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Transmission lines carrying high-speed I/O signals that traverse through different metal layers in a printed circuit board suffer from return path discontinuities. As a result, significant amount of electromagnetic energy can couple to surrounding circuits and the power distribution network. In this work, we designed three printed circuit board (PCB) test vehicles using different power distribution...
Transmission lines carrying high speed I/O signals can couple significant amount of electromagnetic energy to power distribution network (PDN) which can then adversely affect signal and power integrity of the entire electrical system. Similarly the reverse is also true. In this paper we present three printed circuit board designs with different power distribution topologies and show through measurement...
This paper presents a new power distribution scheme using power transmission lines (PTLs) applied to complex printed circuit boards. The structure consists of three daughter cards stacked on a motherboard where the board–board connectors used for connection are highly inductive. We show that in spite of the inductive connections, good signal integrity (SI) and power integrity (PI) are possible without...
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