Cathode-Driven Crossed-Field Amplifier

George H. MacMaster; Laurence J. Nichols

doi:10.1117/12.940794

24 September 1987 Cathode-Driven Crossed-Field Amplifier

George H. MacMaster, Laurence J. Nichols

Proceedings Volume 0791, Millimeter Wave Technology IV and RF Power Sources; (1987) https://doi.org/10.1117/12.940794
Event: 1987 Technical Symposium Southeast on Optics, Electro-Optics, and Sensors, 1987, Orlando, FL, United States

Abstract

Experimental cathode-driven (circuit-on-emitting-sole) crossed-field amplifiers have been designed and built at S-band under a Navy program (Contract No. N00039-79-C-0295). Peak and average power levels achieved were approximately one uegawatt and 20 kilowatts, respectively. Gain was nominally 30 dB at efficiencies as high as 807. Operating voltages were typically near 30 kV. Cathode-anode (circuit) isolation was better than 20 dB. Noise measurements indicated superior noise performance. CDCFAs were operated reliably for hundreds of hours. There are good prospects that efficiency, gain, and cathode-anode isolation can be iuproved even further with this device.

Citation Download Citation

George H. MacMaster and Laurence J. Nichols "Cathode-Driven Crossed-Field Amplifier", Proc. SPIE 0791, Millimeter Wave Technology IV and RF Power Sources, (24 September 1987); https://doi.org/10.1117/12.940794

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