Wave transmission lines and networks – Coupling networks – With impedance matching
Patent
1995-04-03
1996-12-10
Gensler, Paul
Wave transmission lines and networks
Coupling networks
With impedance matching
333247, 333260, H01P 508
Patent
active
055834680
ABSTRACT:
A high frequency transition (10) from a microstrip transmission line (57) to an MMIC coplanar waveguide (41) is provided. The microstrip transmission line (57) is representative of that typically encountered in a high frequency RF module on a first substrate (11). The MMIC coplanar waveguide (41) is representative of that encountered in low cost MMICs fabricated on a semiconductor substrate (56). An interface (15) couples the microstrip transmission line (57) to a mode converter (16). Mode converter (16) provides impedance mismatch compensation and coplanar waveguide propagation mode conditions for a connector coplanar waveguide (34) which connects from the first substrate (11) to the semiconductor substrate (56). An impedance transformer (40) provides additional impedance mismatch compensation on the semiconductor substrate (39) to complete the transition.
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Brownlee Paul L.
Christensen Richard J.
Kielmeyer Ronald F.
Vassar William M.
Buford Kevin A.
Gensler Paul
Motorola Inc.
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