Analysis and Design of Switched Transmission Line Circuits for High-power Wide-band Radiation

High-power wide-band (HPWB) radiators have been studied for a number of applications such as electromagnetic car stoppers. Switched transmission line circuits (STLCs) are widely used as ultra-wide-band (UWB) and wide-band (WB) pulse generators in HPWB radiators. Since the performance of a STLC depends on the methods used to connect the switch to the transmission line, in the stage of conceptual design, we qualitatively determine a method for the connection so as to increase the amplitude of the radiated electric fields and the energy efficiency. We present a circuit analysis for the STLC built by using this method. The results of the analysis are useful for understanding and designing HPWB radiators using STLCs. A couple of HPWB radiators based on this approach are introduced as examples.