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Cancellation circuit that suppresses electromagnetic interference

[Category : - Computers and computer accessories ]
[Viewed 141 times]

The invention is a cancellation circuit that suppresses electromagnetic interference in a high speed circuit, which achieves the objects of canceling the magnetic field and coupling the electric field through a differential signal under the premise of not affecting the signal quality. The differential signal is generated from the original high speed circuit using a phase shifter. Suitable phase shifters include a same-layer type, a meander type and a different-layer stacking type.