Title :
Frequency tuning technique for Gm-C filters
Author_Institution :
Samsung Electron., Suwon, South Korea
fDate :
6/6/2002 12:00:00 AM
Abstract :
A frequency tuning technique based on an envelope locked loop is proposed for Gm-C filters. A degenerated integrator is used as the master circuit to eliminate the problems associated with the DC offset of the operational transconductance amplifier (OTA)
Keywords :
active filters; band-pass filters; circuit tuning; integrating circuits; operational amplifiers; Gm-C filters; OTA DC offset; degenerated integrator; envelope locked loop; frequency tuning technique; operational transconductance amplifier;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20020405
