Loaded parallel stub common mode filter for differential...

Details Loaded parallel stub common mode filter for differential... Loaded parallel stub common mode filter for differential...

2011-06-07

2011-06-07

Pascal, Robert (Department: 2817)

Wave transmission lines and networks

Coupling networks

Frequency domain filters utilizing only lumped parameters

C333S185000

Reexamination Certificate

active

07956704

ABSTRACT:
The present invention provides a novel structure that can be used to filter certain selected frequencies of common mode signals. The structure comprises a stub connected in parallel to a transmission line with termination at the end. It is suitable for implementation on printed circuit boards or backplanes, but it can be also used within the chip, either on die or package substrate. The structure can be also used as an equalizer, and can be used in designing an analog equalizer for high-speed circuits.

REFERENCES:
patent: 2474277 (1949-06-01), Pickles
patent: 6016089 (2000-01-01), Goudie
patent: 7421058 (2008-09-01), Popescu et al.

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