BuildSDR
Drawings and code to build a own Software Defined Radio
Drawings for the ERA-3SM+ amplifier, the NXP SA612A mixer, and an OpAmp driver for the ADC
Flow graph for GNU Radio
VHDL source code to read the ADC and do USB communication... basically the same as in the USB ADC FPGA project
For a detailed description see: http://digibird1.wordpress.com