Title :
Tunable ultralow voltage transconductance amplifier and GmC filter
Author :
Naess, Øivind ; Berg, Yngvar
Author_Institution :
Dept. of Inf., Oslo Univ., Norway
Abstract :
This paper presents a fully differential dual-ended ultralow-voltage (ULV) FGUVMOS operational transconductance amplifier (FGUVMOS-OTA), and a Gm-C filter where the FGUVMOS-OTA is used. The OTA has no internal nodes, rail-to-rail operation and dynamic load. The cut-off frequency of the Gm-C filter is tunable over more than 5 decades. The circuits may be operated with supply voltages down to 200 mV
Keywords :
CMOS analogue integrated circuits; active filters; circuit tuning; differential amplifiers; low-power electronics; operational amplifiers; 200 mV; dual-ended configuration; floating-gate UV-MOSFET; fully differential OTA; tunable GmC filter; tunable cutoff frequency; tunable transconductance amplifier; ultralow voltage GmC filter; ultralow voltage transconductance amplifier; Differential amplifiers; Filters; MOSFETs; Operational amplifiers; Power supplies; Rails; Signal to noise ratio; Threshold voltage; Transconductance; Tunable circuits and devices;
Conference_Titel :
Circuits and Systems, 2000. Proceedings. ISCAS 2000 Geneva. The 2000 IEEE International Symposium on
Conference_Location :
Geneva
Print_ISBN :
0-7803-5482-6
DOI :
10.1109/ISCAS.2000.856427
