(F)Element 3-41 Receiver Theory Flashcards
1
Q
What is the limiting condition for sensitivity in a communications receiver?
A
the noise floor of the receiver
2
Q
What is the definition of the term receiver desensitizing?
A
a reduction in receiver sensitivity because of a strong signal on a nearby frequency
3
Q
What is the term used to refer to a reduction in receiver sensitivity caused by unwanted high-level adjacent channel signals?
A
desensitizing
4
Q
what is meant by the term noise figure of a communications receiver?
A
the level of noise generated in the front end and succeeding stages of a receiver
5
Q
Which stage of a receiver primarily establishes its noise figure?
A
The RF stage
6
Q
What is the term for the ratio between the largest tolerable receiver input signal and the minimum discernible signal?
A
dynamic range
