Amplify the strain gauge with AC voltage

Discussion in 'The Projects Forum' started by cokolakare, Mar 17, 2010.

  1. cokolakare

    Thread Starter New Member

    Mar 17, 2010
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    0
    Hi everyone,

    I need some help from all of you for my project. I've been doing a project that using strain gauge. and I want to make a op Amp circuit that I'll be used for amplified my strain gauge sensor and I use AC voltage to drive my wheatstone bridge.
    I will use the single supply 5 volt with frequency 2000KHz.

    If all of you have any suggestion it would be very nice for me.

    Thank you before.
     
  2. SgtWookie

    Expert

    Jul 17, 2007
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    Last edited: Mar 17, 2010
  3. cokolakare

    Thread Starter New Member

    Mar 17, 2010
    5
    0
    Sorry, I mean 2 KHz
     
  4. SgtWookie

    Expert

    Jul 17, 2007
    22,182
    1,728
    Read that application note. You may wish to keep your excitation frequency a bit lower than 2kHz. The higher in frequency you go, the more trouble you will have with parasitic L and C.
     
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