Review of mathematics for network synthesis – Partial – fraction expansion, Continued – fraction expansion, Bilinear transformation. The Positive Real Concept – Hurwitz Polynomials, Analytic tests for positive real functions, Positive – Definite and Positive – Semi – Definite Quadratic forms. Realizability Conditions for networks with and without transformers (magnetic coupling) Realization of Driving – Point Functions – Canonical forms – LC, RC and RL Driving – Point functions.