Fast Multiplier for FIR Filters

RTMCMA (Rounded Truncated Multiple Constant Multiplication and Accumulation) in direct FIR structure is used in FIR filter design. The proposed technique is n/2 number of partial product achieved via two’s complement method. The Modified Booth Encoding algorithm is most important algorithm for truncated multiplier and multiplier take important role in high performance system to reduce power, area and delay optimized is very important in high performance system and DSP system. Truncation error is not more than 1 ulp (unit of least position). So there is no need of error compensation circuits and the final output will be precised.