Title :
A method of automatic placement that reduces electromagnetic radiation noise from digital printed circuit boards
Author :
Fukumoto, Y. ; Miura, S. ; Ikeda, H. ; Nakayama, T. ; Tanimoto, S. ; Uemura, H.
Author_Institution :
Multimedia Dev. Center, Matsushita Electr. Ind. Co. Ltd., Osaka, Japan
Abstract :
An algorithm for automatic component placement that reduces electromagnetic (EM) noise from digital printed circuit boards is presented. First, the components are divided into groups by using a rule-based expert system along with a circuit´s netlist and parts list. Then, the grouped components are placed by using a novel placement algorithm called “EMI balance placement.” Finally, components that have a net length restriction are placed. To show the validity of the algorithm, the layout result of the proposed method for the main board of a multimedia equipment is compared with that of the conventional method
Keywords :
circuit layout CAD; digital circuits; electromagnetic compatibility; electromagnetic interference; interference suppression; knowledge based systems; multimedia communication; noise; printed circuit layout; telecommunication terminals; EM radiation noise reduction; EMC design; EMI balance placement; PCB layout; automatic component placement algorithm; automatic placement method; circuit netlist; digital printed circuit boards; electromagnetic radiation noise reduction; multimedia equipment; parts list; rule-based expert system; Circuit noise; Circuit simulation; Clocks; Digital printing; Electromagnetic compatibility; Electromagnetic interference; Electromagnetic radiation; Electronic design automation and methodology; Noise reduction; Printed circuits;
Conference_Titel :
Electromagnetic Compatibility, 2000. IEEE International Symposium on
Conference_Location :
Washington, DC
Print_ISBN :
0-7803-5677-2
DOI :
10.1109/ISEMC.2000.875594
