TWT Amplifiers, Traveling Wave Tube Amplifiers, Microwave Amplifiers,... | | | | High Power Traveling Wave Tube Amplifiers (TWTA), High Voltage Power Systems and Test Equipment... for Microwave Tubes. Quarterwave manufactures a complete line of popular Traveling Wave Tube Amplifiers. We have a selective inventory of Traveling Wave Tubes (TWT) and Traveling... Wave Tube Amplifiers (TWTA) available separately or integrated to system requirements. Quarterwave's TWTA are currently being used as transmitters in sophisticated Synthetic Aperture...