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
Answer:A
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