16491649
Description
Quiz by Claudio Salin , updated more than 1 year ago
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Created by Claudio Salin
almost 6 years ago
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Question 1
Question
An amplifier is an electrical device that increases signals.
Answer
- True
- False
Question 2
Question
The FET amplifier is used in weak signal amplifiers
Answer
- True
- False
Question 3
Question
The efficiency is the measure of how much of the power source is usefully applied to the amplifiers input.
Answer
- True
- False
Question 4
Question
What does mean "pickup"?
Answer
-
Trasduttore
-
Raccoglitore
-
Camioncino
Question 5
Question
What is the negative feedback?
Answer
-
Technique to avoid distortion by comparing the gain of the amplifier to the output.
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A technique to avoid distortion by fed back a portion of the output signal and compare it with the input signal.
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A technique to avoid gain-excess by fed back a portion of the output signal and compare it with the input signal.
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