Microwave Linear Beam Tubes » Exercise - 17. In a TWT, the electron beam is density-modulated by a : (a) permanent magnet (b) modulation transformer (c) helix (d) cavity resonator
Microwave Linear Beam Tubes » Exercise - 12. Decreasing the volume of a cavity causes its resonant frequency to : (a) increase (b) decrease (c) remain the same (d) drop to zero
Microwave Linear Beam Tubes » Exercise - 13. Which of the following is not a microwave tube ? (a) traveling-wave tube (b) cathode-ray tube (c) klystron (d) magnetron
Microwave Linear Beam Tubes » Exercise - 19. Attenuator is used in the traveling wave tube to : (a) prevent oscillation (b) increase gain (c) prevent saturation (d) all of these