HISTORY AND PROGRESS OF THE TOW–THOMAS BI-QUADRATIC FILTER PART I: GENERATION AND OP AMP REALIZATIONS

Author:

SOLIMAN AHMED M.1

Affiliation:

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

Abstract

The history of Tow–Thomas second-order filter is reviewed. Two alternative generation methods of the Tow–Thomas filter are discussed. The first is a generation method from the second-order passive RLC filter and the second is from the multiple feedbacks inverting low-pass filter using a single op amp. Several forms of the circuit are briefly reviewed. Passive and active compensation methods to improve the circuit performance for high-Q designs are summarized. Spice simulation results are included.

Publisher

World Scientific Pub Co Pte Lt

Subject

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

Reference27 articles.

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3. G. Daryanani, Principles of Active Network Synthesis and Design (Wiley, 1976) pp. 339–358.

4. M. S. Ghausi and K. R. Laker, Modern Filter Design, Active RC and Switched Capacitor (Prentice Hall, Engelwood Cliffs, NJ, 1981) pp. 226–227.

5. M. E. Van Valkenburg, Analog Filter Design (Holt Rinehart and Winston, 1982) pp. 136–137.

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