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Design and modelling of a cost-effective embedded filter for low-impedance power distribution network

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2 Author(s)
Xing-Chang Wei ; Computational Electronics and Photonics, Institute of High Performance Computing, Singapore ; Er-Ping Li

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 isolation in the high frequencies bands. The isolation band is tunable by adjusting the dimensions of the filter. The performance of noise isolation and band tuning are demonstrated through simulation results. At the same time, the equivalent circuit of the power and ground planes with the embedded filter is derived. A simple and efficient de-embedding method is used to extract the admittance of this embedded filter. By comparing with the full-wave method, the accuracy of the proposed circuit model and the de-embedding extraction method are verified.

Published in:

19th Topical Meeting on Electrical Performance of Electronic Packaging and Systems

Date of Conference:

25-27 Oct. 2010