Title :
Independent tunable-Q/ω biquadratic filter employing only active elements
Author :
Jongchanachavawat, Wirote ; Dejhan, Kobchai ; Chaisayun, Ittipong
Author_Institution :
Fac. of Eng., King Mongkut´´s Inst. of Technol., Bangkok
fDate :
Oct. 18 2006-Sept. 20 2006
Abstract :
A new active-only biquadratic filter employing OTAs and OAs is introduced. This circuit is fully integrable, and programmable, and implements all the three filtering functions (low-pass, high-pass and band-pass). The filter offers low active sensitivities and its parameters omega and Q-factor can be separately tuned by electronic means through controlling the transconductance gains of the OTAs and insensitivity to temperature variations. The PSPICE simulation was carried out to realize the proposed circuit
Keywords :
SPICE; band-pass filters; biquadratic filters; high-pass filters; low-pass filters; operational amplifiers; PSPICE simulation; Q-factor; band-pass filter; high-pass filter; independent tunable biquadratic filter; low-pass filter; operational amplifier; operational transconductance amplifier; Active filters; Band pass filters; Circuits; Filtering; Low pass filters; Q factor; SPICE; Temperature control; Temperature sensors; Transconductance;
Conference_Titel :
Communications and Information Technologies, 2006. ISCIT '06. International Symposium on
Conference_Location :
Bangkok
Print_ISBN :
0-7803-9740-1
Electronic_ISBN :
0-7803-9741-X
DOI :
10.1109/ISCIT.2006.339944
