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If we have poles,
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Content Questions
Subsections
If we have poles, shouldn't they manifest themselves on Bode plots as large valued
?
Why do we know that
and
are corner frequencies (for the RLC filter examples)? Why do we switch to
and
instead of
and such?
What is the physical (conceptual) importance of corner frequencies?
How are buffer and op-amp circuits used in real life?
Why does the amplifier act like a low-pass filter?
Do amplifiers have any inherent impedance
?
How exactly does the feedback stabilize the amplifier?
How does the idea of ``feedback'' get reflected in
? Is there analogy of the function of
to the thermal control example?
Is there a ceiling on gain with feedback, even with freedom to choose
?
Are amplifiers with smaller gain more stable than amplifiers with larger gain? If they are, do you still need negative feedback?
Can you explain the voltage divider in the feedback network?
Are there any real world applications of amplifiers with negative feedback?
Kate Scholberg 2017-02-16