它主要包括MEPG2解调模块、数字视音频编码器和条件接收模块等。
It includes the MEPG2 demodulation module, the numeral regards the audio frequency coder and the conditional access module and so on.
最终的解调模块在实际的PC b基板上调试通过，并应用在实际产品中。
The final demodulation module pass the debugging on PCB board and apply on production.
本文根据选用的调制解调模块ST7538设计了一种接口电路并对它的性能进行了测试分析。
This papers is about the design of the interface based on the modem ST7538 , measuring and analyzing the performance of the interface.
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