The paper analyses the principle of variable frequency source and brings forward that using electric electron technology make variable frequency output , and using high power dynatron that is parallel connection magnify power 文中对该变频电源的工作原理及主要硬件作了较详细的介绍；提出利用电力电子器件实现输出大功率。
2.
In the circuit , using the way of step - by - step magnify , a normal sine wave signal through former circuit export for the next circuit , and this signal that have been magnified push the next step . the main magnify circuit use the method of high power dynatron that is parallel connection 在回路中采用逐级放大的方法，将一个标准的正弦波信号通过前级放大，输出给后级，推动后级放大回路，主要的功率放大回路中采用大功率三极管并联实现功率放大输出。
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Secondly , we make an in - depth study and analysis in allusion to the given oscillatory circuit - butler common base harmonic circuit . the detailed analysis of the dynatron which is the main noise source in the oscillatory circuit is also made , including how excitation affects the dynatron and crystal 然后针对特定的振荡电路结构-串联型巴特勒共基振荡电路-进行深入的研究和分析,并对主振电路中主要的噪声源-三极管进行的深入分析,包括激励对三极管及晶体的影响。
