Abstract
New electronically-controllable lossless grounded and floating inductance simulation circuits have been proposed employing Voltage Differencing Transconductance Amplifiers (VDTA). The proposed grounded inductance (GI) circuit employs a single VDTA and one grounded capacitor whereas the floating inductance (FI) circuit employs two VDTAs and one grounded capacitor. The workability of the new circuits has been verified using SPICE simulation with TSMC CMOS 0.18 μm process parameters.
Highlights
Several circuits and techniques for the simulation of grounded and floating inductance employing different active elements such as operational amplifiers, current conveyors, current controlled conveyors, current feedback operational amplifiers, operational mirrored amplifiers, differential voltage current conveyors, current differencing buffered amplifiers, current differencing transconductance amplifiers, operational transconductance amplifiers (OTAs) have been reported in the literature see [1-33] and the references cited therein
Considering the various Voltage Differencing Transconductance Amplifiers (VDTA) non-ideal parasitics i.e., the finite X-terminal parasitic impedance consisting of a resistance RX in parallel with capacitance CX and the parasitic impedance at the Z-terminal consisting of a resistance RZ in parallel with capacitance CZ
The workability of the proposed simulated inductors has been verified by realizing a band pass filter (BPF) as shown in Figures 6 and 7
Summary
Several circuits and techniques for the simulation of grounded and floating inductance employing different active elements such as operational amplifiers, current conveyors, current controlled conveyors, current feedback operational amplifiers, operational mirrored amplifiers, differential voltage current conveyors, current differencing buffered amplifiers, current differencing transconductance amplifiers, operational transconductance amplifiers (OTAs) have been reported in the literature see [1-33] and the references cited therein. Many active elements have been introduced by Biolek, Senani, Biolkova and Kolka in [34], VDTA is one of them. A CMOS realization of VDTA and its filter application have been reported in [35]. The purpose of this pa- per is, to propose new electronically-controllable VDTA- based lossless GI and FI circuits employing a grounded capacitor. The worka- bility of the proposed new circuits has been verified us- ing SPICE simulation with TSMC CMOS 0.18 μm proc- ess parameters
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