摘要
本文简要介绍了传统模拟接收机与数字式接收机在中音频处理方面的区别以及数字式接收机中的中音频处理原理，以Harris公司的HSP=50016数字下变频器(简称DDC)为例，重点介绍了数字下变频器的工作原理和应用。
This paper first gives an overview of the difference in medium and audio frequencyprocessing between traditional analog receiver and latest digital receiver. The processingregarding the digital one is introduced in full detail. Taking Harris HSP50016 digitaldown converter as an example, the paper then put focus on the operating principle of thisdigital down converter.
出处
《通信与广播电视》
2003年第3期22-25,共4页
Communication & Audio and Video
