Ferrite-varactor X-band limiter

The conventional method of achieving reliable receiver protection for sensitive microwave receivers is to use a limiter consisting of a plasma stage and a varactor stage. The plasma limiter is used to reduce the incident power to a level that can be safely limited by the varactor device. The major p...

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Bibliographic Details
Published in1967 International Electron Devices Meeting p. 158
Main Authors Carter, J.L., McGowan, J.W.
Format Conference Proceeding
LanguageEnglish
Published IRE 1967
Subjects
Delay
Electron tubes
Ferrites
Microwave devices
Microwave theory and techniques
Packaging
Plasma applications
Plasma devices
Protection
Varactors
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Summary:The conventional method of achieving reliable receiver protection for sensitive microwave receivers is to use a limiter consisting of a plasma stage and a varactor stage. The plasma limiter is used to reduce the incident power to a level that can be safely limited by the varactor device. The major power that is incident on the varactor is the spike leakage pulse that is caused by the slow response time of the plasma device. The fast response time of the varactor makes it ideal for reducing the spike energy. The varactor cannot be used alone because of its limited power handling capacity and a catastrophic failure mechanism.
DOI:10.1109/IEDM.1967.187922