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[3, 2011] 

Journal of Electrical Engineering, Vol 62, 3 (2011) 126-133; 10.2478/v10187-011-0021-3

A NEW TYPE OF CURRENT CONVEYOR AND ITS APPLICATION IN FULLY BALANCED DIFFERENTIAL CURRENT-MODE ELLIPTIC FILTER DESIGN

Qiujing Zhang – Chunhua Wang – Jingru Sun – Sichun Du

   This paper introduces a new type of CMOS-based current conveyor: current controlled fully balanced second generation current conveyor (CFBCCII) element which has a pair of differential Y~terminals, a pair of differential X~terminals and two pairs of Z~terminals. The proposed circuit offers electronic tuning possibilities by means of a current adjustable intrinsic resistance at its X~terminal. An elliptic filter realization is described as an example for its application in a current-mode fully balanced filter design, where the intrinsic resistors in CFBCCIIs are used for the electronic tuning of the characteristic filter frequency.

Keywords: automation, current mode, differential, current conveyor, elliptic filter


[full-paper]


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