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A method is presented to get the distributed characteristic of impedance and the locations of decoupling capacitors on power-ground(PG) planes for minimizing the impedance design. Multi-port networks method based on the integral equation is proposed to model the PG pair with voltage regulator module(VRM) and decoupling capacitors, the distributed characteristic of impedance is analyzed by ports reduced...
The power supply grids of integrated circuits (ICs) are interconnected through silicon vias (TSVs) to form a 3-D chip integration in vertical direction. The required currents for each functional device to operate in the ICs are supplied through power and ground TSV pairs and power distribution meshes. Accurate estimation of power/ground noises (static and dynamic drops) in a 3-D power distribution...
Simultaneous switching noise (SSN, also called delta-I noise) has become a tremendous challenge to the reliable operation of high speed electronic circuits. Etching narrow slots on the power or ground plane is one of the efficient techniques to isolate the SSN. A new method for modeling SSN of power-ground planes with narrow slot is proposed in this paper. Firstly, the gapped power-ground planes characteristic...
In this paper, we propose a novel design of embedded filter for the noise decoupling between power and ground planes. At its isolation band, this compact filter provides a short path for the return current of the signal. Therefore, it prevents the propagation of the digital switching noise along the power distribution network, and improves the power integrity. This embedded filter provides the noise...
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