Title :
Effects of discrete bypass capacitors in Power/Ground planes with EBG structures
Author :
Farzan, S. Mohamad Dawood ; Ramahi, Omar M.
Author_Institution :
C-DOT Alcatel Lucent Res. Centre, Chennai
Abstract :
Electromagnetic bandgap (EBG) structures integrated into the parallel plane pairs are highly effective in mitigating the propagation of Electromagnetic noise. The intentional increase of the inductance in the EBG patterned plane pairs to create a bandgap affects the charge delivery to the switching devices from the nearby bypass capacitors. This paper analyses the charge delivery in Power/Ground planes patterned with EBG structure. To benchmark the results, a parallel plate waveguide (PPW) of similar dimension and bypass capacitor placement was simulated. It was found that the antiresonant peaks in the self impedance profile were shifted to lower frequencies in planes with EBG structures causing high transient noise.
Keywords :
capacitors; electromagnetic interference; interference suppression; parallel plate waveguides; photonic band gap; switching circuits; EBG structures; charge delivery analyses; discrete bypass capacitors effects; electromagnetic bandgap structures; electromagnetic noise; high transient noise; inductance; parallel plate waveguide; power-ground planes; propagation mitigation; self impedance profile; switching devices; Electromagnetic interference; Electromagnetic propagation; Electromagnetic waveguides; Impedance; Inductance; Metamaterials; Pattern analysis; Periodic structures; Photonic band gap; Power capacitors; Bypass capacitors; Electromagnetic bandgap structure; Switching Noise;
Conference_Titel :
Electromagnetic Compatibility, 2008. EMC 2008. IEEE International Symposium on
Conference_Location :
Detroit, MI
Print_ISBN :
978-1-4244-1699-8
Electronic_ISBN :
978-1-4244-1698-1
DOI :
10.1109/ISEMC.2008.4652127
