3835421 is referenced by 13 patents.

Three coplanar conductive surfaces on the top surface of a dielectric substrate form a microwave transmission line having first and second transmission modes used in the construction and operation of various microwave devices, such as amplifiers unbalanced-to balanced transmission line transformers and directional couplers.

Title
Microwave transmission line and devices using multiple coplanar conductors
Application Number
05/401,554
Publication Number
3835421
Application Date
September 27, 1973
Publication Date
September 10, 1974
Inventor
Napoli Louis Sebastian
De Brecht Robert Eugene
Agent
Mahoney Donald E
Lazar Joseph D
Norton Edward J
Assignee
RCA Corporation
IPC
H03h 07/42
H01p 05/10
H01P 05/18
H01P 05/16
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