Title :
A wide linear range low-voltage transconductor
Author_Institution :
Dept. of Electr. & Comput. Eng., State Univ. of New York, Stony Brook, NY, USA
Abstract :
This paper presents a wide linear range transconductor based on the differential pair with emitter/source degeneration. The proposed circuit can be implemented in both bipolar and CMOS technology. The transconductor exhibits high linearity that is achieved by forcing a constant current through the main transistors in the differential pair and collecting the output current by means of two additional transistors and two current mirrors. Simulation results are presented for a CMOS implementation operating at a 1.8 V supply voltage.
Keywords :
CMOS analogue integrated circuits; circuit simulation; integrated circuit design; integrated circuit modelling; operational amplifiers; 1.8 V; CMOS implementation; CMOS technology; bipolar technology; constant current transistors; differential pair; emitter/source degeneration; output current collection; simulation; supply voltage; transconductor linearity; wide linear range low-voltage transconductor; CMOS technology; Circuits; Filters; Linearity; MOSFETs; Operational amplifiers; Resistors; Transconductance; Transconductors; Voltage;
Conference_Titel :
Circuits and Systems, 2003. ISCAS '03. Proceedings of the 2003 International Symposium on
Print_ISBN :
0-7803-7761-3
DOI :
10.1109/ISCAS.2003.1205525
