DESIGN AND IMPLEMENTATION OF FPGA BASED SIGNAL PROCESSING CARD

This paper describes the design of FPGA based signal processing card. An on board real time digitalsignal processing system is designed using FPGA. The platform can decode process of various kinds ofdigital and analog signals simultaneously. The design trend in this card is towards small size, highintegration and fast real time processing. For the optimum performance a 16 bit 1 MSPS ADC is usedwhich is interfaced with FPGA to make all the data processing onboard in real time. This card can be usedin many signal processing based applications like audio signal processing, audio compression, digitalimage processing, video compression, speech processing, speech recognition, digital communications byinterfacing several separate board using inbuilt I/O’s, each with a number of input channels that willcommunicate with each other in real time over a high speed communication link. The resulting images canbe displayed directly on LCD or OLED panel displays using I/O’s peripherals. The project introducesmany challenging issues, which are being addressed in turn with different prototype designs. These issuesare the ADC performance, interfacing the ADCs to the FPGA, implementing the flexible processingalgorithms and high speed interconnection between the boards.