Design of intermediate frequency digital receiver based on FPGA
Rui Zhang · Journal of Changsha Telecommunications and Technology Vocational College · 2012
The intermediate frequency digital receiving principles including low-pass sampling principle,band-pass sampling principle,are introduced in detail and the structure based on intermediate frequency band-pass sampling is given.A kind of intermediate frequency digital receiver based on FPGA is designed.The intermediate frequency digital receiver based on FPGA has 1GHz sampling rare and 8bit resolution.All software functions are realized on FPGA,including series-parallel conversion,digital mixing and FIR filter module.The design has strong versatility suitable for engineering application according to the application of.FPGA,which has flexible design and programmable features.