Title :
Fully cascadable dual-mode all-pass filter based on single DBTA
Author :
Herencsar, Norbert ; Koton, Jaroslav ; Vrba, Kamil ; Metin, Bilgin
Author_Institution :
Dept. of Telecommun., Brno Univ. of Technol., Brno, Czech Republic
Abstract :
In this paper, a new first-order all-pass filter based on single differential-input buffered and transconductance amplifier (DBTA) as an active element, single capacitor, and single resistor is presented. The proposed circuit works in both voltage-and transadmittance-mode simultaneously and is fully cascadable due to high-impendance voltage input and low/high output-impedance of voltage/current outputs, respectively. The behavior of the filter is verified by SPICE simulations using commercially available ICs OPA860 by Texas Instruments to confirm the theoretical analyze.
Keywords :
SPICE; all-pass filters; ICs OPA860; SPICE simulation; Texas Instrument; differential-input buffered amplifier; first-order all-pass filter; fully cascadable dual-mode all-pass filter; single DBTA; single capacitor; single resistor; transadmittance-mode; transconductance amplifier; voltage-mode; Capacitors; Educational institutions; Impedance; Resistors; SPICE; Signal processing; Transconductance; All-pass filter; DBTA; analog signal processing; cascadable filter; dual-mode circuit;
Conference_Titel :
Telecommunications and Signal Processing (TSP), 2012 35th International Conference on
Conference_Location :
Prague
Print_ISBN :
978-1-4673-1117-5
DOI :
10.1109/TSP.2012.6256318
