High performance IIR filter implementation on FPGA

Journal of Electrical Systems and Information Technology

Table 1 Device utilization summary of different IIR filters

Synthesis parameter	Look-ahead IIR filter	Parallel IIR filter	Proposed FIR-based IIR filter
Number slice registers	180	192	172
Number of slice LUT	145	135	120
Number of IOBs	31	45	35
BRAMs	8	10	8
DSP48Es	18	20	16
Power (W)	0.150	0.180	0.120
Speed (MHz)	172.280	245.306	285.105