Results 231 to 240 of about 748,493 (246)
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L-Band matched-impedance tetrode
1971 International Electron Devices Meeting, 1971The tube to be described is a coaxial broadband tetrode of novel design developed for use in phased-array radars at frequencies to 1500 MHz. The program objectives for the tube and amplifier were operation at 1325 MHz with 1500 watts pulsed rf output power. Pulse length and duty were to be 1200 microseconds and 0.06, respectively.
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Monolithic transistor SPST switch for L-band
IEEE Transactions on Microwave Theory and Techniques, 2002A comparison of single-pole single-throw switch topologies is presented in this paper. A three-MESFET monolithic GaAs switch was designed, for 2-GHz operation, fabricated and tested in three different bias conditions: V/sub bias/ = 0 (self-bias); I/sub bias/ = 0 (floating); and V/sub bias/ /spl ne/ 0, I/sub bias/ /spl ne/ 0 (biased).
J.A. Torres, J.C. Freire
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L-band airborne linear aesa design features
2013 IX Internatioal Conference on Antenna Theory and Techniques, 2013L-band linear small element AESA for airborne radar is considered. Main problems and design features of linear airborne L-band AESA are shown. Key characteristics of AESA devices and typical radiation patterns of linear L-band AESA are presented. Results of L-band airborne AESA energetic efficiency estimation are shown.
Ageev, P. A. +2 more
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2009 IEEE International Geoscience and Remote Sensing Symposium, 2009
Radio Frequency Interference (RFI) is a major concern for microwave radiometry. In September-October 2008, an airborne campaign for observing L-band RFI was conducted and included approximately fifty hours of flight time. The campaign included test flights in Grand Junction, Colorado, observations over soil moisture ground truth sites in Iowa and ...
Majurec, Ninoslav +4 more
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Radio Frequency Interference (RFI) is a major concern for microwave radiometry. In September-October 2008, an airborne campaign for observing L-band RFI was conducted and included approximately fifty hours of flight time. The campaign included test flights in Grand Junction, Colorado, observations over soil moisture ground truth sites in Iowa and ...
Majurec, Ninoslav +4 more
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4th IEEE International Conference on Vacuum Electronics, 2003, 2004
In this paper an IOT electron gun with an established track record in UHF broadcast and science application was analyzed to determine the change of bunch waveform and fundamental rf current versus frequency. The results were 1) it turned out that deviations from the theoretically predicted bunch waveform already occurred at about 100 MHz, obviously ...
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In this paper an IOT electron gun with an established track record in UHF broadcast and science application was analyzed to determine the change of bunch waveform and fundamental rf current versus frequency. The results were 1) it turned out that deviations from the theoretically predicted bunch waveform already occurred at about 100 MHz, obviously ...
openaire +1 more source
1978 Antennas and Propagation Society International Symposium, 2005
R. Stockton, L. Dod
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R. Stockton, L. Dod
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MSAT L-band antenna subsystems
15th International Communicatons Satellite Systems Conference and Exhibit, 1994openaire +1 more source