Wave transmission lines and networks – Plural channel systems – Having branched circuits
Patent
1991-10-15
1993-09-21
Pascal, Robert J.
Wave transmission lines and networks
Plural channel systems
Having branched circuits
333262, 333263, 174 163, H01P 110
Patent
active
052472671
ABSTRACT:
A coaxial microwave device, such as a microwave switching device, for example, having improved thermal and power handling characteristics. At least one thermally conductive short-circuit element is located between inner (input and output) and outer conductors of the microwave coaxial or switching device. Consequently, heat losses generated in the inner conductors are conductively channeled away from heat sensitive materials. Typically, quarter-wavelength elements provide a thermal path to reduce heat buildup, thus enabling the microwave coaxial device or switching device to operate at higher RF power levels without overstressing components or materials. However, short circuit elements having element lengths other than one-quarter-wavelength may be employed to offset mismatches in a transmission line, for example. Furthermore, the short circuit elements may be used singularly or in pairs to provide for improved thermal and power handling characteristics in the devices in which they are used.
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Morgen Robert
Yee Harold H.
Denson-Low W. K.
Ham Seung
Hughes Aircraft Company
Lindeen III G. R.
Pascal Robert J.
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