radio frequency range

A mathematical model for determining the temperature of an electrically conductive plate element under the action of pulsed electromagnetic radiation of the radio-frequency range is proposed.  This model allows us to take into account the influence of the process of thermoelastic energy dissipation on the forecasting of the value of temperature in addition to the joule heat.  This process is determined by thermal expansion and the action of poendromotive forces arising in the element.  This approach allows us to predict a decrease in the error of temperature determination.  On this basis, t

Broadband transfer power wattmeter with the correction of the own consumption error for measuring the active power against the background of large reactive components in the radio frequency range is considered in article. Objects of research are electromagnetic elements (chokes / transformers), operating at high frequencies till units of megahertz and are inherent in the strongly distorted forms of signals. Features of the construction of the input link of the wattmeter of transfer power with the middle point of the shunt are described.