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|Title:||Current-mode multifunction filter using current differencing transconductance amplifier|
|Authors:||Shah, N A|
Iqbal, S Z
|Keywords:||Current-mode filters;Current differencing transconductance amplifier;Analog signal processing|
|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.|
|Appears in Collections:||IJPAP Vol.45(09) [September 2007]|
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