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Title: Current-mode multifunction filter using current differencing transconductance amplifier
Authors: Shah, N A
Quadri, Munazah
Iqbal, S Z
Keywords: Current-mode filters;Current differencing transconductance amplifier;Analog signal processing
Issue Date: Sep-2007
Publisher: CSIR
IPC Code: H01S
Abstract: This paper presents a novel current-mode (CM) second-order filtering configuration capable of realizing two filtering functions simultaneously. The circuit employs a single current differencing transconductance amplifier (CDTA), two capaci-tors and a resistor. The circuit can realize highpass (HP) and bandpass (BP) filtering responses simultaneously and bandpass (BP) and lowpass (LP) responses through RC:CR transformation. All active and passive sensitivities are low. PSPICE simu-lation results are included.
Page(s): 767-769
ISSN: 0019-5596
Appears in Collections:IJPAP Vol.45(09) [September 2007]

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