Title :
Current-mode multifunction biquadratic filter using a single MCCCDTA
Author :
Kumngern, Montree
Author_Institution :
Dept. of Telecommun. Eng., King Mongkut´´s Inst. of Technol. Ladkrabang, Bangkok, Thailand
Abstract :
This paper presents a new current-tunable current-mode universal biquadratic filter with two inputs and two outputs using one modified current-controlled current differencing transconductance amplifier, two grounded capacitors and one grounded resistor. The proposed circuit provides following advantages: realization of lowpass, bandpass, highpass, bandstop and allpass current responses; orthogonal control of the natural frequency and the quality factor; employment of grounded passive components which is very suitable for integrated circuit implementation; low active and passive sensitivities. Simulation results are also given to confirm the presented theory.
Keywords :
Q-factor; biquadratic filters; current-mode circuits; operational amplifiers; MCCCDTA; active sensitivity; allpass current response; bandpass current response; bandstop current response; current-mode multifunction biquadratic filter; current-tunable current-mode universal biquadratic filter; grounded capacitors; grounded passive components; grounded resistor; highpass current response; integrated circuit implementation; lowpass current response; modified current-controlled current differencing transconductance amplifier; natural frequency; orthogonal control; passive sensitivity; quality factor; Band pass filters; Capacitors; Filtering theory; Resistors; Sensitivity; Transconductance; biquad filter; current-mode circuit; modified current-controlled current conveyor transconductance amplifier;
Conference_Titel :
Cyber Technology in Automation, Control, and Intelligent Systems (CYBER), 2012 IEEE International Conference on
Conference_Location :
Bangkok
Print_ISBN :
978-1-4673-1420-6
DOI :
10.1109/CYBER.2012.6392536
