Title :
An Active Gm-C Filter Using a Linear Transconductance
Author :
Weng, Jun-Hong ; Yang, Ching-Yuan
Author_Institution :
Nat. Chung-Hsing Univ., Taichung
Abstract :
In this paper, a fifth-order elliptic low-pass Gm-C filter using a linear transconductance is presented in a standard 0.18-mum CMOS technology. The tranconductor has a wide-range constant gain and uses fully differential source- degenerated operational transcconductance amplifier which introduces a folded-cascode output stage with common mode feedback circuit. The Gm is 1 mA/V with 0.5 Vp-p input range. The power consumption is 56 mW including the common- mode feedback circuit.
Keywords :
CMOS integrated circuits; low-pass filters; operational amplifiers; CMOS technology; active Gm C filter; common mode feedback circuit; folded cascode output stage; linear transconductance; operational transconductance amplifier; power 56 mW; size 0.18 mum; wide range constant gain; Active filters; CMOS technology; Feedback circuits; Inductors; Low pass filters; Nonlinear filters; Operational amplifiers; Resistors; Transconductance; Transconductors;
Conference_Titel :
Electron Devices and Solid-State Circuits, 2007. EDSSC 2007. IEEE Conference on
Conference_Location :
Tainan
Print_ISBN :
978-1-4244-0637-1
Electronic_ISBN :
978-1-4244-0637-1
DOI :
10.1109/EDSSC.2007.4450273
