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Feasibility analysis of specialized PEEC solvers in comparison to SPICE-like solvers

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Abstract

The Partial Element Equivalent Circuit (PEEC) method provides an electric equivalent circuit for a physical geometry. This circuit can be combined with external passive/active lumped elements, enabling the simulation and co-design of combined circuit and electromagnetic (EM) structures. The resulted circuit can be solved in a dedicated solver, or equivalently can be exported to a SPICE-like solver. In this paper, the inclusion of passive and active lumped circuit elements in PEEC method has been studied and a combined solver has been developed. To demonstrate the capability of the solver, three structures are examined. All examples include a transmission line-PEEC model and active components. Results are compared with those from OrCAD, where an analytical model for the transmission line is used. Good agreement between the results shows the feasibility of using PEEC to solve this type of mixed problems. Also, comparison has been made in terms of implementation and feasibility for the aim of developing the optimal EM solver with active elements support. It is shown that SPICE is not a suitable choice to solve the PEEC models and, a specialized solver can solve the system in a much faster way. On the other hand, all the definitions and models of circuit devices e.g. transistors, MOSFETs, etc. should be implemented in the specialized solver, which raises a trade-off between the solution time and the implementation time.

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  1. Department of Computer Science, Electrical and Space Engineering, Luleå University of Technology, Luleå, Sweden

    Sohrab Safavi & Jonas Ekman

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  1. Sohrab Safavi
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  2. Jonas Ekman
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Correspondence to Sohrab Safavi.

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Safavi, S., Ekman, J. Feasibility analysis of specialized PEEC solvers in comparison to SPICE-like solvers. J Comput Electron 11, 440–452 (2012). https://doi.org/10.1007/s10825-012-0425-8

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