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激励器(又称振荡器),是为发射机提供工作频率的信号源,同时为并机和调幅立体声提供射频信号输入输出接口,为驻波故障提供保护性激励源切换。在发射机故障中,激励器的故障并不多见,在要求同步广播区域内,一般采用外部同步激励器。但是,即便作为备份信号也好,主用信号也好,一旦出现故障,就必须及时维修,确保发射机的正常工作,通过对激励器工作原理及故障检测原理进行剖析,从中寻找快速排出故障的检修技巧。
The exciter (also known as oscillator), is the transmitter to provide the working frequency of the signal source, and for the parallel and amplitude modulation stereo RF input and output interfaces provide protection for the standing wave of fault excitation excitation switching. In the transmitter failure, exciter failure is rare, in the requirements of synchronous broadcast area, the general use of external synchronous exciters. However, even as a backup signal, the main signal is good, in the event of failure, it must be repaired in time to ensure the normal operation of the transmitter by analyzing the working principle of the exciter and fault detection principle, looking for fast discharge fault Overhaul skills.