A Novel First-Order Current-Mode All-Pass Filter Using CDTA
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Date
2009-09
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Mark
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Společnost pro radioelektronické inženýrství
Abstract
This paper presents a new realization of a firstorder current-mode (CM) all-pass filter (APF) using the recently proposed modern active building block (ABB), namely the current differencing transconductance amplifier (CDTA). The CM APF is made using minimum number of components, namely a single CDTA and one grounded capacitor. The circuit does not use any external resistors and offers the advantages of current-tunable pole frequency, low input impedance and high output impedance. Non-ideal analysis and sensitivity analysis are provided and PSPICE simulation results are included to verify the workability of the circuit.
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Radioengineering. 2009, vol. 18, č. 3, s. 300-305. ISSN 1210-2512
http://www.radioeng.cz/fulltexts/2009/09_03_300_305.pdf
http://www.radioeng.cz/fulltexts/2009/09_03_300_305.pdf
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Peer-reviewed
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en