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A transformation of a circuit containing voltage-controlled current sources is investigated. By the transformation a node is eliminated. Transformation formulas are derived, and a condition and a procedure for inverse transformation are given. Then the transformation is applied to element-value calculation. The inaccessible nodes in a network are eliminated one by one by the transformation and a sequence of networksN₀, N₁, ⋯ , Nf-1, andNfare obtained, whereN₀is the original network andNfis the final network which contains accessible nodes only and whose element-values or parameter-values can be determined from measurements. The backward process involves revival of inaccessible nodes one by one, and the procedure for inverse transformation is applied to determine, if possible, the element-values inNf-1from those inNf, those inNf-2from those inNf-1and so on until those inN₀calculated.
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Ozawa et al. (1983) studied this question.
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