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EAGLE User Chat (English) Could someone check my design?
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  • Replies 24 replies
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Related

Could someone check my design?

jacob-t
jacob-t over 9 years ago

Hi Guys

I'm totally new to this. I'm trying to build a 4 channel opamp (boost my signal about 100x)

I'm hoping someone has the time to quickly check my design and see if it makes sense and perhaps let me know how to improve it.

 

Thanks

Jacob

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opamp.zip
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  • jacob-t
    jacob-t over 9 years ago in reply to kikoun +1
    The opamp is meant to amplify a 7-50mV signal around 100 times so I can reliably read it with a National Instruments DAQ. I'm sorry I'm such a newbee, any and all help is really appreciated! I'll try and…
  • kikoun
    kikoun over 9 years ago in reply to jacob-t +1
    Hmmm not sure i got the capcitors right. ;-) Partially... For the 5µF capacitor: it's connected correctly in schematic, but I'm not sure you will found a value of 5µF, but a value of 4,7µF, 10µF, 22µF…
  • kikoun
    kikoun over 9 years ago in reply to jacob-t +1
    Hi, That last design is better, the ground plane is OK.. You remove the big capacitor (your 5µF) I suggested to check the value and the package, but not t remove it ? If it was one of my design I would…
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  • gadget.iom
    gadget.iom over 9 years ago

    Just have a look at your component placement. For example, switching the positions of R1 and R2 may improve your track routing.

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  • gadget.iom
    gadget.iom over 9 years ago

    Just have a look at your component placement. For example, switching the positions of R1 and R2 may improve your track routing.

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