Wave transmission lines and networks – Plural channel systems
Patent
1992-05-11
1994-01-11
Gensler, Paul
Wave transmission lines and networks
Plural channel systems
333238, 361792, H01P 308
Patent
active
052785246
ABSTRACT:
A multi-layered printed circuit board for mounting and interconnecting the terminals of multi-terminal electronic components. The circuit board mounts the electronic components one side of the circuit board and provides for interconnecting the terminals of the electronic components. A transmission line arrangement is configured from layers of the circuit board for distributing a signal with fast rise and fall times to electronic components mounted on the circuit board. The transmission line arrangement includes a narrow conductive strip surrounded by four constant voltage conductors spaced from the narrow conductive strip by dielectric material. The constant voltage conductors comprise a first planar conductive layer above the narrow conductive strip and spaced therefrom by one of the dielectric layers, a second planar conductive layer below the narrow conductive strip and spaced therefrom by the other dielectric layer, and a pair of coplanar conductive strips between the two layers of dielectric material and lying parallel to and coplanar with the narrow conductive strip, one on each side of the narrow conductive strip. The invention additionally encompasses a panel board embodiment in which the transmission line arrangement, including at least two constant voltage planes surrounding the narrow conductive strip, is embedded in the multi-layered board.
REFERENCES:
patent: 4047132 (1977-09-01), Krajewski
patent: 4560962 (1985-12-01), Barrow
patent: 4812792 (1989-03-01), Leibowitz
patent: 4845311 (1989-07-01), Schreiber et al.
patent: 4854038 (1989-08-01), Wiley
patent: 4904968 (1990-02-01), Theus
patent: 5150088 (1992-09-01), Virga et al.
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