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You are here: Home / Topics / hey can u plz help me wit this ckt. I want to knw the complete workin of this ckt. plz can you’l help. Thanks

hey can u plz help me wit this ckt. I want to knw the complete workin of this ckt. plz can you’l help. Thanks

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Electronics › Electronics › hey can u plz help me wit this ckt. I want to knw the complete workin of this ckt. plz can you’l help. Thanks

  • This topic has 5 replies, 2 voices, and was last updated 12 years, 6 months ago by AJISH ALFRED.
Viewing 6 posts - 1 through 6 (of 6 total)
  • Author
    Posts
  • December 25, 2012 at 2:18 am #4921
    techspark
    Participant

    December 25, 2012 at 2:26 am #8875
    techspark
    Participant

    taken from texas site

    INA332 pdf

     

     

    December 25, 2012 at 6:18 pm #8877
    AJISH ALFRED
    Participant

    Hi,

    I can explain this circuit, but I don’t know what that “Right Arm”, “Left Arm”, “Right Leg” etc. means. Could you please share more details about it, atleast what is the purpose of this circuit. If we don’t know what it basically does then how can someone explain the working?

    The more details you include on your query the more better we can help you.

    December 26, 2012 at 3:06 pm #8878
    techspark
    Participant

    dis is basically a ecg amplifier ckt.

    ecg electrode connection to right wrist , left wrist and one to d leg for grnd.

    connection b/w 2 arms 4 potential

     

    btw thnks alot Sir :)

    December 27, 2012 at 1:42 pm #8882
    techspark
    Participant

    i need some help immediately with dis ckt.

    Thanks in advance whoever helps me out.

    January 5, 2013 at 6:19 pm #8903
    AJISH ALFRED
    Participant

    Hi,

    Sorry for the delayed response. Actualy I don’t have a proper answer. The following are the inputs I can give

     

    The INA332 is connected as a differential ampifier(amplify the voltage difference)

    The top OPA336 is connected as an integrator

    The down OPA336 is connected as a buffer(keep the voltage same but amplifies current)

    The right hand side OPA336 is connected as an active filter

     

    I don’t know anything about the ECG signal and hence can’t explain the purpose of above things.

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