Filter Circuit to DAC project

Discussion in 'General Electronics Chat' started by Alexini1982, Jul 7, 2016.

  1. Alexini1982

    Thread Starter New Member

    Jul 7, 2016
    1
    0
    Hello everyone please help to understand the circuit attached i calculated the frequency cut is 1khz but try to understand the circuit and the graph response please help me thank and regards
     
  2. crutschow

    Expert

    Mar 14, 2008
    12,989
    3,226
    It's a rather complex series of active and passive filters.
    I'm not sure what their purpose or why they have such a peaked output.
    Whatever the purpose of the circuit, it seems like overkill. :rolleyes:
     
  3. Veracohr

    Well-Known Member

    Jan 3, 2011
    550
    75
    It's the 150uF caps on the outputs of the opamps causing the peaking.
     
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