Printed circuit board with low noise

Details Printed circuit board with low noise Printed circuit board with low noise

2006-10-31

2006-10-31

Patel, Ishwar (Department: 2841)

Electricity: conductors and insulators

Conduits, cables or conductors

Preformed panel circuit arrangement

C361S777000, C333S012000, C174S255000

Reexamination Certificate

active

07129419

ABSTRACT:
The present invention relates to a printed circuit board with low noise. A voltage source layer and a ground layer of the printed circuit board are divided into an analog area and a digital area respectively via an isolation line, and adapted to conduct voltage source signal and ground signal respectively. Because the isolation line is an open pattern and a capacitor adapts to position near the opening, the noise and the electro-magnetic parameter of the printed circuit board are reduced.

REFERENCES:
patent: 5068596 (1991-11-01), Banura
patent: 5561584 (1996-10-01), Tang
patent: 5587920 (1996-12-01), Muyshondt et al.
patent: 5926377 (1999-07-01), Nakao et al.

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