All Questions
3
questions
6
votes
5
answers
2k
views
Non-inverting op-amp
Why is resistor R1 connected to the inverting terminal of the op-amp in a non-inverting op-amp configuration? What will happen if we replace it with a short circuit?
- 99
0
votes
2
answers
2k
views
Calculate op-amp input voltage with potential divider and series resistor
I have managed to confuse myself when it comes to calculating the voltage drop over a series resistor connected to a potential divider (See below):
The op amp non-inverting input is connected to a ...
- 99
-1
votes
3
answers
11k
views
The purpose of voltage-dividers in op-amp feedback?
simulate this circuit – Schematic created using CircuitLab
So, here we have a typical op-amp with negative feedback. The non-inverting input is at virtual-ground, and if the input is higher or ...
- 717