Abstract:In this paper, a 3D model of an existing IC socket used for a QFP packaged chip with 48 pins on a 0.5mm pitch is built in Ansys's three-dimensional electromagnetic simulation software HFSS. Three different types of pin are simulated and their signal transmission characteristics are analyzed by comparing the simulated S-parameters. On the basis of this socket, a new socket physical model for QFP-48 is proposed with the change of pin's structure. The simulated S-parameters of the same pins show that the modified… Show more
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