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First harmonic analysis: a circuit theory point of view

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3 Author(s)
Sebastiao Bonatti, I. ; Sch. of Electr. & Comput. Eng., Univ. of Campinas, Brazil ; Peres, P.L.D. ; Pomilio, J.A.

The first harmonic method is usually applied to nonlinear system analysis, being particularly adequate for the study of oscillations. As shown in this paper, oscillators analysis can be performed by using only basic concepts of circuit theory. The nonlinearities present in the oscillator electric circuits are approximated, via the first harmonic method, by resistance or source-controlled equivalent circuit elements, and the resulting linear circuits are entirely analyzed via conventional circuit theory. As a result, the analysis of electric oscillators and the first harmonic method are introduced in a comprehensible electric circuit context

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Education, IEEE Transactions on  (Volume:42 ,  Issue: 1 )