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Y. L. Chow, J. J. Yang, D. G. Fang and G. E. Howard, “A Closed-Form Spatial Green’s Function for the Thick Microstrip Substrate,” IEEE Transactions on Microwave Theory and Techniaues, Vol. 39, 1991, pp. 588-592. doi:10.1109/22.75309

has been cited by the following article:

• TITLE: Quasi-Dynamic Green’s Functions for Efficient Full-Wave Integral Formulations for Microstrip Interconnects

  AUTHORS: Andrea G. Chiariello, Antonio Maffucci

  KEYWORDS: Full-Wave Models; Green’s Function; Integral Formulations; Microstrip Interconnects

  JOURNAL NAME: Journal of Electromagnetic Analysis and Applications, Vol.4 No.2, February 29, 2012

  ABSTRACT: Integral formulations are widely used for full-wave analysis of microstrip interconnects. A weak point of these formulations is the inclusion of the proper planar-layered Green’s Functions (GFs), because of their computational cost. To overcome this problem, usually the GFs are decomposed into a quasi-dynamic term and a dynamic one. Under suitable approximations, the ?rst may be given in closed form, whereas the second is approximated. Starting from a general criterion for this decomposition, in this paper we derive some simple criteria for using the closed-form quasi-dynamic GFs instead of the complete GFs, with reference to the problem of evaluating the full-wave current distribution along microstrips. These criteria are based on simple relations between frequency, line length, dielectric thickness and permittivity. The layered GFs have been embedded into a full-wave transmission line model and the results are ?rst benchmarked with respect to a full-wave numerical 3D tool, then used to assess the proposed criteria.