Open loop gain of an operational amplifier

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SUMMARY

The open loop voltage gain of an operational amplifier (op-amp) with an AC input voltage can be experimentally determined by ensuring that the inputs are at the same voltage when no input signal is present. The supply voltage for the op-amp in this discussion is +9V. It is crucial to utilize feedback to maintain this condition at DC levels while avoiding AC feedback interference. This method allows for accurate measurement of the op-amp's gain under specified conditions.

PREREQUISITES
  • Understanding of operational amplifier fundamentals
  • Knowledge of AC and DC signal behavior
  • Familiarity with feedback mechanisms in circuits
  • Basic skills in circuit assembly and measurement techniques
NEXT STEPS
  • Research methods for measuring open loop gain in op-amps
  • Learn about feedback configurations in operational amplifier circuits
  • Explore the effects of supply voltage on op-amp performance
  • Study AC versus DC input signal characteristics in op-amps
USEFUL FOR

Electronics students, circuit designers, and engineers interested in operational amplifier characteristics and experimental measurement techniques.

fickle
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Homework Statement



How can the open loop voltage gain of an operational amplifier with AC input voltage be determined experimentally?

Supply voltage for op amp is +9V.

Homework Equations





The Attempt at a Solution



I'm really stuck here. I would appreciate some outline of basically what I have to do so I could even make a first attempt at this.
 
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fickle said:

Homework Statement



How can the open loop voltage gain of an operational amplifier with AC input voltage be determined experimentally?

Supply voltage for op amp is +9V.

An opamp has a very large gain with a DC input, so you must make sure the inputs
are at the same voltage if there's no input signal.

Use feedback to do this at DC without producing AC feedback.
 

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