IGNOU PHE 16 2026 - Explain the procedure of stub matching in transmission lines.

Question

Explain the procedure of stub matching in transmission lines.

28 Jan 2026

Answer :

Word Count : 289

Stub matching is a widely used impedance matching technique in transmission lines to ensure maximum power transfer and to minimize reflections caused by load mismatch. The basic idea of stub matching is to add a short section of transmission line, known as a stub, at a specific location along the main transmission line so that the combined impedance becomes equal to the characteristic impedance of the line. The stub may be either open-circuited or short-circuited and is usually connected in shunt or sometimes in series with the main line. The procedure begins

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