Abstract
A current tunable voltage-mode biquad filter (VMBF) structure employing two current conveyor transconductance amplifiers (CCTAs) as active elements and three passive elements is described in the paper which has the ability to realizes all the generic responses like low-pass (LP), high-pass (HP), band-pass (BP), band-reject (BR), and all-pass (AP) filters. Thus, the proposed filter is universal. The filter structure is operated at supply rails of ±1 V. Moreover, the filter’s parameters can be controlled electronically and enjoy with reasonable total harmonic distortion and lower passive and active sensitivities. Using CMOS implemented CCTAs, the performance of the proposed circuit has been verified through P-SPICE in 0.18 μm CMOS technology from TSMC.
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Singh, S.V., Tomar, R.S. (2019). Current Tunable Voltage-Mode Universal Biquad Filter Using CCTAs. In: Rawat, B., Trivedi, A., Manhas, S., Karwal, V. (eds) Advances in Signal Processing and Communication . Lecture Notes in Electrical Engineering, vol 526. Springer, Singapore. https://doi.org/10.1007/978-981-13-2553-3_43
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DOI: https://doi.org/10.1007/978-981-13-2553-3_43
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