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IJPAP Vol.43 [2005] >
IJPAP Vol.43(01) [January 2005] >

Title: Electronically tunable current-mode bandpass filter
Authors: Shah, N A
Iqbal, S Z
Parveen, B
Keywords: Current-mode filter
electronic tunability
grounded capacitors
Issue Date: Jan-2005
Publisher: CSIR
IPC CodeH03K 3/00
Abstract: A new current-mode (CM) operational transconductance amplifier-capacitor (OTA-C) structure implementing second-order bandpass (BP) filtering response and offering a variety of performances is presented. The use of one type of sources and grounded capacitors (GC) considerably simplifies the implementation of the filter in contemporary IC form. The electronic tuning of circuit characteristics has been achieved orthogonally by adjusting the transconductance gain (gm) of OTAs. The circuit possesses low sensitivity figures having values less than or equal to unity lending it better performance feature.
Page(s): 60-62
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Source:IJPAP Vol.43(01) [January 2005]

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