Cascadable and Tunable Analog Building Blocks Using EX-CCCII

Maheshwari, S and Agrawal, D. (2017) Cascadable and Tunable Analog Building Blocks Using EX-CCCII. Journal of Circuits, Systems and Computers, 26 (6). ISSN 2181266

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A new cascadable voltage-input, current-output first-order all-pass filter and its applications in second-order filter and oscillator are presented. The proposed circuit employs a single active element namely extra-X current-controlled current conveyor (EX-CCCII) and only a single grounded capacitor. The circuit exhibits high input and high output impedances, so that the filter can be cascaded without additional buffers. The pole frequency is electronically tunable and the circuit requires no component matching constraints. Effects of nonidealities and parasitics are also discussed. As applications, a second-order transadmittance (TA)-mode all-pass filter and a quadrature oscillator are also realized using the proposed voltage-input, current-output first-order all-pass filter. These examples validate easy cascading feature of the proposed circuit. The validity of the proposed circuit is verified through PSPICE simulations using 0.25μm parameters with a supply voltage of ±1.25V.

Item Type: Article
Uncontrolled Keywords: Analog circuits; analog signal processing; circuit design; current conveyors
Subjects: T Technology > T Technology (General)
Divisions: Faculties > Faculty of Engineering and Technology > Zakir Husain College of Engineering & Technology > Department of Electronics Engineering
Depositing User: AMU Library
Date Deposited: 08 Feb 2018 04:18
Last Modified: 08 Feb 2018 05:16

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