文中提出了一种CD MA调制解调器射频电路和数字基带处理电路框图，分析了它们的组成及工作过程，设计了扩展功能用的系统连接器。
A new design of RF block diagram, digital baseband block diagram of CDMA modem, the form and working-process are analysised, in order to expand function, a system connector is designed.
提出了以基带解调器为核心的数字电视转发器的设计方法。
This paper puts forward the design method of DTV transposer using baseband demodulator as its core based on the analysis of its present status.
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