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Research Paper | Electronics & Communication Engineering | India | Volume 3 Issue 3, March 2014

Modified Booth Multiplier with FIR Filter

B. Sireesha | Diana Aloshius

Abstract: In this paper, we develop a new methodology for designing a lower-error and area efficient 2s complement fixed-width Booth multiplier that receives two n-bit numbers and produces an n-bit product. By properly choosing the generalized index and binary thresholding, we derive a better error-compensation bias to reduce the truncation error. Since the proposed error compensation bias is realizable, constructing low-error fixed width Booth multiplier is area and time efficient for VLSI implementation. Finally, we successfully apply the proposed fixed-width Booth multiplier to FIR filter. The simulation results show that the performance is superior than by using the direct-truncation fixed-width Booth multiplier.

Keywords: Modified Booth Multiplier, Booth Encoder, partial product, FIR, Signed-unsigned

Edition: Volume 3 Issue 3, March 2014,

Pages: 798 - 802

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