Simulating FPGA Power Integrity Using S-Parameter Models (WP411) - The purpose of a Power Distribution Network (PDN) is to provide power to electrical devices in a system. If a user determines the self-impedance (frequency) and knows the current (frequency) of the PDN, then the voltage (frequency) can be determined. The self-impedance (frequency) can easily be determined by simulating the frequency domain self-impedance profile of the PDN and is, thus, the subject of this white paper.