Supplementary First-Order All-Pass Filters with Two Grounded Passive Elements Using FDCCII
Abstract
In this study, two novel first-order all-pass filters are proposed using only one grounded resistor and one grounded capacitor along with a fully differential current conveyor (FDCCII). There is no element-matching restriction. The presented all-pass filter circuits can be made electronically tunable due to the electronic resistors. Furthermore, the presented circuits enjoy high-input impedance for easy cascadability. The theoretical results are verified with SPICE simulations.
Keywords
Analog filter, all-pass filter, cascadable filter, high-Q band-pass filter, grounded capacitor, FDCCII, MOSFET based resistorsPersistent identifier
http://hdl.handle.net/11012/56855Document type
Peer reviewedDocument version
Final PDFSource
Radioengineering. 2011, vol. 20, č. 2, s. 433-437. ISSN 1210-2512http://www.radioeng.cz/fulltexts/2011/11_02_433_437.pdf
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