measurement tools , Usb, DDR, Pcie, TDR, SI PI simulation, electromagnetic theory, de-embedding methodologies, packaging connector and board design for power signal integrity, Cadence, VNA, GDDR, SIwave, high-speed digital signaling interfaces, Ads, optical interconnects simulations, test board design fixtures, Ansys HFSS, electrical modeling EDA tools, analog characterization, high speed oscilloscope, digital circuit analysis, processing of s-parameters