Third-order intermodulation distorsion and harmonic genertion in mismatched weakly nonlinear transmission lines
This paper describes a procedure to obtain analytical expressions for the spurious signals generated in nonlinear transmission lines with impedance mismatch when they are subject to small-signals. Using these expressions one can rapidly extract the nonlinear parameters describing the nonlinear effec...
| Autores: | , , , , , , |
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| Tipo de recurso: | artículo |
| Fecha de publicación: | 2009 |
| País: | España |
| Institución: | Universitat Politècnica de Catalunya (UPC) |
| Repositorio: | UPCommons. Portal del coneixement obert de la UPC |
| Idioma: | inglés |
| OAI Identifier: | oai:upcommons.upc.edu:2117/2553 |
| Acceso en línea: | https://hdl.handle.net/2117/2553 https://dx.doi.org/10.1109/TMTT.2008.2009083 |
| Access Level: | acceso abierto |
| Palabra clave: | Microwave transmission lines Coplanar waveguides Ferroelectricity Equivalent circuit simulations Harmonic balance Impedance mismatch Nonlinear measurements Spurious signal measurements Superconducting transmission lines Third-order intermodulation distortion Transmission line theory Ferroelectrics Línies de transmissió de microones Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Radiocomunicació i exploració electromagnètica::Circuits de microones, radiofreqüència i ones mil·limètriques |
| Sumario: | This paper describes a procedure to obtain analytical expressions for the spurious signals generated in nonlinear transmission lines with impedance mismatch when they are subject to small-signals. Using these expressions one can rapidly extract the nonlinear parameters describing the nonlinear effects due to the conductor, L(i) and R(i), such as in superconductors, and/or the nonlinear parameters due to the dielectric, C(v) and G(v) such as in ferroelectrics. The resulting closed-form expressions have been validated by equivalent circuit simulations. Spurious signal measurements on several coplanar waveguide superconducting and ferroelectric transmission lines have been explained by the use of the resulting closed-form expressions. |
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