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CMOS amplifier module allowing for voltage, current, transimpedance and transadmittance transfer functions implementations

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2 Author(s)
Talukder, M.A.H. ; Dept. of Electr. & Comput. Eng., Concordia Univ., Montreal, QC, Canada ; Raut, R.

This article presents a universal amplifier module (UAM), implemented in 180 nm CMOS technology, that can be configured to function as a (i) voltage controlled voltage source (VCVS), (ii) current controlled current source (CCCS), (iii) voltage controlled current source (VCCS), (iv) current controlled voltage source (CCVS), and (v) current conveyor (type II). As a result, the amplifier can be used to produce four kinds of basic circuit transfer functions, i.e., voltage-, current-, transadmittance- and transimpedance- transfer functions. This is validated by presenting simulation results for a second order voltage, current, transadmittance and transimpedance band-pass filter (BPF) transfer functions using only three UAM devices. The device is expected to be useful in a complex VLSI system environment where interfacing between sub-systems with varied impedance levels is required.

Published in:

Electrical & Computer Engineering (CCECE), 2012 25th IEEE Canadian Conference on

Date of Conference:

April 29 2012-May 2 2012