Journal Article10.1016/J.AEUE.2006.04.004
Multiple-input single-output current-mode multifunction filter using current differencing transconductance amplifiers
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TL;DR: In this article, a novel current-controlled multiple-input single-output (MISO) universal filter employing current differencing transconductance amplifiers (CDTAs) as active elements is described.
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Abstract: A novel current-controlled multiple-input single-output current-mode universal filter employing current differencing transconductance amplifiers (CDTAs) as active elements is described. The proposed circuit offers the following attractive features: employment of the minimum number of active and passive components; simultaneous realization of all the standard filtering functions; independent current-control of the parameters ω o and ω o / Q ; no requirement of component matching conditions; employment of only two grounded passive capacitors which is suitable for integrated circuit (IC) implementation; and low passive and active sensitivities. PSPICE simulation results are given to verify the theoretical analysis. An example application using the proposed circuit in cascade realization of the high-order current-mode filter is also presented.
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Citations
High-performance current differencing transconductance amplifier and its application in precision current-mode rectification
TL;DR: A CMOS-based circuit for realization of high-performance current differencing transconductance amplifier (CDTA) is demonstrated and the advantages of a wide frequency bandwidth and very small input terminal impedance are offered.
Universal current-mode biquad filter using dual output current differencing transconductance amplifier
TL;DR: In this article, a new universal currentmode biquad filter using current differencing transconductance amplifier (CDTA) is proposed to realize the second-order low pass, high pass, band pass, and band reject responses simultaneously.
93
Current-Mode Multiphase Sinusoidal Oscillator Using Current Differencing Transconductance Amplifiers
TL;DR: In this article, a simple current-controlled current-mode multiphase sinusoidal oscillator based on current differencing transconductance amplifiers (CDTAs) as active components was proposed.
81
Current-mode multiphase sinusoidal oscillator using CDTA-based allpass sections
TL;DR: In this article, a current tunable current-mode multiphase sinusoidal oscillator (MSO) employing current differencing transconductance amplifier (CDTA)-based first-order allpass sections is presented.
77
New Grounded and Floating Simulated Inductance Circuits using Current Differencing Transconductance Amplifiers
Data Ram Bhaskar,Dinesh Prasad,Abdhesh Kumar Singh +2 more
- 01 Apr 2010
TL;DR: New CDTA based lossless grounded and floating inductance simulation circuits have been proposed and some sample results demonstrating the applications of the new simulated inductors using CMOS CDTAs have been given to confirm the workability of thenew circuits.
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References
A new versatile building block: current differencing buffered amplifier suitable for analog signal-processing filters
Cevdet Acar,Serdar Ozoguz +1 more
TL;DR: In this paper, a multi-terminal active component with two inputs and two outputs, namely current differencing buffered amplifier (CDBA), is proposed, which is derived from current feedback amplifier (CFA) which is commercially available as AD844.
307
Current-mode KHN filter employing current differencing transconductance amplifiers
TL;DR: In this paper, the authors proposed a current mode Kerwin-Huelsman-Newcomb (KHN) filter employing only two current differencing transconductance amplifiers (CDTA) and two grounded capacitors.
210
Inductorless current conveyor allpass filter using grounded capacitors
Kirat Pal,Rajdeep Singh +1 more
TL;DR: In this article, an inductorless allpass filter using three second generation current conveyors (CCIIs) has been reported, which offers high input impedance, controllable voltage gain and uses grounded capacitors.
102
Current-mode continuous-time fully-integrated universal filter using CDBAs
TL;DR: In this paper, a fully-integrated universal filter using a current differencing buffered amplifier, a recently introduced active element, has been proposed, which simplifies the implementation and makes possible the use of a minimum number of grounded capacitors compared to those using second generation current conveyers and current feedback amplifiers.
94
Current-mode lowpass, bandpass and highpass biquads using two CCIIs
TL;DR: In this article, two current-mode second-order filter configurations which employ two second-generation current conveyors (CCIIs) and can realize lowpass and bandpass filter responses for one and high-pass and Bandpass filter response for the other are presented.
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