![]() S parameter computation Cable: RG58 Length: 5cm Frequency range: 0-10GHz Characteristic Impedance Z0: 49.94Ω SPICE simulation performed by MC9 Comparison between CST & SPICEĮquivalent circuit used by CST for S11 & S21 computation 50 Ω RG58: length=5 cm, Z0=49.94Ω Equivalent circuit to compute S parameters by CST DESIGN STUDIO File: Ex_coax_S_5cm.cstĮquivalent circuit used by MC9 (SPICE) for theoretic S11 & S21 computation rs ts εrεr 2rw Coaxial cable geometry 50Ω SPICE circuit Z0=49.94Ω File:S_LOSSYTL_ANALYTICAL_110GHZ.CIR (MC9) Introduction Typical source and load voltage waveforms for an interconnect matched at both ends: lossless TL (dashed line), frequency-dependent lossy TL (solid line) When TL has characteristic impedance different from the loads, distortions occur Outline Introduction S parameter computation Voltage computations in time domain with a step source Voltage computations in time domain with an Ultra Wide Band (UWB) source Conclusion RG58 coaxial cable model in CST CABLE STUDIO S. ![]() Presentation on theme: "RG58 coaxial cable model in CST CABLE STUDIO S. ![]()
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