The magnetic amplifier (colloquially known as a "mag amp") is an electromagnetic device for amplifying electrical signals. The magnetic amplifier was invented early in the 20th century, and was used as an alternative to vacuum tube amplifiers where robustness and high current capacity were required.
例句与用法
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Stabilized voltage supply , a . c . output , magnetic amplifier type 磁放大式电子交流稳压器
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Standard test method for magnetic properties of magnetic amplifier cores 磁放大器芯磁性的标准试验方法
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Graphical symbols for components of servo - mechanisms - transductors and magnetic amplifiers 伺服机构零件图形符号.第1部分:饱和电抗器与磁放大器
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Branch of science that deals with the study and application of electron devices , e . g . , electron tubes , transistors , magnetic amplifiers , etc 关于电子器件(例如电子管、晶体管、磁放大器等)的研究与应用的一门科学分支。
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With the stringent requirement of low output voltage and high output current , semiconductor diode is necessarily replaced by synchronous rectifier to minimum voltage drop . because the existed driving schemes can not drive srs properly , two novel driving schemes for synchronous rectifiers in magnetic amplifier post regulating circuit are proposed in this paper 已有的同步整流管驱动电路主要面对多路输出的主输出电路，而应用磁放大器调节的辅助输出电路同步整流管的驱动，现有的方法存在磁放大器调节与同步整流管驱动的失配，降低了开关电源的效率。
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Based on the thorough investigation of the post - regulation and efficiency in multiple output switching - mode power supplies , an optimal combination topology for multiple output switching converter is presented in this thesis , which is consisted of forward converter with active clamp ( fac ) , synchronous rectification ( sr ) techniques and magnetic amplifier technique ( magamp ) 本文通过研究分析近年来多路输出开关电源辅助输出电压调节和提高效率的方案，面对开关电源朝着输出低电压大电流方向发展的趋势，提出多路输出开关电源新的拓扑优化组合模式? ?有源钳位正激变换器、同步整流技术、磁放大器。
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