Publication | Closed Access
1.2: Sub-millimeter and THz power amplifier development at northrop grumman
24
Citations
3
References
2010
Year
Unknown Venue
Thz PhotonicsTerahertz TechnologyEngineeringPower ElectronicsVacuum DevicesTerahertz PhotonicsElectromagnetic CompatibilityRf SemiconductorElectronic EngineeringNorthrop GrummanDepressed CollectorComputational ElectromagneticsElectrical EngineeringOverall Device EfficiencyFolded WaveguideHigh-frequency DeviceAntennaTerahertz ScienceMicroelectronicsLow-power ElectronicsTerahertz TechniqueOptoelectronics
Vacuum electronic (VE) power amplifiers are being developed between 100 GHz and 1 THz. Minimum power goals are 50 watts at 220 GHz, and 100 mW at 670 GHz. These devices will use advanced, high current density cathodes, a folded waveguide as the slow-wave circuit, and a depressed collector for overall device efficiency. Operation at duty cycles of 50-100% is anticipated.
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