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Systematic realization of low-frequency oscillators using composite passive-active resistors

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1 Author(s)
A. S. Elwakil ; Dept. of Electron. & Electr. Eng., Univ. Coll. Dublin, Ireland

A systematic method for realizing low-frequency oscillators is described. The method is applicable to any simple harmonic oscillator configuration and is based on replacing a selected passive resistor with a composite passive-active resistor. Two possible configurations for the composite resistor are discussed. The classical Wien-bridge oscillator is then modified using one of these configurations. PSPICE circuit simulations and experimental results are included

Published in:

IEEE Transactions on Instrumentation and Measurement  (Volume:47 ,  Issue: 2 )