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 - 1 11. A traveling wave tube consists of : (a) electron gun, helix and repeller (b) electron gun, helix and collector (c) electron gun, repeller and collector (d) buncher cavity and catcher cavity
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