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Title: Universal voltage-mode biquad filter using voltage differencing transconductance amplifier
Authors: Prasad, Dinesh
Bhaskar, Data Ram
Srivastava, Mayank
Keywords: Voltage mode filter;Voltage differencing transconductance amplifier;Analog signal processing;MISO-type
Issue Date: Dec-2013
Publisher: NISCAIR-CSIR, India
Abstract: A new voltage mode multi input single output (MISO) type biquad is proposed. The proposed configuration employs one voltage differencing transconductance amplifier (VDTA) as the active element, two capacitors and a grounded resistor. The configuration realizes all five filter functions [i.e. Low Pass (LP), High Pass (HP), Band Pass (BP), Notch (BR) and All Pass (AP)] without any matching condition. The natural frequency (ω0) and bandwidth (BW) are independently tunable. The workability of proposed configuration has been verified using SPICE simulation with TSMC CMOS 0.18μm process parameters.
Page(s): 864-868
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Appears in Collections:IJPAP Vol.51(12) [December 2013]

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