The design of hardware module includes A/D converter, DDC (Digital Down Converter), DUC(Digital Up Converter) and DSP. The design and application of AD6640 and AD6624 are fully discussed in this part.

• 收发信机硬件设计主要包括：A/D、D/A转换器、数字下变频器(DDC)、数字上变频器(DUC)以及DSP，论文详尽介绍了A/D器件AD6640、DDC器件AD6624和DSP器件TMS320C5410的设计和应用；