利用磁路原理分析DX中波发射机射频功率合成器的设计细节

The design details of the RF power synthesizer of DX medium-wave transmitter are analyzed by the principle of magnetic circuit

通过介绍DX中波发射机射频功率合成器工作原理,利用磁路原理推导出功率合成器初级磁场强度表达式、次级感应电动势表达式,定量分析射频功率合成器的设计和工作原理,并结合实际对功率合成环节一些细节设计的科学性和必要性进行论述,总结射频功率合成器维护重点环节和容易被忽视的地方。

By introducing the DX medium-wave transmitter RF power synthesizer working principle,primary magnetic field strength is derived by using the theory of magnetic circuit power synthesizer expression,secondary induction electromotive force,the quantitative analysis of the design and working principle of radio frequency power synthesizer,and connecting with the actual power synthesis part,the essay discusses the scientific nature and the necessity of some of the detail design,summarizes the RF power synthesizer maintenance key links and easy to be ignored.