A reading offset may be caused by input amplifier overload or DC rectification at the input.
读数偏置可能由输入放大器过载或输入端的直流整流效应所引起。
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。
AT89S52 as a display module to control the core of achieving power amplifier output power, DC power supply of power and machine efficiency, for display.
AT 89s52作为显示模块的控制核心，实现功率放大器输出功率、直流电源的供给功率和整机效率功能的显示。
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