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Book Title: DTIC AD0268507: High Average Power R F
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Language: english
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Post Date: 2025-04-14 10:02:04
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PDF Size: 0.85 MB
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Book Pages: 35
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DTIC AD0268507: High Average Power R F
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Description of the Book:
The arc-detector and protective circuit was modified to achieve a faster response time and positive operaton in the event of a waveguide arc; a special test system was developed to measure the response time. A system of auomatic attenuation was developed to reduce the highpower drive signal in the presence of a severe load mismatch. A heterodyne arrangement was devised to permit the low-power c-w oscillator signal to be used as a fixed-frequency marker on the swept-frequency response pattern of the ring resonator. he firt test window structure was tested at high levels of c-w power in the ring resonator. The structure consisted of a compression-sealed disc of sintered BeO cermic in a cylindrical waveguide joined by conical mode transducers. The window transmitted 75 kw of power without evidence of breakdown or change of electrical characteristics. Interna arcing occurred in the ring resonator at the 75 kw level.
A compression sealed double-disc window structure using thin sapphire discs was developed and cold tested. Some modifications were made to the BeO-disc water load to improve its bandwidth, and to increase the rate of water flow
- Creator/s: Defense Technical Information Center
- Date: 11/1/1961
- Year: 1961
- Book Topics/Themes: DTIC Archive, Churchill, D B, SPERRY GYROSCOPE CO GREAT NECK NY, *WAVEGUIDE WINDOWS, ALUMINUM COMPOUNDS, DIELECTRICS, SINGLE CRYSTALS, WAVEGUIDES, MICROWAVE EQUIPMENT, CERAMIC MATERIALS, SAPPHIRE, WAVE PROPAGATION, OXIDES, BROADBAND, ELECTRON TUBES, ELECTRON IRRADIATION, SEALS(STOPPERS), CAVITY RESONATORS, WAVEGUIDE COUPLERS, BERYLLIUM COMPOUNDS, SYNTHETIC STONES
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