Microwave Linear Beam Tubes » Exercise - 14. In a klystron amplifier, velocity modulation of the electron beam is produced by the : (a) collector (b) catcher cavity (c) buncher cavity (d) cathode
Microwave Linear Beam Tubes » Exercise - 110. At what position is the input signal inserted into a traveling-wave tube ? (a) at the cathode end of the helix (b) at the collector (c) at the collector end of the helix (d) at the control grid of the electron gun
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 - 1 12. Which of the following is considered as the major advantage of using a helix traveling wave tube ? (a) cheaper (b) less noise (c) high power (d) wide bandwidth
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