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Simple amplifier

  1. Apr 21, 2005 #1
    Does anyone know how to build a simple amplifier to use with a photodiode that doesnt involve using an op-amp?

  2. jcsd
  3. Apr 21, 2005 #2
    How much gain do you want?
  4. Apr 22, 2005 #3


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    Science Advisor
    Gold Member

    A transistor is about a simple as it gets.
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