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IJPAP Vol.46(04) [April 2008] >


Title: Realization of CDTA based current-mode universal filter
Authors: Shah, N A
Quadri, Munazah
Iqbal, S Z
Keywords: Current-mode universal filter
CDTA
Analog signal processing
Continuous-time active filters
Issue Date: Apr-2008
Publisher: CSIR
Abstract: A new current-mode (CM) filter capable of providing simultaneously lowpass (LP), bandpass (BP) and highpass (HP) responses has been presented. The realization of notch and allpass (AP) responses can be easily achieved without matching or rotation of components. The circuit employs a single current differencing transconductance amplifier (CDTA), two capacitors and one resistor. The circuit uses a minimum number of active and passive components and permits orthogonal tunability of pole frequency (ω₀) and bandwidth (ω₀/Q) alongwith enjoying low active and passive sensitivities. PSPICE simulation results are obtained.
Page(s): 283-285
ISSN: 0019-5596
Source:IJPAP Vol.46(04) [April 2008]

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