大器和双铁芯自饱和磁放大器。
2
Four-bit bidirectional shift register was used to produce the device for demonstrating the direction of direct current.
利用四位双向移位寄存器等电子元件可制作能直观显示直流电流方向的模拟演示仪。
3
Gain Settings, signal polarity and RTD current control can be configured in software using the bidirectional serial port.