Matched load simulation for multiport microstrip structures

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Matched load simulation for multiport microstrip structures

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A new approach to the simulation of a matched load for the characterisation of multiport passive microstrip structures is introduced. The approach, implemented with the integral equation technique and the method of moments, numerically simulates a matched load termination at an output port of a microstrip structure and allows the full determination of S parameters through simple postprocessing of the standing wave at the input side. Its implementation, computed results, and experimental verification for some microstrip structures are presented in the Letter.

Inspec keywords: simulation; multiport networks; microstrip components; load (electric); S-parameters; integral equations; microwave circuits

Other keywords: multiport-microstrip structures; standing wave; method of moments; matched load termination; load simulation; passive microstrip structures; S-parameters; integral equation technique

Subjects: Integral equations (numerical analysis); Waveguide and microwave transmission line components; Microwave circuits and devices

References

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      • H. Ghali , M. Drissi , J. Citerne , V. Fouad Hanna . (1992) Numerical simulation of a virtual matched load for the characterization of planar discontinuities, IEEE MTT-S Dig..
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      • Yeung, E.K.L.: `Multi-layer two-port microstrip discontinuities', October 1992, Master's Thesis, Dept. of Elec. Eng., Queen's University, Kingston, Ontario, Canada.
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      • J.R. Mosig , F.E. Gardiol . General integral equation formulation for microstrip antennas and scatters. IEE Peoc. H , 424 - 432
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      • S. Couture , J.C. Beal , Y.M.M. Antar . (1992) The cubic spline interpolation of a standing-wave's envelope, IEEE AP-S Dig..
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