Technical memorandum: design of millimetre wave dielectric resonators for integrated circuits

Whispering gallery modes in high permittivity right cylindrical dielectric resonators are shown to be very useful at millimetre wavelengths since they offer a high Q factor and their oversized dimensions make them easy to manufacture. Using a dielectric waveguide model, simple expressions are generated that accurately predict the resonant frequencies of the WGE whispering gallery modes within right cylindrical dielectric resonators placed on a dielectric integrated circuit substrate of lower permittivity. Theoretical and experimental results are given and the accuracy of the proposed model is shown to be good.