Circuit board configuration for reducing signal distortion

Details Circuit board configuration for reducing signal distortion Circuit board configuration for reducing signal distortion

1989-04-07

1990-02-27

Gensler, Paul

Wave transmission lines and networks

Long line elements and components

Strip type

333247, 174250, 439 92, H01P 500

Patent

active

049049682

ABSTRACT:
A circuit board configuration for I/O devices and logic devices, wherein the I/O devices have current levels substantially higher than the current levels associated with the logic devices. The I/O devices are grouped adjacent a connector, and a ground return plane surrounds the I/O devices coupling the ground terminals of the I/O devices to the ground pins of the connector. The logic devices are spaced some distance away from the connector where the ground terminals of the logic devices are connected through vias to a ground plane. The ground return plane, forming a strip line with the ground, plane, is effective for isolating the I/O devices and reducing signal distortion on the board.

REFERENCES:
patent: 4100516 (1978-07-01), Hall
patent: 4751613 (1988-06-01), Werdin et al.
patent: 4788766 (1988-12-01), Burger et al.

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