NEETS 17 Flashcards
What is the primary Navy use for cw?
Radiotelegraphy
A cw transmitter must contain what component?
A keyer
What transmitter types are used for basic communications?
Cw
AM
fm
And ssb
In a cw transmitter, a buffer stage performs what function?
Voltage amplifier
In an AM transmitter, audio frequencies are converted into corresponding electrical energy by what component
A microphone
In an FM transmitter, a Varicap performs what function
It varies the oscillator frequency
A transmitted electromagnetic wave enters an antenna, induces a voltage into it and passes that voltage to a receiver. What is this chain of events called
Reception
When a receiver picks one frequency out from all other frequencies , it’s performing what basic function?
Selection
When a receiver separates the audio frequencies from the radio-frequency carrier it is performing what basic function
Detection
The receiver action of converting electrical energy to a usable format, such as sound is an example of what basic function?
Reproduction
Which of the following measurements provides an indication of the ability of a receiver to reproduce weak signals?
Sensitivity
