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Unity Gain Amplifier Purpose

In layman terms, what is the main use and purpose of unity gain amplifiers? I am reading that it is used to "buffer high impedance sources" but I'm unsure what this means practically.
RL1's user avatar
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0 votes
4 answers
1k views

How does negative feedback stabilize the output of an op-amp?

I am trying to understand how negative feedback stabilizes the output of op-amps. It is known that Vout = AOL*((V+)-(V-)), where AOL is the open loop gain of the op-...
mahmoud esmail's user avatar
0 votes
1 answer
232 views

What is the expression for the load current of the following Operational Amplifier circuit?

I have been battling to find the theoretical calculations to find the expression for the load current of the following Operational Amplifier circuit exercise I have in my "Electrical Engineering, ...
Stephan Terblanche's user avatar