Electronically tunable MOSFET-only current-mode biquad filter |
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| Affiliation: | 1. Department of Naval Architecture and Marine Engineering, Bandirma Onyedi Eylul University, Balikesir 10200, Turkey;2. Department of Electrical and Electronics Engineering, Marmara University, Istanbul 34722, Turkey;3. Department of Electronics and Communication Engineering, Istanbul Technical University, Istanbul 34469, Turkey;4. Department of Electrical and Electronics Engineering, Istanbul University, Istanbul 34320, Turkey;1. Communications and Information Technologies Department, Universidad Politécnica de Cartagena, Campus de la Muralla del Mar s/n, Cuartel de Antigones, Cartagena 30202, Spain;2. Inria Sophia Antipolis-Mditerrane, 2004 route des Lucioles-BP 93 06902, France;1. Nanoelectronics Integrated Systems Center (NISC), Nile University, Giza, Egypt;2. Department of Physics, Electronics Laboratory, University of Patras, Patras, GR-26504, Greece;3. Dept. of Engineering Mathematics and Physics, Cairo University, Giza, Egypt;4. School of Engineering and Applied Sciences, Nile University, Giza, Egypt;1. Department of Management Information Systems, Bogazici University, Bebek, Istanbul 34342, Turkey;2. Department of Telecommunications, Brno University of Technology, Technicka 3082/12, 616 00 Brno, Czech Republic;3. Department of Microelectronics, Brno University of Technology, Technicka 3058/10, 616 00 Brno, Czech Republic;4. Department of Electrical and Electronics Engineering, Bogazici University, Bebek, Istanbul 34342, Turkey |
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| Abstract: | A novel current mode MOSFET-only structure with multi-input single-output (MISO) is proposed. The proposed circuit is free from passive circuit elements like resistors and capacitors and able to realize low-pass (LP), band-pass (BP), high-pass (HP), band-stop (BS) and all-pass (AP) filter functions with using the same circuit configuration. It is also important to note that the proposed filter has electronic tunability property. The proposed circuit is laid-out in the Cadence environment using 0.18 µm TSMC CMOS technology parameters. The layout area is only 408 μm2 and the power consumption is about 0.6 mW. Furthermore, to investigate the performance of the BP filter output of the proposed MISO filter, Monte Carlo and corner analyses are also presented. It is shown that the mismatches and the process variations cause only small deviations for the BP filter configuration. Furthermore, the noise performance of the proposed filter is also investigated. |
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| Keywords: | Current mode filter Multi-input single-output Electronically tunable MOSFET-only Analog filter design Analog integrated circuit |
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