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Journal of Applied Sciences
  Year: 2005 | Volume: 5 | Issue: 8 | Page No.: 1445-1451
DOI: 10.3923/jas.2005.1445.1451
 
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A High Frequency CCII Based Tunable Floating Inductance and Current-mode Band Pass Filter Application

Dorra Sellami Masmoudi, Nadmia Bouaziz El Fek , Samir Ben Salem , Mourad Fakhfakh and Mourad Loulou

Abstract:
This study, introduced a new implementation of a CCII based floating inductance operating in class AB. In order to get tuneable characteristics of the proposed design, a translinear CCII configuration is used as a basic block owing to its high level of controllability. A frequency characterization of the translinear CCII is done. In order to optimize its static and dynamic characteristics, an algorithmic driven methodology is developed ending to the optimal transistor geometries. The optimized CCII has a current bandwidth of 1.28 GHz and a voltage bandwidth of 5.48 GHz. It is applied in the simulated inductance design. We first consider the conventional topology of the floating inductance based on the generalized impedance converter principle. Making use of controllable series parasitic resistance at port X in translinear CCII, we design tunable characteristics of the inductance. The effect of current conveyer’s nonidealities has been taken into account. A compensation strategy has been proposed. It is based on the insertion of a high active CCII based negative resistance and a very low passive resistance. The proposed compensation strategy does not affect the inductance tuning process. In deed, both processes are controlled separately by means of two different currents. Simulation results show that the proposed inductance can be tuned in the range (0.45 μA-;57.4 μH). The simulated inductance has been applied in a fully integrated tunable high frequency band pass filter to illustrate the versatility of the circuit. The filter is electrically tunable by controlling the conveyer’s bias current.
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How to cite this article:

Dorra Sellami Masmoudi, Nadmia Bouaziz El Fek , Samir Ben Salem , Mourad Fakhfakh and Mourad Loulou , 2005. A High Frequency CCII Based Tunable Floating Inductance and Current-mode Band Pass Filter Application. Journal of Applied Sciences, 5: 1445-1451.

DOI: 10.3923/jas.2005.1445.1451

URL: https://scialert.net/abstract/?doi=jas.2005.1445.1451

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