|
Which of the following requirements is/are essential for proper tr spark gap operation?
|
|
0
|
111
|
March 19, 2022
|
|
The action of tr-atr circuits depends upon the impedance characteristics of ___
|
|
0
|
140
|
March 19, 2022
|
|
A defective duplexer in a radar will most likely cause damage to ___
|
|
0
|
133
|
March 19, 2022
|
|
What is the primary function of the radar duplexing system?
|
|
0
|
160
|
March 19, 2022
|
|
A power-amplifier transmitter that transmits a broad band of ___
|
|
0
|
116
|
March 19, 2022
|
|
Unwanted oscillations in an rf amplifier transmitter are ___
|
|
0
|
132
|
March 19, 2022
|
|
Using a frequency synthesizer instead of a heterodyning mixer as ___
|
|
0
|
224
|
March 19, 2022
|
|
Which of the following components determines the ___
|
|
0
|
146
|
March 19, 2022
|
|
Which of the following tubes should be used as ___
|
|
0
|
138
|
March 19, 2022
|
|
Compared to the keyed-oscillator transmitter, power-amplifier transmitters are ___
|
|
0
|
158
|
March 19, 2022
|
|
Which of the following maximum tuning ranges is typical for a tunable magnetron?
|
|
0
|
157
|
March 19, 2022
|
|
Which of the following magnetron characteristics can be caused by ___
|
|
0
|
126
|
March 19, 2022
|
|
Which of the following types of instability are common to magnetron oscillators?
|
|
0
|
133
|
March 19, 2022
|
|
What modulator circuit characteristic determines the ___
|
|
0
|
129
|
March 19, 2022
|
|
The requirements of a modulator switch are to ___
|
|
0
|
142
|
March 19, 2022
|
|
A pulse-forming network exhibits electrical behavior similar to ___
|
|
0
|
106
|
March 19, 2022
|
|
What parameter, if any, of the output pulse from an ___
|
|
0
|
145
|
March 19, 2022
|
|
The discharge pulse from the artificial transmission line causes ___
|
|
0
|
122
|
March 19, 2022
|
|
A signal introduced at the input end of an artificial transmission ___
|
|
0
|
98
|
March 19, 2022
|
|
Which of the following devices can be used as ___
|
|
0
|
122
|
March 19, 2022
|
|
The modulator of a radar basically consists of ___
|
|
0
|
142
|
March 19, 2022
|
|
Compared to the hard-tube modulator, the line-pulsing modulator has ___
|
|
0
|
163
|
March 19, 2022
|
|
In order that nearby targets may be ___
|
|
0
|
107
|
March 19, 2022
|
|
For proper operation of the magnetron, the modulator pulse must ___
|
|
0
|
124
|
March 19, 2022
|
|
The transmitter range timing circuit must be triggered at ___
|
|
0
|
225
|
March 19, 2022
|
|
The peak power of a transmitted rf pulse depends on which of the following factors?
|
|
0
|
125
|
March 19, 2022
|
|
A radar transmitter is triggered directly by high voltage pulses from what unit?
|
|
0
|
188
|
March 19, 2022
|
|
Which of the following oscillators generates sharp trigger ___
|
|
0
|
165
|
March 19, 2022
|
|
The positive and negative output pulses of the astable multivibrator are ___
|
|
0
|
115
|
March 19, 2022
|
|
When the master oscillator in a multivibrator timer is ___
|
|
0
|
110
|
March 19, 2022
|