Back to Search
Start Over
DC power-bus design using FDTD modeling with dispersive media and surface mount technology components
- Source :
- IEEE Transactions on Electromagnetic Compatibility. Nov, 2001, Vol. 43 Issue 4, p579, 9 p.
- Publication Year :
- 2001
-
Abstract
- DC power-bus modeling in high-speed digital design using the finite-difference time-domain (FDTD) method is demonstrated herein. The dispersive character of the dielectric layers used in printed circuit board substrates is taken into account in this study. In particular, FR-4 is considered. The complex permittivity of the dielectric is approximated by a Debye model. A wide-band frequency response (100 MHz-5 GHz) is obtained through a single FDTD simulation. Good agreement is achieved between the modeled and measured results for a typical dc power-bus structure with multiple surface mount technology (SMT) decoupling capacitors placed on the printed circuit board (PCB). The FDTD method is then applied to investigate some general approaches of power-bus noise decoupling. Index Terms--DC power-bus, Debye model, dispersive media, finite-difference-time-domain method, power-bus noise decoupling, surface mount technology.
Details
- ISSN :
- 00189375
- Volume :
- 43
- Issue :
- 4
- Database :
- Gale General OneFile
- Journal :
- IEEE Transactions on Electromagnetic Compatibility
- Publication Type :
- Academic Journal
- Accession number :
- edsgcl.82375160