Wave transmission lines and networks – Long lines – Shielded type
Patent
1993-09-27
1995-07-25
Gensler, Paul
Wave transmission lines and networks
Long lines
Shielded type
333 34, 324627, H01P 100, H01P 306
Patent
active
054366038
ABSTRACT:
A TEM mode cell having an internal TEM element and at least one port on the cell, the cell comprising a stepped transmission line transformer coupling the internal TEM element to the port. The stepped transmission line transformer of the TEM mode cell has transfer characteristics selected to give maximum cancellation of VSWR in the cell and thereby enable optimum cell bandwidth. The TEM mode test cell comprises a hollow metallic housing having an enlarged center section with opposite open ends, and a pair of end sections, each end section closing off a respective one of the center section open ends and tapering to a distal end of reduced cross sectional area. A connector is provided at the distal end of each end section, and a stepped septum is mounted within the housing and insulated therefrom, the septum coupled to and extending between the connectors.
REFERENCES:
patent: 4267531 (1981-05-01), Spinner et al.
patent: 4539528 (1985-09-01), Bayraktaroglu et al.
patent: 4837581 (1969-06-01), Hansen et al.
patent: 5142253 (1992-08-01), Mallavarpu et al.
Hall, Impedance Matching By Tapered OR Stepped Transmission Lines, Microwave Journal, Mar. 1966, pp. 109-114.
Fischer Custom Communications, Inc.
Gensler Paul
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