What you mean by offset

Discussion in 'General Electronics Chat' started by shubham161, Sep 8, 2012.

  1. shubham161

    Thread Starter Member

    Jul 22, 2012
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    When you hear "offset" (in electronics) what's the first thing that comes to your mind?
     
    Last edited: Sep 8, 2012
  2. Ron H

    AAC Fanatic!

    Apr 14, 2005
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    I think of an op amp's input offset voltage. This is the differential input voltage required to get zero volts at the output. In an ideal op amp, the input offset voltage is zero.
    A little English lesson: In your question, change the word "listen" to "hear". When you listen, you may hear sound.
    http://www.learnersdictionary.com/search/listen%5B1%5D
     
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  3. shubham161

    Thread Starter Member

    Jul 22, 2012
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    anybody think of dc shift?
     
  4. BillB3857

    Senior Member

    Feb 28, 2009
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    Same thing! Sort of like saying Milk or Cow Juice!
     
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  5. shubham161

    Thread Starter Member

    Jul 22, 2012
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    hahaha, sorry i wasn't knowing that. thanks!!!
     
  6. BillB3857

    Senior Member

    Feb 28, 2009
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    In reality, offset can be either good or bad. If you want it, for example to establish a proper operating point such as biasing a transistor for the linear range of input in a simple Class A amplifier, it is good. On the other hand, if you look at the collector of that Class A amplifier, it will have an offset level which is probably not desirable. In most DC type circuits, offset is something that must be recognized and dealt with.

    I would generally look at offset being the DC level upon which an AC signal is imposed.
     
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  7. bertus

    Administrator

    Apr 5, 2008
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