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Microwave Engineering
book

Microwave Engineering

by Ahmad Shahid Khan
May 2014
Intermediate to advanced content levelIntermediate to advanced
800 pages
24h 50m
English
CRC Press
Content preview from Microwave Engineering
401Basics of Microwave Tubes
This energy will completely return to the electric eld by the time the elec-
tron returns to the cathode. As noted at the end of Section 11.3.3, this case is
similar to that depicted by Equation 11.36 since only E and B are present. In
this case, the electron emerging from the cathode follows a cycloidal path. It
returns to the cathode or may fall into the anode as per the conditions noted
above.
ac eld present: In the presence of an ac eld, let
αω
ω ω
0
2
2
0
2
1
2
=
(11.48a)
and
ω ω= 1 1.
0
(11.48b)
The substitution of Equation 11.48b in Equation 11.48a gives
α = =( ) .V V
1
/ 1 5
0
0 0
(11.48c)
Equation 11.48c obtained from ...
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Publisher Resources

ISBN: 9781466591417