METHODS OF IDT CHARGE SPATIAL SPECTRUM EVALUATION

摘要

Interdigital transducers (IDTs) have found numerous applications in electronic devices for excitation and detection of surface acoustic waves (SAWs). This paper discusses the methods of solution of the electrostatic problem arising in modelling of the IDT most important characteristic — its frequency response. Numerical results are presented based on the so-called spectral approach. Computation difficulties Me discussed and their solutions are proposed.