Super-reltron theory and experiments
A highly efficient, high-power microwave tube called super-reltron is reported. The authors have achieved operation at >400 MW with approximately 50% efficiency at 1 GHz, and 250 MW with 40% efficiency at 3 GHz. The RF pulse durations are typically a few hundred nanoseconds. These compact lightwe...
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| Veröffentlicht in: | IEEE transactions on plasma science 1992-06, Vol.20 (3), p.332-343 |
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| container_end_page | 343 |
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| container_issue | 3 |
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| container_title | IEEE transactions on plasma science |
| container_volume | 20 |
| creator | Miller, R.B. McCullough, W.F. Lancaster, K.T. Muehlenweg, C.A. |
| description | A highly efficient, high-power microwave tube called super-reltron is reported. The authors have achieved operation at >400 MW with approximately 50% efficiency at 1 GHz, and 250 MW with 40% efficiency at 3 GHz. The RF pulse durations are typically a few hundred nanoseconds. These compact lightweight tubes do not require an external magnetic field. The RF output coupling is straightforward and delivers the power directly via the fundamental TE/sub 10/ wave in a rectangular waveguide without a mode converter. The key features of the tube include (i) generation of a well-modulated electron beam by periodic virtual cathode formation, (ii) postacceleration of the modulated beam to reduce the relative electron energy spread, and (iii) a multicavity output section that efficiently extracts power without RF breakdown. Various theoretical aspects of the device are discussed and the experimental results are summarized.< > |
| doi_str_mv | 10.1109/27.142834 |
| format | Article |
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The authors have achieved operation at >400 MW with approximately 50% efficiency at 1 GHz, and 250 MW with 40% efficiency at 3 GHz. The RF pulse durations are typically a few hundred nanoseconds. These compact lightweight tubes do not require an external magnetic field. The RF output coupling is straightforward and delivers the power directly via the fundamental TE/sub 10/ wave in a rectangular waveguide without a mode converter. The key features of the tube include (i) generation of a well-modulated electron beam by periodic virtual cathode formation, (ii) postacceleration of the modulated beam to reduce the relative electron energy spread, and (iii) a multicavity output section that efficiently extracts power without RF breakdown. 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The authors have achieved operation at >400 MW with approximately 50% efficiency at 1 GHz, and 250 MW with 40% efficiency at 3 GHz. The RF pulse durations are typically a few hundred nanoseconds. These compact lightweight tubes do not require an external magnetic field. The RF output coupling is straightforward and delivers the power directly via the fundamental TE/sub 10/ wave in a rectangular waveguide without a mode converter. The key features of the tube include (i) generation of a well-modulated electron beam by periodic virtual cathode formation, (ii) postacceleration of the modulated beam to reduce the relative electron energy spread, and (iii) a multicavity output section that efficiently extracts power without RF breakdown. Various theoretical aspects of the device are discussed and the experimental results are summarized.< ></description><subject>426000 - Engineering- Components, Electron Devices & Circuits- (1990-)</subject><subject>440800 - Miscellaneous Instrumentation- (1990-)</subject><subject>BEAMS</subject><subject>BREAKDOWN</subject><subject>CATHODES</subject><subject>CAVITIES</subject><subject>EFFICIENCY</subject><subject>Electric breakdown</subject><subject>ELECTRODES</subject><subject>ELECTRON BEAMS</subject><subject>ELECTRON TUBES</subject><subject>ELECTRONIC EQUIPMENT</subject><subject>ENGINEERING</subject><subject>FABRICATION</subject><subject>FREQUENCY RANGE</subject><subject>GHZ RANGE</subject><subject>GHZ RANGE 01-100</subject><subject>LEPTON BEAMS</subject><subject>Magnetic fields</subject><subject>MICROWAVE EQUIPMENT</subject><subject>MICROWAVE TUBES</subject><subject>OPERATION</subject><subject>Optical modulation</subject><subject>OTHER INSTRUMENTATION</subject><subject>PARTICLE BEAMS</subject><subject>POWER</subject><subject>Power generation</subject><subject>PRODUCTION</subject><subject>PULSES</subject><subject>Radio frequency</subject><subject>Rectangular waveguides</subject><subject>RF SYSTEMS</subject><subject>Tellurium</subject><issn>0093-3813</issn><issn>1939-9375</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1992</creationdate><recordtype>article</recordtype><recordid>eNqF0EtLAzEUBeAgCtbqwq2rIiK4mJqbZPJYSvEFBRfqOqSZGzoyndQkBfvvHRnBpau7OB8H7iHkHOgcgJpbpuYgmObigEzAcFMZrupDMqHU8Ipr4MfkJOcPSkHUlE3I1etui6lK2JUU-1lZY0z7meubGX4NQbvBvuRTchRcl_Hs907J-8P92-KpWr48Pi_ulpXnvC4VSskUKOewEVoZJzgYBKnDirlAeQ1Kh4YqwTCYgOg1rIySnhllgm6k4FNyOfbGXFqbfVvQr33se_TFKqqUoHpA1yPapvi5w1zsps0eu871GHfZMi1BSKj_h7XWcqgc4M0IfYo5Jwx2Ozzu0t4CtT-rWqbsuOpgL0bbIuKfG8Nv3X1vxg</recordid><startdate>19920601</startdate><enddate>19920601</enddate><creator>Miller, R.B.