Title :
Generalized CFA filter topology based on gain blocks
Author :
Maundy, Brent ; Gift, Stephan ; Aronhime, Peter
Author_Institution :
Univ. of Calgary, Calgary
Abstract :
Generalized voltage mode filters that employ two current feedback amplifiers are proposed in this paper. The new biquads are attractive because they offer improved gain sensitivities compared to single current feedback amplifier biquads. Also they do not employ the Z node and so a wide range range of commercial current feedback amplifiers can be used in their implementation. Theoretical results as well as experimental results are presented using AD844s in which the accessible Z node is not used.
Keywords :
feedback amplifiers; filters; AD844s; current feedback amplifiers; gain blocks; generalized CFA filter; generalized voltage mode filters; Bandwidth; Circuit topology; Feedback amplifiers; Feedback circuits; Filtering; Filters; Flexible printed circuits; Network topology; Transfer functions; Voltage;
Conference_Titel :
Circuits and Systems, 2007. MWSCAS 2007. 50th Midwest Symposium on
Conference_Location :
Montreal, Que.
Print_ISBN :
978-1-4244-1175-7
Electronic_ISBN :
1548-3746
DOI :
10.1109/MWSCAS.2007.4488641
