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DX - 600kw中波发射机t CU机柜中的音频控制板作为各PB单元的音频总处理者，其板上所出的故障将同时影响各PB单元的音频通路。
In DX-600KW entire solid state medium wave transmitter, the new audio control board of TCU is Chief processor, any fault will affect every PB at the same time.
中波单边带立体声广播发射系统，除要求高质量传送信息外，由于其发射功率较大，因此，如何提高发射机效率也是至关重要的问题。
The MW SSB stereo broadcasting system requires high efficiency of the transmitter which usually employs high power amplifier, as the high quality of information transmission is important.
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