Derivation of Oscillators from Biquadratic Band Pass Filters Using Circuit Transformations

Network transformations are the techniques to obtain new functional schemes from available circuits. They are systematic methodologies, since each transformation technique can be applied to many circuits to obtain the desired functions or characteristics. A convenient network transformation method,...

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Bibliographic Details
Main Authors: Hung-Yu Wang, Huu-Duy Tran, Quoc-Minh Nguyen, Li-Te Yin, Chih-Yi Liu
Format: Article
Language:English
Published: MDPI AG 2014-09-01
Series:Applied Sciences
Subjects:
Online Access:http://www.mdpi.com/2076-3417/4/4/482
Description
Summary:Network transformations are the techniques to obtain new functional schemes from available circuits. They are systematic methodologies, since each transformation technique can be applied to many circuits to obtain the desired functions or characteristics. A convenient network transformation method, exploiting different circuit transformations, for deriving linear sinusoidal oscillators from biquadratic band pass filters is proposed. This method with generality can be applied to any band pass filter. The oscillation frequency of the new obtained oscillator is identical to the center frequency of the original band pass filter, and the useful properties of the selected band pass filter can be retained. Two examples are illustrated to confirm the feasibility of the proposed approach. The workability of the obtained oscillators is verified with PSPICE simulations.
ISSN:2076-3417