Тип публикации: доклад, тезисы доклада, статья из сборника материалов конференций
Конференция: International Siberian Conference on Control and Communications, SIBCON 2019; Tomsk; Tomsk
Год издания: 2019
Ключевые слова: antenna tuner, complex impedance measurement, Matching network
Аннотация: A simple but accurate method for determining the complex impedance of an arbitrary load is described. This method does not require the use of a vector network analyzer or phase measurement. Two measurements of the reflection coefficient modulus S11 are carried out for an unknown load. The first measurement is performed for the singПоказать полностьюle load. Then the known active resistance is to be connected in series to the load and the measurement is repeated. By means of Smith chart, it is shown that the load resistance and reactance can be derived from the known value of additional resistance and two values of S11 magnitude. Formulas are given that allow calculating of the complex impedance from the data obtained by measurements. Experimental verification has been carried out that showed the feasibility of the method. The described method could be useful for the realization of matching networks and antenna tuners.
Журнал: 2019 International Siberian Conference on Control and Communications, SIBCON 2019 - Proceedings
Номера страниц: 8729602
Издатель: Institute of Electrical and Electronics Engineers Inc.