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Recent content by sjbaek

  1. S

    [SOLVED] photodiode amplification circuit

    I don't know what OP is. AGC is needed because we need to check if there is a laser rather than checking the distance of the laser. The 5.5V power will be replaced by batteries.
  2. S

    [SOLVED] photodiode amplification circuit

    Is there any other equipment that needs to be added or is there something wrong with the wiring? It's difficult because it's my first time.
  3. S

    [SOLVED] photodiode amplification circuit

    Are there any DIPs or anything larger in size? I received the delivery, but it is too small to work. There is no separate precision equipment.
  4. S

    [SOLVED] photodiode amplification circuit

  5. S

    [SOLVED] IC chip 4572 202

    I'm wondering what role 4572202 and 4572606 play. (I can't find it even though I search it)
  6. S

    [SOLVED] photodiode amplification circuit

    1. When only photos, light-emitting diodes, and resistors are used and only 9V power is applied, the distance is close to the strong infrared signal (remote control signal), but it does not work even if it falls off. 2. In order to solve the problem of No. 1, I want to output a constant current...
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