Title :
A low voltage and low power current-mode field programmable analog computational unit
Author :
Al-Absi, Munir A. ; Hussein, Ahmed ; Abuelma´atti, Muhammad Taher
Author_Institution :
Dept. of Electr. Eng., King Fahd Univ. of Pet. & Miner., Dhahran, Saudi Arabia
Abstract :
A new current-mode analog computational unit (ACU) is presented. The ACU can be digitally programmed to produce multiplying, squaring and inverse functions. The design is based on using MOSFETs operating in subthreshold region to achieve ultra-low power dissipation. The circuit is operated from a ± 0.75V DC supply. The proposed circuit has been simulated using Tanner in 0.35μm TSMC CMOS process. Simulation results confirm the functionality of the circuit. The total power consumption is 2.3μW, total harmonic distortion is 1.1%, maximum nonlinearity error is 0.3% and the bandwidth is 2.3MHz.
Keywords :
CMOS analogue integrated circuits; analogue integrated circuits; biomedical electronics; current-mode circuits; field programmable analogue arrays; harmonic distortion; inverse problems; multiplying circuits; power consumption; DC supply; MOSFETs; TSMC CMOS process; Tanner; bandwidth 2.3 MHz; current-mode analog computational unit; digital programming; inverse functions; low power current-mode field programmable analog computational unit; low voltage current-mode field programmable analog computational unit; maximum nonlinearity error; multiplying functions; power 2.3 muW; size 0.35 mum; squaring functions; subthreshold region; total harmonic distortion; total power consumption; ultralow power dissipation; voltage 0.75 V; Current-mode circuits; Equations; Layout; Mathematical model; Microwave filters; Optical filters; Simulation;
Conference_Titel :
Biomedical Engineering (MECBME), 2014 Middle East Conference on
Conference_Location :
Doha
DOI :
10.1109/MECBME.2014.6783204
