GENERATION OF THE MINIMUM COMPONENT OSCILLATORS FROM SALLEN KEY FILTERS

Author:

SOLIMAN AHMED M.1

Affiliation:

1. Electronics and Communication Engineering Department, Faculty of Engineering, Cairo University, Egypt 12613, Egypt

Abstract

Two new minimum passive component oscillators using inverting current conveyor (ICCII–) acting as a voltage negative impedance converter are generated from the Sallen Key low-pass and high-pass filters. It is also shown that the Sallen Key low-pass, high-pass, and band-pass filters are the origin of the three minimum component oscillators using the current conveyor acting as a current negative impedance converter. In addition, it is also shown that the Sallen Key high-pass and band-pass filters are the origin of the two minimum component oscillators using single input single output transconductance amplifier as the active element. Although this paper is considered partially a review paper it includes new generation methods and new minimum component oscillator circuit realizations. Simulation results for the new oscillators using ICCII– are included.

Publisher

World Scientific Pub Co Pte Lt

Subject

Electrical and Electronic Engineering,Hardware and Architecture,Electrical and Electronic Engineering,Hardware and Architecture

Reference28 articles.

1. Generation of current conveyor based oscillators using nodal admittance matrix expansion

2. A practical method of designing RC active filters

3. L. T. Bruton, RC Active Circuits, Theory and Design (Prentice Hall, 1980) pp. 354–372.

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