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Calculating frequencies

Discussion in 'General Electronics Discussion' started by Anthony Souza, Nov 10, 2017.

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  1. Anthony Souza

    Anthony Souza

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    Nov 10, 2017
    I have the appropriate formulas but I am not sure my answers are correct since I am not sure how to multiply microfarads and microhenries. Any advice will be greatly appreciated.
     
  2. BobK

    BobK

    7,680
    1,685
    Jan 5, 2010
    If you simply ignore the exponents, the result will be in Megahertz.

    Bob
     
    Cannonball likes this.
  3. Harald Kapp

    Harald Kapp Moderator Moderator

    9,909
    2,100
    Nov 17, 2011
    µF * µH = 10e-6 * (A*s)/V * 10e-6 * (V*S)/A = 10 e-12 * s²

    The resonance frequency of an LC circuit is given by f0 = 1/(2*pi*sqrt(L*C)) . Insert the above result and get a result in th eMHz range, as per Bob's answer.
     
  4. MasterT

    MasterT

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    Feb 2, 2017
  5. AnalogKid

    AnalogKid

    2,352
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    Jun 10, 2015
    Not to be picky or anything, but -

    "Calculating frequencies" of what? I calculate the frequency of my lawn mower engine by observing the dominant component of the acoustic noise and dividing that by 2.

    ak
     
  6. Anthony Souza

    Anthony Souza

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    Nov 10, 2017
    Thanks everyone, you were all a great help especially the site for the resonance calculator. I'm extremely grateful for the quick responses.
     
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