photodiode using opamp output problem

Discussion in 'General Electronics Chat' started by hiren.dave, Jun 22, 2012.

  1. hiren.dave

    Thread Starter New Member

    Jun 22, 2012
    20
    0
    HI,

    i am using photodiode with opamp as a photoconducting method. I am getting output well but output contains pulses. I can't understand that why photodiode and amplifier is generating pulses. help me to solve this problem. i am attaching circuit and dso output herewith.
     
  2. ErnieM

    AAC Fanatic!

    Apr 24, 2011
    7,386
    1,605
    Are there any fluorescent lamps in the room?
     
Loading...