|
The detector in a radar receiver converts the IF pulses into what form?
|
|
0
|
139
|
March 19, 2022
|
|
The lin-log amplifier provides (a) a linear output voltage for ___
|
|
0
|
137
|
March 19, 2022
|
|
The purpose of the mti system timing circuits is ___
|
|
0
|
137
|
March 19, 2022
|
|
The amplitude of coherent video is determined by the ___
|
|
0
|
151
|
March 19, 2022
|
|
In the mti system, what is the purpose of the coho lock pulse?
|
|
0
|
173
|
March 19, 2022
|
|
Delaying the received signals in the mti system permits them to ____
|
|
0
|
145
|
March 19, 2022
|
|
The primary function of the mti system is to display ___
|
|
0
|
124
|
March 19, 2022
|
|
In the input of the first video amplifier of ___
|
|
0
|
112
|
March 19, 2022
|
|
In a radar receiver, which of the following purposes is
|
|
0
|
122
|
March 19, 2022
|
|
A radar receiver uses iagc for which of the following purposes?
|
|
0
|
152
|
March 19, 2022
|
|
Agc automatically adjusts the gain of the receiver by ___
|
|
0
|
164
|
March 19, 2022
|
|
The IF amplifier stage of a radar receiver determines ___
|
|
0
|
130
|
March 19, 2022
|
|
The balanced transformer connected to the crystals of ___
|
|
0
|
121
|
March 19, 2022
|
|
The resonant circuit at the output of an unbalanced crystal mixer serves ___
|
|
0
|
123
|
March 19, 2022
|
|
Which of the following advantages is gained by using ___
|
|
0
|
188
|
March 19, 2022
|
|
Which of the following devices would be used as a local oscillator in a radar receiver?
|
|
0
|
204
|
March 19, 2022
|
|
An efficient local oscillator must have which of the following characteristics?
|
|
0
|
138
|
March 19, 2022
|
|
What component in a receiver afc circuit produces an ___
|
|
0
|
130
|
March 19, 2022
|
|
What section of a radar receiver usually determines the overall bandwidth?
|
|
0
|
141
|
March 19, 2022
|
|
The intermediate frequency is produced in what stage of a microwave receiver?
|
|
0
|
123
|
March 19, 2022
|
|
An overdriven amplifier stage in a receiver may cause ___
|
|
0
|
137
|
March 19, 2022
|
|
An effective radar receiver should have a gain factor that is ___
|
|
0
|
109
|
March 19, 2022
|
|
The maximum range at which a radar receiver can detect an object is ___
|
|
0
|
187
|
March 19, 2022
|
|
Which of the following are requirements of a microwave receiver?
|
|
0
|
170
|
March 19, 2022
|
|
In a hybrid-ring duplexer, the fields at the entrance of ___
|
|
0
|
131
|
March 19, 2022
|
|
The direct-coupled waveguide duplexer is connected to ___
|
|
0
|
123
|
March 19, 2022
|
|
Indirectly coupled waveguide duplexers are normally connected to ___
|
|
0
|
126
|
March 19, 2022
|
|
Atr tubes generally have a longer duty life than ___
|
|
0
|
126
|
March 19, 2022
|
|
Keep-alive voltage is applied to the tr tube for ___
|
|
0
|
198
|
March 19, 2022
|
|
What is the purpose of introducing water vapor into a tr tube?
|
|
0
|
116
|
March 19, 2022
|