|
Magnetic lines of force passing between cavities are intercepted in ___
|
|
0
|
306
|
June 16, 2022
|
|
The greatest power output is produced in what magnetron mode of operation?
|
|
0
|
121
|
June 16, 2022
|
|
In a magnetron, the total action of many electrons returning to ___
|
|
0
|
369
|
June 16, 2022
|
|
Energy from working electrons is received by which of the following magnetron fields?
|
|
0
|
119
|
June 16, 2022
|
|
In the electron-resonance magnetron, the total electric field is ___
|
|
0
|
141
|
June 16, 2022
|
|
In electron-resonance magnetrons, which of the following anode blocks is/are used?
|
|
0
|
489
|
June 16, 2022
|
|
In magnetrons, the effect of filament bombardment can be reduced by ___
|
|
0
|
115
|
June 16, 2022
|
|
In a negative-resistance magnetron, which, if any, of the ___
|
|
0
|
132
|
June 16, 2022
|
|
Magnetron oscillators are divided into what total number of classes?
|
|
0
|
116
|
June 16, 2022
|
|
The critical value of magnetic field strength in a magnetron causes ___
|
|
0
|
146
|
June 16, 2022
|
|
In a magnetron, what causes the path of an electron to curve when it is ___
|
|
0
|
122
|
June 16, 2022
|
|
What property in a magnetron is controlled by the cavities in the plate?
|
|
0
|
174
|
June 16, 2022
|
|
In a magnetron, the magnetic field between the plate and cathode serves what purpose?
|
|
0
|
99
|
June 16, 2022
|
|
A microwave tube that extracts energy from a wave that travels from the ___
|
|
0
|
121
|
June 16, 2022
|
|
In a twt, what is the purpose of the attenuators along the helix?
|
|
0
|
112
|
June 16, 2022
|
|
Velocity modulation of the electron beam in a twt is achieved by what action?
|
|
0
|
210
|
June 16, 2022
|
|
In a twt, what is the primary purpose of the helix?
|
|
0
|
160
|
June 16, 2022
|
|
Which of the following twt characteristics makes it ideal for use as an rf amplifier?
|
|
0
|
133
|
June 16, 2022
|
|
The term "dBm" is based on what standard reference level?
|
|
0
|
141
|
June 16, 2022
|
|
The term "bel" is a unit of measurement that expresses ___
|
|
0
|
132
|
June 16, 2022
|
|
In the higher modes, power and amplitude limitations in ___
|
|
0
|
176
|
June 16, 2022
|
|
In a reflex klystron, the choice of operating mode is determined by ___
|
|
0
|
116
|
June 16, 2022
|
|
A reflex klystron in which the constantspeed electrons remain in ___
|
|
0
|
156
|
June 16, 2022
|
|
In a reflex klystron, the length of time a constant speed electron remains in ___
|
|
0
|
143
|
June 16, 2022
|
|
In a reflex klystron, what type(s) of electrical charge, if any, does the repeller have?
|
|
0
|
111
|
June 16, 2022
|
|
The repeller of a reflex klystron replaces what component in other types of klystrons?
|
|
0
|
144
|
June 16, 2022
|
|
The bandwidth of a multicavity klystron can be increased by ___
|
|
0
|
124
|
June 16, 2022
|
|
In a three-cavity klystron, what cavity, if any, contributes most to ___
|
|
0
|
101
|
June 16, 2022
|
|
What is the purpose of applying a large negative pulse to ___
|
|
0
|
152
|
June 16, 2022
|
|
In a klystron, the placement of additional cavities between the ___
|
|
0
|
120
|
June 16, 2022
|
