Stages Two and Three: Voltage Derived

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SUMMARY

The discussion focuses on designing a Stage Three Two Stage Amplifier with Voltage Derived - Parallel Applied Feedback and a Stage Two Two Stage Amplifier with Voltage Derived - Series Applied Feedback. The initial layout presented by the user lacks clarity, particularly in implementing two-stage feedback configurations. Feedback mechanisms, including voltage series feedback and voltage parallel feedback, are discussed, with suggestions for improvement in the layout provided by another participant. The conversation emphasizes the importance of understanding feedback types in amplifier design.

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IronaSona
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So i want to make a Stage Three: Two Stage Amplifier with Voltage Derived - Parallel Applied Feedback and a Stage Two: Two Stage Amplifier with Voltage Derived - Series Applied Feedback

But am not sure how to layout it out correctly because i have never done this before so i layout'ed it out how i would think it would look like :
 

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  • Two Stage Amplifier with Voltage Derived -parralel applied feedback.PNG
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  • Two Stage Amplifier with Voltage Derived -Series applied feedback.PNG
    Two Stage Amplifier with Voltage Derived -Series applied feedback.PNG
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I'm not all that clear on what you are asking and I'm no expert, but since you have no replies, I'll have a stab.
In your first diagram, I can see voltage series feedback around the first transistor, but no two stage FB.

Similarly in your second I can see single stage voltage series FB by R3.
I've added typical single stage voltage parallel FB in green.

If you'd like to explain your issues a bit more, I'll try to help if I can

FB2.png
 

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