Adding Op-Amp Circuit: Weighting Inputs

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SUMMARY

The discussion focuses on constructing an op-amp circuit to weight inputs with different factors, specifically Vo = V1 + 2V2 + 3V3. Participants emphasize the importance of understanding operational amplifier (op-amp) configurations, particularly the inverting and non-inverting setups. A summing amplifier circuit is identified as a suitable solution for achieving the desired input weighting. The conversation also highlights the need for participants to engage with foundational concepts before seeking direct answers.

PREREQUISITES
  • Understanding of operational amplifier (op-amp) fundamentals
  • Knowledge of inverting and non-inverting op-amp configurations
  • Familiarity with summing amplifier circuit design
  • Basic circuit analysis skills
NEXT STEPS
  • Research the design and application of summing amplifiers in op-amp circuits
  • Study the mathematical principles behind op-amp circuit equations
  • Explore practical examples of weighting inputs in electronic circuits
  • Learn about feedback mechanisms in op-amp configurations
USEFUL FOR

Electrical engineering students, hobbyists designing analog circuits, and professionals seeking to implement weighted input systems using op-amps.

Anabelle37
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Homework Statement



Suppose you wanted to weight the inputs by different factors such that for instance Vo = V1 + 2V2 + 3V3. Describe how you would construct a circuit to do this.
 
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Anabelle37 said:

Homework Statement



Suppose you wanted to weight the inputs by different factors such that for instance Vo = V1 + 2V2 + 3V3. Describe how you would construct a circuit to do this.

Firstly, you ignored the equations section. Please enter the equations you know. Secondly, you didn't put any attempt at a solution. The purpose of PhysicsForums isn't to do your homework for you but rather guide you towards a solution. On top of that, I don't think this question is in the proper forum, since it's an electrical engineering question.

All of that said, do you know how an op-amp works? By that I mean, what does an op-amp do? Do you know what the inverting and non-inverting configurations are? Have you tried looking up what a summing amplifier circuit looks like?
 

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