Current mode first order universal filter and multiphase sinusoidal oscillator |
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| Affiliation: | 1. Micro-electronics and Instrumentation Laboratory University of Monastir Monastir, Tunisia;2. Micro-electronics and Instrumentation Laboratory University of Monastir Monastir, Tunisia Centre for Research on Microelectronics and Nanotechnology of Sousse, Technopole of Sousse, Tunisia;1. Electronics Laboratory, Physics Department, University of Patras, Rio Patras 26504, Greece;2. Department of Electrical & Computer Engineering, College of Engineering, University of Sharjah, P.O. 27272, Sharjah, United Arab Emirates;3. Department of Electrical and Computer Engineering, University of Calgary, Alberta T2N 1N4, Canada;1. Department of Radio Electronics, Brno University of Technology, Technicka 3082/12, Brno 616 00, Czech Republic;2. Department of Telecommunications, Brno University of Technology, Technicka 3082/12, Brno 616 00, Czech Republic;3. Department of Electrical Engineering and Computer Science, College of Polytechnics Jihlava, Tolsteho 16, Jihlava 586 01, Czech Republic;1. Department of Telecommunications Engineering, Faculty of Engineering, King Mongkut’s Institute of Technology Ladkrabang, Bangkok 10520, Thailand;2. Department of Engineering Education, Faculty of Industrial Education and Technology, King Mongkut’s Institute of Technology Ladkrabang, Bangkok 10520, Thailand;3. Department of Microelectronics, Brno University of Technology, Technická 10, Brno, Czech Republic;4. Faculty of Biomedical Engineering, Czech Technical University in Prague, nám. Sítná 3105, Kladno, Czech Republic |
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| Abstract: | In this article a new current mode first order universal filter with single input and multiple outputs is proposed. The realization uses single dual-X multiple output second generation current conveyor (DX-MOCCII) and two passive grounded components. The presented circuit provides high-pass, low-pass and non-inverting and inverting all-pass responses simultaneously, all at different high impedance outputs. The realized circuit does not require any component matching constraint and all the sensitivities are found low. As an application the non-inverting all-pass filter is cascaded in a close loop with the current mode non-inverting integrator to design a current mode multiphase sinusoidal oscillator (MSO) having six phases. Voltage mode six phase sinusoidal oscillator is also achieved by resistively loading the current mode outputs. The analysis such as phase noise, non-ideality, stability and Monte Carlo are presented and discussed. The presented theory and its results are validated using 0.25 µm process parameters of TSMC in PSPICE simulator. |
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| Keywords: | Current mode (CM) First order Universal filter Analog building block (ABB) DX-MOCCII Multiphase sinusoidal oscillator (MSO) |
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