8-C-19: Receiving Systems
8-19C1:
Which of the following statements is true?
The front end of the receiver does not provide any amplification to the RADAR signal.
The mixer provides a gain of at least 6 db.
The I.F. amplifier is always a high gain, narrow bandwidth amplifier.
None of the above.
8-19C2:
Logarithmic receivers:
Can’t be saturated.
Can’t be damaged.
Should not be used in RADAR systems.
Have low sensitivity.
8-19C3:
RADAR receivers are similar to:
Microwave receivers.
FM receivers.
HF receivers.
T.V. receivers.
8-19C4:
What section of the receiving system sends signals to the display system?
Video amplifier.
Audio amplifier.
I.F. Amplifier.
Resolver.
8-19C5:
What is the main difference between an analog and a digital receiver?
The presence of decision circuitry to distinguish between “on” and “off” signal levels.
Special amplification circuitry.
An AGC stage is not required in a digital receiver.
Digital receivers produce no distortion.
8-19C6:
In a RADAR receiver, the RF power amplifier:
Does not exist.
Is high gain.
Is low gain.
Requires wide bandwidth.
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Color key:
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● = Unseen
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● = Weak
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● = Review
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● = Learned
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● = Incorrect answer
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