Before revision: (1) Electron gun; (2) RF input; (3) Magnets; (4) Attenuator; (5) Helix coil; (6) RF output; (7) Vacuum tube; (8) Collector Ruselectronics TWT from the 1980s used in the Russian Gorizont communication satellites A traveling-wave tube (TWT, pronounced " Tee W Tee " or traveling-wave tube amplifier (TWTA, pronounced " Tee W Tee A ") is a specialized vacuum tube that is used in electronics to amplify radio frequency (RF) signals in the microwave range.
After revision: (1) Electron gun; (2) RF input; (3) Magnets; (4) Attenuator; (5) Helix coil; (6) RF output; (7) Vacuum tube; (8) Collector Ruselectronics TWT from the 1980s used in the Russian Gorizont communication satellites A traveling-wave tube (TWT, pronounced " twit " or traveling-wave tube amplifier (TWTA, pronounced " tweeta) ") is a specialized vacuum tube that is used in electronics to amplify radio frequency (RF) signals in the microwave range.