{"id":4210,"date":"2026-10-23T17:00:22","date_gmt":"2026-10-23T08:00:22","guid":{"rendered":"https:\/\/www.muratasoftware.com\/en\/?post_type=case&#038;p=4210"},"modified":"2026-10-23T17:00:22","modified_gmt":"2026-10-23T08:00:22","slug":"her019","status":"publish","type":"case","link":"https:\/\/www.muratasoftware.com\/en\/case\/her019\/","title":{"rendered":"Estimation of Equivalent-Circuit Parameters Using Electromagnetic-Wave Analysis"},"content":{"rendered":"\n<figure class=\"wp-block-table blockPattern__table\"><table><thead><tr><th>General<\/th><th>The equivalent-circuit parameters are estimated from the S-parameters calculated in Electromagnetic-Wave Analysis Example 18.<\/th><\/tr><\/thead><tbody><tr><td>Model<\/td><td>The model used in Electromagnetic-Wave Analysis Example 18 is employed.<br>To extract the characteristics of the capacitor section, the characteristics of the microstrip line are removed by de-embedding.<br>Then, assuming the circuit configuration of the model, the impedance is calculated from the S-parameters.<\/td><\/tr><tr><td>Results<\/td><td>The equivalent series resistance (ESR) and equivalent series capacitance (ESC) are calculated. The ESC value is close to the equivalent capacitance obtained from electrostatic-field analysis, confirming good agreement between the two results.<\/td><\/tr><tr><td>Keywords<\/td><td>Electromagnetic-wave analysis, Component model, Equivalent circuit, S-parameters, Impedance, Admittance<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div class=\"wp-block-columns blockPattern__column is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p><\/p>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6aedbb25c354e&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6aedbb25c354e\" class=\"wp-block-image size-full wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"506\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" 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