Reflective wave compensation on high speed processor cards

Details Reflective wave compensation on high speed processor cards Reflective wave compensation on high speed processor cards

1993-12-29

1996-08-06

Cosimano, Edward R.

Boots, shoes, and leggings

326 30, 364574, 370 321, 379406, H04B 1500

Patent

active

055440479

ABSTRACT:
Packaged signal muting circuits (e.g. on primed circuit cards or boards), route pulse signals with very short rise times from a lossy driver to multiple devices. In these routing circuits, a complex network of conductors branches from a common junction adjacent the driver output into multiple (in the disclosed embodiment, three) conduction paths of unequal length. In accordance with the invention, the internal impedance of the driver is matched to the aggregate characteristic impedance of the branch paths, and a loss less compensating circuit is attached to a shortest branch path. The compensating circuit is designed to transfer signal reflections of predetermined form to the branching junction at the driver via the shortest branch.

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