How Can I Resolve My Electronics Doubt?

  • Thread starter Thread starter Sanosuke Sagara
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SUMMARY

The discussion centers on resolving a question related to operational amplifiers (op-amps) and feedback mechanisms in electronic circuits. Key concepts include feedback, voltage dividers, and saturation effects in op-amps. The user is encouraged to analyze whether feedback exists in the circuit and to compare the voltages at the positive and negative inputs. Understanding these principles is essential for determining the output behavior of the op-amp.

PREREQUISITES
  • Operational amplifier (op-amp) fundamentals
  • Feedback mechanisms in electronic circuits
  • Voltage divider rule
  • Saturation effects in op-amps
NEXT STEPS
  • Study the concept of feedback in op-amps and its impact on circuit behavior
  • Learn about voltage dividers and their applications in circuit analysis
  • Investigate saturation in op-amps and its implications for output signals
  • Explore comparator circuits and their differences from standard op-amp configurations
USEFUL FOR

Electronics students, circuit designers, and hobbyists seeking to deepen their understanding of op-amp behavior and feedback systems.

Sanosuke Sagara
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I have my solution and mt doubt in the attachment that followed and I hope that somebody will help me figure out.Thanks for anybody that spend some time on this question.
 

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This is sort of a trick question, because it's really very easy.

Ask yourself : is there any feedback in this circuit ? Feedback is when the output is fed back in part to the input. Does it happen here ?

What happens when there is no feedback in an opamp ? Hint : Comparator. Look this term up.

Find the voltage at the negative input. Hint : Voltage divider. Is it different from that at the positive input ?

What happens to the output ? Hint : Saturation.
 
Thanks for your hint and help ,and I will try to figure out this question by myself.
 

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