Wave transmission lines and networks – Coupling networks – Balanced to unbalanced circuits
Patent
1998-07-16
2000-05-09
Gensler, Paul
Wave transmission lines and networks
Coupling networks
Balanced to unbalanced circuits
333 33, H01P 5107
Patent
active
060609591
ABSTRACT:
A transducer is connected between a wave-guide tube and a microstrip line, has an antenna probe formed on a multi-layered insulating structure over the opening of the wave-guide tube and connected between the microstrip line and a ground plane, and an inter-level conductive pattern is formed around the zone over the opening so that the zone propagates electromagnetic wave between the wave-guide tube and the microstrip line without undesirable electromagnetic influences from a semiconductor bare chip mounted on the multi-layered insulating structure.
REFERENCES:
patent: 4716386 (1987-12-01), Lait
patent: 5528074 (1996-06-01), Goto et al.
patent: 5912598 (1999-06-01), Stones et al.
Gensler Paul
NEC Corporation
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