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Efficient phenomenologically-based 1-D evaluation of the impedance matrix in a MPIE analysis of planar microstrip circuits

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3 Author(s)
Cervelli, F. ; Ist. di Elettronica, Perugia Univ., Italy ; Mongiardo, M. ; Tarricone, L.

The analysis of microstrip circuits via integral equation techniques has proven as the most efficient, and yet rigorous and full-wave, approach. Nonetheless, the latter requires the evaluation of the impedance matrix which elements, in turn, are generally obtained after a two-dimensional numerical integration. We introduce a coordinate transformation allowing to reduce for the mixed potential integral equation, the numerical integration to a one-dimensional case. Moreover, by using the spatial domain closed-form of the Green's function and by phenomenologically separating the relevant contributions, we demonstrate that a significant reduction of computer times is indeed feasible and achievable.

Published in:

Microwave Symposium Digest, 1998 IEEE MTT-S International  (Volume:3 )

Date of Conference:

7-12 June 1998