Title :
High-performance and simple CMOS unity-gain amplifier
Author :
Palmisano, G. ; Palumbo, G. ; Pennisi, S.
Author_Institution :
Dipt. Elettrico, Elettronico e Sistemistico, Catania Univ., Italy
fDate :
3/1/2000 12:00:00 AM
Abstract :
A high performance CMOS unity-gain amplifier is proposed, which provides very low gain error and low output resistance. The circuit uses a simple topology which is based on a closed-loop gain stage. The gain error can be set as low as 0.2%, which is more than ten times lower than that of the traditional circuit under the same operating conditions. Experimental results of a 1.2 μm CMOS design, in very close agreement with theoretical ones, are also given
Keywords :
CMOS analogue integrated circuits; differential amplifiers; integrated circuit design; linear network analysis; linear network synthesis; 1.2 micron; CMOS unity-gain amplifier; closed-loop gain stage based topology; high performance amplifier; low gain error; low output resistance; Application software; Circuits; Control systems; Eigenvalues and eigenfunctions; Feedback; Linear matrix inequalities; Observability; Robust stability; Robustness; Uncertain systems;
Journal_Title :
Circuits and Systems I: Fundamental Theory and Applications, IEEE Transactions on
