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Title: Ultra low-power macro-blocks for biomedical applications
Authors: Chew, Eng Sue.
Keywords: DRNTU::Engineering::Electrical and electronic engineering::Electronic circuits
Issue Date: 2009
Abstract: An area-power efficient full-adder is designed in the form of a soft macro and serving as a basic module for the multiplier-less Finite Impulse Response (FIR) filter architecture implementation. A comprehensive analysis on the existing 1-bit full-adder designs are carried out. The best five full-adder ciruits are chosen for evaluation and a full-adder circuit that dissipates low-power consumption with small silicon area is proposed. In addition, the proposed full-adder is able to operate at a low supply voltage of 1.2V and thus it is suitable for battery-powered portable biomedical applications.Performances of the circuits are compared using HSPICE simulations in 0.18um CMOS process technology with 100 random input vectors. The proposed full-adder features least power consumption, lowest power delay product and smallest area among the recently reported designs at the low supply voltage of 1.2V. In addition, the advantage of the proposed low-voltage low-power full-adder is explored by integrating the full-adder into the multiplier-less FIR filter, whih is a digital filter commonly used in the multirate filter bank for biomedical applications.
Rights: Nanyang Technological University
Fulltext Permission: restricted
Fulltext Availability: With Fulltext
Appears in Collections:EEE Student Reports (FYP/IA/PA/PI)

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