Title :
Ultra-low noise figure traveling-wave tube in X-band
fDate :
12/1/1967 12:00:00 AM
Abstract :
Noise figures of 2.8 dB have been achieved in an X-band TWT by increasing the magnetic field, cooling to liquid nitrogen temperature, and inverting the second anode potential.
Keywords :
Anodes; Cathodes; Electron tubes; Magnetic fields; Magnetic liquids; Magnetic noise; Nitrogen; Noise figure; Temperature; Voltage;
Journal_Title :
Electron Devices, IEEE Transactions on
DOI :
10.1109/T-ED.1967.16122