High Speed FIR Digital Filter Design Based on FPGA
Xinhuan Wang · Modern Electronics Technique · 2007
Using distributed algorithm,Booth algorithm,Wallace tree and carry-look-ahead adder,carry-select adder,as well as pipelining technology,a high speed FIR digital filter design based on FPGA is presented.Let′s take a low-pass digital FIR filter for example.The verification of the spectrum is done by Using Matlab auxiliary filter design,the functional simulation,timing simulation and synthesis is applied on ISE,and the general schematic circuit diagram,the use of resources and the maximum operating frequency are given.Through the use of a variety of excellent and fast algorithm pipeline technology,lacking of effective structure for realization of cumulative operation,the shortcomings in FPGA,can be broken,high speed FIR digital filter design can be achieved,and FPGA in the field of digital signal processing can be developed by leaps and bounds.