Scheduled System Maintenance:
On Monday, April 27th, IEEE Xplore will undergo scheduled maintenance from 1:00 PM - 3:00 PM ET (17:00 - 19:00 UTC). No interruption in service is anticipated.
By Topic

Constant gm rail-to-rail CMOS input stage with improved linearity

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$31 $13
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

2 Author(s)
Popa, C. ; Fac. of Electron. & Telecommun., Bucharest Politechnica Univ., Romania ; Mitrea, O.

The classic CMOS differential amplifier has a strong nonlinearity for large values of the input voltage amplitude, so important odd-order distortion will appear for a sinusoidal input voltage. This paper presents a new original technique to improve the linearity of a CMOS differential amplifier by canceling the third and the fifth terms of the Taylor series of the output current. In order to obtain an extended range of the input voltage, two complementary CMOS differential amplifiers are used to achieve a constant transconductance of the input stage for rail-to-rail common mode input voltage, a maximum current selecting circuit is added. SPICE simulation using MOSIS 0.8μ confirms the theoretical analysis

Published in:

Image and Signal Processing and Analysis, 2001. ISPA 2001. Proceedings of the 2nd International Symposium on

Date of Conference:

2001