中频数字化扩频接收机IC设计与实现

Design and Implementation of IF Digital DSS Receiver on Chip

介绍一种适合测控系统应用的中频数字化扩频接收机大规模集成电路的设计与实现 ,并给出实验结果。该半定制集成电路以 FPGA为载体 ,不仅可以完成中频下变频、码同步、码跟踪、载波跟踪、解扩、解调的功能 ,还具有测距能力 ,其特点为增益高、体积小。

The design and implementation of IF digital DSS receiver on chip which is applied to the system of telemeter and telecontrol is described,and the experimental results is provided.The chip realized by FPGA includes several parts such as IF down converter,code synchronization,code tracking,carrier tracking,despread,demodulation and distance measurement.It features a high gain,small volume and flexible applications.<