Full wave analysis of propagation characteristics of a through hole using the finite-difference time-domain method

Abstract

A full wave analysis of the propagation characteristics of a through hole (or via hole) carried out using the finite-difference time-domain (FD-TD) method is presented. Results are compared with measurements from a physical model. The effects of rod diameter and microstrip connecting angle are examined. The computer scattering parameters (S-parameters) of a through hole show excellent agreement with measured results from DC to high frequencies and in the time domain responses. It is also shown that at high frequencies radiation is at a significant level and rod diameter and microstrip connecting angle strongly influence the propagation characteristics of a through hole.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">&gt;</ETX>