operational amplifier - What's the purpose of the OpAmp in this circuit

Op Amp Internal Circuit Diagram

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Opamp - Operational Amplifier

Operational amplifier

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Opamp - Operational Amplifier
Opamp - Operational Amplifier

Operational amplifier

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operational amplifier - What does this op amp circuit do? - Electrical
operational amplifier - What does this op amp circuit do? - Electrical

Operational amplifier

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operational amplifier - What's the purpose of the OpAmp in this circuit
operational amplifier - What's the purpose of the OpAmp in this circuit

Op-amp basics part iii (internal circuit)

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Current Source | Hackaday
Current Source | Hackaday

Operational amplifier

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Op-Amp Internal Block Diagram || Op-Amp Input stage, Gain Stage
Op-Amp Internal Block Diagram || Op-Amp Input stage, Gain Stage

op amp - How can i make a easy op amp circuit? - Electrical Engineering
op amp - How can i make a easy op amp circuit? - Electrical Engineering

operational amplifier - Don't understand this op amp's circuit design
operational amplifier - Don't understand this op amp's circuit design

Si Lab - Simple Op Amp | Discrete Semiconductor Circuit Projects
Si Lab - Simple Op Amp | Discrete Semiconductor Circuit Projects

operational amplifier - Help figuring out an op amp circuit with two
operational amplifier - Help figuring out an op amp circuit with two

Why Does an Op Amp Need a Power Supply?
Why Does an Op Amp Need a Power Supply?

Op amp circuit diagram - Amplifier_Circuit - Circuit Diagram - SeekIC.com
Op amp circuit diagram - Amplifier_Circuit - Circuit Diagram - SeekIC.com

operational amplifier - Op-amp with voltages in both inputs
operational amplifier - Op-amp with voltages in both inputs