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5162379
The general feedback structure
Description
the general feedback structure
No tags specified
gain of feedback amplifier
feedback amplifier
amplifier
integrated electronics
negative feedback
universität
Quiz by
shen0109
, updated more than 1 year ago
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Created by
shen0109
over 8 years ago
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Resource summary
Question 1
Question
complete the general structure of the feedback amplifier
Image:
fb2c3e26-0e8e-4689-a569-810271b3c4c3 (image/png)
Answer
Input Source Xs
Mixer
Feedback signal Xf =
Basic Amplifier A
Feedback Network
Xi = Xs - Xf
Output Signal Xo = A Xi
Xo
External Load
Question 2
Question
In the signal-flow diagram, the A is?
Image:
2515e3d3-a5d9-4e12-b6bc-0baa97d2e6c8 (image/png)
Answer
Basic Amplifier Open-loop Gain (without feedback)
Loop Gain
Closed-loop Gain
Amount of feedback
Question 3
Question
In the signal-flow diagram, the (1+A
Image:
b1a9e5a1-4383-4fcd-bca6-30202591fa98 (image/png)
Answer
Feedback Factor
Loop Gain
Amount of feedback
Closed-loop Gain
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