Quadrature oscillator and universal filter based on translinear current conveyors |
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| Affiliation: | 1. Sagar Institute of Science and Technology, Bhopal, India;2. ABV-Indian Institute of Information Technology and Management, Gwalior, India;1. Department of Electronics and Communication Engg., National Institute of Technology (NIT), Rourkela, Odisha 769008, India;2. Department of Electronics and Communication Engg., Institute of Engineering and Management (IEM), Gurukul Campus, Sector V, Kolkata, WB 700 091, India;3. Department of Electronics and Telecommunication Engg., Jadavpur University, Kolkata 700 032, India;1. Department of ECE, Sethu Institute of Technology, India;2. Department of ECE, Thiagarajar College of Engineering, India;1. Department of Electronics and Communication Engineering, SRM Institute of Science and Technology, Kattankulathur 603203, Tamil Nadu, India;2. Department of Electronics and Communication Engineering, National Institute of Technology Tiruchirappalli, Tiruchirappalli 620015, Tamil Nadu, India;1. Department of ECE, Institute of Technology, Guru Ghasidas Vishwavidyalaya, (Central University), Bilaspur, India;2. Institute of Radio Physics and Electronics, University of Calcutta, India;3. DETS, University of Kalyani, Calcutta, India |
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| Abstract: | This paper presents quadrature oscillator and universal filter based on translinear current conveyors. The proposed circuit can realize as a quadrature oscillator or a universal filter without changing the circuit topology. When it works as a quadrature oscillator, four quadrature current outputs and two quadrature voltage outputs can be obtained. The condition and frequency of oscillation of oscillator can be controlled orthogonally and electronically. When it works as a universal filter, low-pass, band-pass, high-stop, band-stop, and all-pass filtering functions can be obtained simultaneously. The natural frequency and quality factor of filters can be controlled orthogonally and electronically. The proposed topology is simulated using PSPICE simulators and experimental results are also used to confirm workability of new circuit. |
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| Keywords: | Quadrature oscillator Universal filter Translinear current conveyor Current-mode circuit Mixed-mode circuit |
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