Home / MCQ Bank / Electronics and Communication
Electronics and Communication Microwave Communication Difficulty: Medium

What is the purpose of the electromagnetic field which surrounds a traveling-wave tube?

Select the correct option to test your answer:

More Electronics and Communication Questions

A two port network is described by the relation V 1 = 2I 1 + 3V 2 I 2 = -I 1 + 2V 2 Then Z-parameter of such network is 'T'h'e' 'c'u'r'r'e'n't' 'g'a'i'n' 'o'f' 'a' 'b'i'p'o'l'a'r' 't'r'a'n's'i's't'o'r' 'd'r'o'p's' 'a't' 'h'i'g'h' 'f'r'e'q'u'e'n'c'i'e's' 'b'e'c'a'u's'e' 'o'f' The minimum step-size required for a Delta-Modulator operating at 32 K samples/sec to track the signal (here u(t) is the unit-step function) x(t) = 125t(u(t) - u(t - 1)) + (250 - 125t)(u(t - 1) - u(t - 2)) so that slope-overload is avoided, would be In which one of the following techniques, RF binary signals are transmitted as given? 0 : $$\sqrt 2 $$ p'(t)cos[ω C - (∆ω/2)]t 1 : $$\sqrt 2 $$ p'(t)cos[ω C + (∆ω/2)]t Which of the following cannot be connected in series unless they are identical?