Microwave Crossed Field Tubes » Exercise - 1 6. Which of the following microwave tube amplifier uses an axial magnetic field and radial electric field ? (a) Coaxial magnetron (b) CFA (c) Travelling wave magnetron (d) Reflex klystron
Microwave Crossed Field Tubes » Exercise - 1 4. If the instantaneous RF potentials on the two sides of a magnetron cavity are of opposite polarity, the operation is in the : (a) π/4 mode (b) π/2 mode (c) π mode (d) 2π mode
Microwave Crossed Field Tubes » Exercise - 1 10. TWT is preferred to multicavity klystron amplifier because it is : (a) More efficient (b) Greater B.W. (c) Has higher number of modes (d) Produces a higher output power
Microwave Crossed Field Tubes » Exercise - 1 3. For proper operation, a magnetron must be accompanied by a : (a) cavity resonator (b) strong electric field (c) permanent magnet (d) high dc voltage