Title :
High-impedance electromagnetic surfaces for parallel-plate mode suppression in high-speed digital systems
Author :
Kamgaing, Telesphor ; Ramahi, Omar M.
Author_Institution :
Motorola Semicond. Products Sector, Tempe, AZ, USA
Abstract :
This paper discusses the application of high-impedance electromagnetic surfaces (HIS) for EMI shielding in high-speed circuits. The limitations of the HIS with straight vias are investigated and an improved solution proposed. The new solution can mitigate noise from DC up to 4 GHz.
Keywords :
circuit noise; digital circuits; electric impedance; electromagnetic interference; electromagnetic shielding; printed circuit design; 0 to 4 GHz; EMI shielding; PCB; high-impedance EM surfaces; high-impedance electromagnetic surfaces; high-speed circuits; high-speed digital systems; parallel-plate mode suppression; power plane design; spiral inductor-like element; straight vias; total noise mitigation; Capacitors; Circuit noise; Cutoff frequency; Digital systems; Inductance; Metamaterials; Microprocessors; Periodic structures; RLC circuits; Semiconductor device noise;
Conference_Titel :
Electrical Performance of Electronic Packaging, 2002 IEEE 11th Topical Meeting on
Conference_Location :
Monterey, CA, USA
Print_ISBN :
0-7803-7451-7
DOI :
10.1109/EPEP.2002.1057932
