•High power at sub-THz frequencies
•Very wide band (up to two octaves)
•High efficiency (up to 40 -50%)
•Very robust to environmental condition (TWT are used in satellites)
Thanks to Hua Wang, Fei Wang, et al., “Power Amplifiers Performance Survey 2000-Present,” [Online]. Available: https://gems.ece.gatech.edu/PA_survey.html
To resolve
– Fabrication
– Large scale production
– Low cost
– High voltage power supply