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Active and Passive Electronic Components
Volume 2014, Article ID 274795, 8 pages
http://dx.doi.org/10.1155/2014/274795
Research Article

Bandwidth Extension of High Compliance Current Mirror by Using Compensation Methods

Netaji Subhash Institute of Technology, Dwarka Sector 3, New Delhi 110078, India

Received 19 October 2013; Revised 6 December 2013; Accepted 6 December 2013; Published 21 January 2014

Academic Editor: Gerard Ghibaudo

Copyright © 2014 Maneesha Gupta et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Due to the huge demand of high-speed analog integrated circuits, it is essential to develop a wideband low input impedance current mirror that can be operated at low power supply. In this paper, a novel wideband low voltage high compliance current mirror using low voltage cascode current mirror (LVCCM) as a basic building block is proposed. The resistive compensation and inductive peaking methods have been used to extend the bandwidth of the conventional current mirror. By replacing conventional LVCCM in a high compliance current mirror with the compensated LVCCM, the bandwidth extension ratio of 3.4 has been achieved with no additional DC power dissipation and without affecting its other performances. The circuits are designed in TSMC 0.18 μm CMOS technology on Spectre simulator of Cadence.