Title :
Comparison of fully-differential and single-ended current-mode band-pass filters with current active elements
Author :
Jerabek, Jan ; Koton, Jaroslav ; Sotner, Roman ; Vrba, Kamil
Author_Institution :
Dept. of Telecommun., Brno Univ. of Technol., Brno, Czech Republic
Abstract :
Two single-ended (S-E) and two fully-differential (F-D) band-pass filters are shown and compared in this contribution. Filters contain only simple current followers with multiple outputs and one current amplifier with digitally adjustable gain that is used to control the quality factor of each filter with direct or inverse proportion. Simulation results are included, and the values of quality factor obtained for each of the solutions are assessed.
Keywords :
Q-factor; amplifiers; band-pass filters; current-mode circuits; current active elements; current amplifier; current follower; digitally adjustable gain; direct proportion; fully-differential band-pass filter; inverse proportion; quality factor control; single-ended current-mode band-pass filter; Band pass filters; Filtering theory; Finite element methods; Integrated circuit modeling; Q factor; Simulation; Transfer functions;
Conference_Titel :
Electrical and Electronics Engineering (ELECO), 2011 7th International Conference on
Conference_Location :
Bursa
Print_ISBN :
978-1-4673-0160-2
