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Universal Current-Mode Biquad Filter Using a VDTA
Department of Electronics and Communication Engineering, Faculty of Engineering and Technology, Jamia Millia Islamia, New Delhi, India
Department of Electronics and Communication Engineering, Faculty of Engineering and Technology, Jamia Millia Islamia, New Delhi, India
D/O Electronics and Communication Engineering, Amity School of Engineering and Technology, Amity University, Noida, India
- 1 Department of Electronics and Communication Engineering, Faculty of Engineering and Technology, Jamia Millia Islamia, New Delhi, India
- 2 Department of Electronics and Communication Engineering, Faculty of Engineering and Technology, Jamia Millia Islamia, New Delhi, India
- 3 D/O Electronics and Communication Engineering, Amity School of Engineering and Technology, Amity University, Noida, India
Circuits and Systems·Volume 04 (2013)·Pages 29–33·Published 22 January 2013·DOI10.4236/cs.2013.41006
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Abstract
This paper presents a new current-mode single input multi output (SIMO) type biquad employing one voltage differencing transconductance amplifier (VDTA), two grounded capacitors and a single grounded resistor. The configuration realizes all basic filter functions ( i.e. Low Pass (LP), High Pass (HP), Band Pass (BP), Notch (BR) and All Pass (AP)). The natural frequency ( ω 0 ) and bandwidth (BW) are independently tunable. The workability of proposed configuration has been verified using SPICE simulation with TSMC CMOS 0.18 μm process parameters.
KeywordsCurrent Mode FilterVoltage Differencing Transconductance Amplifier
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