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本文针对1kW PDM中波发射机在主/备机切换时,自动天线切换装置经常出现继电器线圈烧毁的问题,进行了理论分析,并提出了改进方案。
In this paper, 1kW PDM wave transmitter in the main / backup switch, the automatic antenna switching device often appears the problem of relay coil burned, the theoretical analysis, and put forward the improvement program.