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- Title
Cascadable and Tunable Analog Building Blocks Using EX-CCCII.
- Authors
Maheshwari, Sudhanshu; Agrawal, Deepak
- Abstract
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 0.25m parameters with a supply voltage of V.
- Subjects
ANALOG circuits -- Design &; construction; TUNABLE lasers; CONVEYING machinery; FREQUENCIES of oscillating systems; CAPACITORS; ELECTRIC filters
- Publication
Journal of Circuits, Systems & Computers, 2017, Vol 26, Issue 6, p-1
- ISSN
0218-1266
- Publication type
Article
- DOI
10.1142/S0218126617500931