This post was last edited by btty038 on 2021-12-23 21:03
In the use of operational amplifiers, voltage follower is a common application. The benefits of this circuit are: first, it reduces the impact of the load on the signal source; second, it improves the signal's ability to carry load.
The above figure shows the use of an operational amplifier to realize the function of resistor voltage division. First, the resistor is used to obtain the voltage to be output, and then the operational amplifier is used to follow the voltage to improve its output capacity.
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