</creator><creator>McCullough, W.F.</creator><creator>Lancaster, K.T.</creator><creator>Muehlenweg, C.A.</creator><general>IEEE</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>7U5</scope><scope>OTOTI</scope></search><sort><creationdate>19920601</creationdate><title>Super-reltron theory and experiments</title><author>Miller, R.B. ; McCullough, W.F. ; Lancaster, K.T. ; Muehlenweg, C.A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c335t-e662717aaed4879a4319e168fb2af035178fd0742ef9feec81b976c2979f8d643</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1992</creationdate><topic>426000 - Engineering- Components, Electron Devices & Circuits- (1990-)</topic><topic>440800 - Miscellaneous Instrumentation- (1990-)</topic><topic>BEAMS</topic><topic>BREAKDOWN</topic><topic>CATHODES</topic><topic>CAVITIES</topic><topic>EFFICIENCY</topic><topic>Electric breakdown</topic><topic>ELECTRODES</topic><topic>ELECTRON BEAMS</topic><topic>ELECTRON TUBES</topic><topic>ELECTRONIC EQUIPMENT</topic><topic>ENGINEERING</topic><topic>FABRICATION</topic><topic>FREQUENCY RANGE</topic><topic>GHZ RANGE</topic><topic>GHZ RANGE 01-100</topic><topic>LEPTON BEAMS</topic><topic>Magnetic fields</topic><topic>MICROWAVE EQUIPMENT</topic><topic>MICROWAVE TUBES</topic><topic>OPERATION</topic><topic>Optical modulation</topic><topic>OTHER INSTRUMENTATION</topic><topic>PARTICLE BEAMS</topic><topic>POWER</topic><topic>Power generation</topic><topic>PRODUCTION</topic><topic>PULSES</topic><topic>Radio frequency</topic><topic>Rectangular waveguides</topic><topic>RF SYSTEMS</topic><topic>Tellurium</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Miller, R.B.</creatorcontrib><creatorcontrib>McCullough, W.F.</creatorcontrib><creatorcontrib>Lancaster, K.T.</creatorcontrib><creatorcontrib>Muehlenweg, C.A.</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>OSTI.GOV</collection><jtitle>IEEE transactions on plasma science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Miller, R.B.</au><au>McCullough, W.F.</au><au>Lancaster, K.T.</au><au>Muehlenweg, C.A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Super-reltron theory and experiments</atitle><jtitle>IEEE transactions on plasma science</jtitle><stitle>TPS</stitle><date>1992-06-01</date><risdate>1992</risdate><volume>20</volume><issue>3</issue><spage>332</spage><epage>343</epage><pages>332-343</pages><issn>0093-3813</issn><eissn>1939-9375</eissn><coden>ITPSBD</coden><abstract>A highly efficient, high-power microwave tube called super-reltron is reported. The authors have achieved operation at >400 MW with approximately 50% efficiency at 1 GHz, and 250 MW with 40% efficiency at 3 GHz. The RF pulse durations are typically a few hundred nanoseconds. These compact lightweight tubes do not require an external magnetic field. The RF output coupling is straightforward and delivers the power directly via the fundamental TE/sub 10/ wave in a rectangular waveguide without a mode converter. The key features of the tube include (i) generation of a well-modulated electron beam by periodic virtual cathode formation, (ii) postacceleration of the modulated beam to reduce the relative electron energy spread, and (iii) a multicavity output section that efficiently extracts power without RF breakdown. Various theoretical aspects of the device are discussed and the experimental results are summarized.< ></abstract><cop>United States</cop><pub>IEEE</pub><doi>10.1109/27.142834</doi><tpages>12</tpages></addata></record> |
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| ispartof | IEEE transactions on plasma science, 1992-06, Vol.20 (3), p.332-343 |
| issn | 0093-3813 1939-9375 |
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| subjects | 426000 - Engineering- Components, Electron Devices & Circuits- (1990-) 440800 - Miscellaneous Instrumentation- (1990-) BEAMS BREAKDOWN CATHODES CAVITIES EFFICIENCY Electric breakdown ELECTRODES ELECTRON BEAMS ELECTRON TUBES ELECTRONIC EQUIPMENT ENGINEERING FABRICATION FREQUENCY RANGE GHZ RANGE GHZ RANGE 01-100 LEPTON BEAMS Magnetic fields MICROWAVE EQUIPMENT MICROWAVE TUBES OPERATION Optical modulation OTHER INSTRUMENTATION PARTICLE BEAMS POWER Power generation PRODUCTION PULSES Radio frequency Rectangular waveguides RF SYSTEMS Tellurium |
| title | Super-reltron theory and experiments |
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