Sub power plane to provide emc filtering for vlsi devices

Details Sub power plane to provide emc filtering for vlsi devices Sub power plane to provide emc filtering for vlsi devices

H - Electricity

05

K

356/1

H05K 1/02 (2006.01) H03H 1/00 (2006.01)

Patent

CA 2036758

Electromagnetic filtering for a VLSI device having multiple power input leads is realized by employing a sub-power plane which is physically separate from a main power distribution system on a circuit board. The sub-power plane is placeddirectly under a corresponding VLSI device. Decoupling capacitors are connected to the sub-power plane and, in turn, to each of the power input leads on the VLSI device. Power is supplied from the main power distribution system to the sub-power plane via a ferrite bead type filter.

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