A New Resistorless and Electronic Tunable Third-Order Quadrature Oscillator with Current and Voltage Outputs

This paper presents a new resistorless and electronic tunable third-order quadrature oscillator based on voltage difference transconductance amplifiers (VDTAs). The proposed configuration using two VDTAs and three grounded capacitors has three current outputs and two voltage outputs. The resistorles...

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Published in:Technical review - IETE 2018-07, Vol.35 (4), p.426-438
Main Authors: Chen, Hua-Pin, Hwang, Yuh-Shyan, Ku, Yi-Tsen
Format: Article
Language:English
Subjects:
Current mode
Modulation
Quadrature oscillator
Voltage difference transconductance amplifier (VDTA)
Voltage mode
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description This paper presents a new resistorless and electronic tunable third-order quadrature oscillator based on voltage difference transconductance amplifiers (VDTAs). The proposed configuration using two VDTAs and three grounded capacitors has three current outputs and two voltage outputs. The resistorless circuit enjoys electronically and independently control of oscillation condition and oscillation frequency. It can simultaneously provide two quadrature output voltages, two quadrature output currents, and one amplitude-controllable output current. All the current output terminals possess high-output impedance terminals. The active and passive sensitivities of the quadrature oscillator are low. The simulation and experimental results are included to validate the theoretical analysis.
doi_str_mv 10.1080/02564602.2017.1324329
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source Taylor and Francis:Jisc Collections:Taylor and Francis Read and Publish Agreement 2024-2025:Science and Technology Collection (Reading list)
subjects Current mode
Modulation
Quadrature oscillator
Voltage difference transconductance amplifier (VDTA)
Voltage mode
title A New Resistorless and Electronic Tunable Third-Order Quadrature Oscillator with Current and Voltage Outputs
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