Electrical Engineering - Operational Amplifiers

AI Thread Summary
In operational amplifier circuits, the output can indeed source or sink current, which is a fundamental characteristic of op-amps. However, significant current should not flow into or out of the input terminals, as this could indicate a violation of Kirchhoff's Current Law. If the calculated output current is directed into the op-amp, it may suggest an error in the circuit analysis. Ensuring proper connections and understanding the behavior of op-amps is crucial for accurate calculations. Clarifying the current flow at the input terminals is essential for resolving any discrepancies in circuit values.
GreenPrint
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Hi in a homework problem I'm trying to solve circuit. I'm getting the output current of an operational amplifier going into the operational amplifier. Is this allowed? If not than I'm violating Kirchhoff Current law and my other calculated values of the circuit must be wrong.

Thanks for any help.
 
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GreenPrint said:
Hi in a homework problem I'm trying to solve circuit. I'm getting the output current of an operational amplifier going into the operational amplifier. Is this allowed? If not than I'm violating Kirchhoff Current law and my other calculated values of the circuit must be wrong.

Thanks for any help.

An operational amplifier can source or sink current.
 
gneill said:
An operational amplifier can source or sink current.

The output of the op amp can source or sink current, as gneill says, but there should not be any significant current flowing into or out of the input terminals. Is this your question?
 

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