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Analog IP Reuse in Nano Technologies, design and reuse

Analog IP Reuse in Nano Technologies

Sherif Hammouda, Hazem Said, Mohamed Dessouky, Mohamed Tawfik, Quang Nguyen, Wael Badawy, Hazem Abbas, Hussein Shaheen, “Analog IP Reuse in Nano Technologies, design and reuse,” April 6, 2006.

The Operational Floating Current Conveyor and Its Application

A five-port general-purpose analog building block, termed as an Operational Floating Current Conveyor (OFCC), is described. The OFCC combines the features of current feedback operational amplifier, second-generation current conveyor and operational floating conveyor. An implementation scheme of the OFCC is described and its terminal operational characteristics are used to yield a working device. The OFCC is then used as a single block to realize the current conveyors (CCII+ and CCII-) as well as the four basic amplifiers (i.e., voltage, current, transconductance, and transresistance amplifiers). The applications of the OFCC are presented and discussed. In the field of the analog filter synthesis, we proposed a new active universal second order filter using OFCC. It has three inputs and one output employing two OFCC, two capacitors and three resistors and can realize lowpass, bandpass, highpass, notch, and all pass filters from the same configuration. The proposed universal filters offer the following advantageous features: using active elements for the same type (OFCC). No requirement for component matching or cancellation constraints, which makes the filter easier to design, orthogonal adjustment of ω0 and Q and the circuits have low sensitivity. The simulation and experimental results are obtained and discussed.

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Yehya Ghallab, Wael Badawy, M. Abo El-Ella, and M. Elsaid, “The Operational Floating Current Conveyor and Its Application“, Journal of Circuits, Systems and Computers, Volume 15, No. 3, June 2006, pp. 351–372.