A Method for Automated Calculation of the Transfer Function of a Pulse Voltage Converter Taking into Account Parasitic Elements
The purpose of the study is to consider the influence of the parasitic components of the printed circuit board and discrete components of the circuit on the transfer characteristic of the converter control loop. The objectives are to show that the method of calculating the transfer function of the module is integrated and can be automated in CAD. The hypothesis of this research is as follows: the urgency of the problem of modeling constant voltage sources with megahertz conversion frequencies is shown. A new method for calculating the transfer function of a module based on modeling is proposed, taking into account deviations due to the presence of parasitic components. Methods and results achieved are as follows: the described technique can be automated and integrated into modern CAD systems. The paper presents the simulation results and the transfer function of the U-shaped LC filter is obtained. Changes in the form of the amplitude-frequency and phase-frequency characteristics of subcircuits in the high-frequency region are substantiated.