Computation of the frequency response of multiple planes in gigahertz packages and boards

Abstract

This paper discusses a simple and efficient method for computing the frequency response of a plane pair stack-up in multi-layered packages and boards. This method is suitable for high speed digital systems where the skin effect approximation is valid. The results have been compared to S-parameter measurements and show good correlation in the frequency range 50 MHz-1 GHz. The effects of decoupling capacitors on the frequency response have also been computed.