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Unipolar to Bipolar

Discussion in 'Electronic Design' started by [email protected], Jun 16, 2007.

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  1. Guest

    Hi guys

    I need to convert a sine wave signal 0 - 3V into -9 to +9 sine wave.
    I think I need to use Opamp but I am not able to figure out circuit.

    How can I do it?
     
  2. D from BC

    D from BC Guest

    Summing amplifier Av=9 (Was 3Vpp changing to 18Vpp)
    Signal + offset DC
    D from BC
     
  3. Jim Thompson

    Jim Thompson Guest

    One of many ways...



    |\
    INPUT o------------|+\
    | \
    | \
    | |------+--o OUTPUT
    | / |
    | / |
    +12V o--6.66K--+---|-/ |
    | |/ |
    | |
    +------5K-------+
    |
    |
    1.1765K
    |
    |
    GND

    ...Jim Thompson
     
  4. D from BC

    D from BC Guest

    Ooops..not Av=9...Its Av=6
    ...and the Mars probe bumps into a rock never able to go into reverse..
    D from BC
     
  5. Fred Bloggs

    Fred Bloggs Guest

    Don't believe it- the aged fart actually posted an ASCII schematic!!!!
     
  6. Jim Thompson

    Jim Thompson Guest

    Now, now! This "aged fart" just returned from a seminar on CSI ;-)

    ...Jim Thompson
     
  7. Phil Allison

    Phil Allison Guest

    <>


    ** Groper Alert !

    ** Use a capacitor to remove the DC offset from the original sine wave -
    gives a sine wave that has +/- 1.5 volt peaks.

    Follow that with a amplifier stage with gain of 6.




    ....... Phil
     
  8. Oh Buggerit!! You got there before me.....
     
  9. Winfield

    Winfield Guest

    Congrats, Jim, it's nice to post drawings that become a
    permanent part of the record.
    Channel State Information, I assume. I've better things
    to do with my time.
     
  10. Jim Thompson

    Jim Thompson Guest

    Criminal Forensics "Road Scholar" 5-day seminar given by the MIT
    Alumni Association at University of California, Riverside... UCal's
    center for forensics education.

    Very interesting stuff.

    What "... better things to do with (your) time" ??

    ...Jim Thompson
     

  11. Crime Scene Instigator? ;-)


    --
    Service to my country? Been there, Done that, and I've got my DD214 to
    prove it.
    Member of DAV #85.

    Michael A. Terrell
    Central Florida
     
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