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THIRD GENERATION CURRENT CONVEYOR BASED CURRENT-MODE FIRST ORDER ALL-PASS FILTER AND QUADRATURE OSCILLATOR

Journal Name:

  • Istanbul University Journal of Electrical & Electronics Engineering

Publication Year:

  • 2008

Key Words:

Author NameUniversity of AuthorFaculty of Author
Abstract (2. Language): 
A novel current-mode first order all-pass filter configuration is proposed. The proposed circuit uses a third generation current conveyor (CCIII), resistors and a capacitor. Since the output of the filter exhibits low output impedance the synthesized filter can be cascaded without additional buffers. To demonstrate the performance of the proposed filter a new current-mode quadrature oscillator is introduced as an application example. For non-ideal CCIII all-pass filter condition is derived and oscillation condition and frequency of the quadrature oscillator circuit are also presented. The theoretical results are verified with PSPICE simulations using CMOS realization of the CCIII.
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  • 1
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  • English

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