ferrite bead as low pass filter search

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Discussion in 'General Electronics Chat' started by levnu, Apr 7, 2011.

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  1. Apr 7, 2011 #1
    levnu

    Thread Starter New Member

    Mar 30, 2011
    14
    0
    Hi

    i'm looking for a ferrite bead that will block 1-20 Mhz
    frequancies and pass all lower ones

    is it possible ?

    can someone to advice me for one specific?

    Best regards,
    Arye
     
    #1 Reply
  2. Apr 7, 2011 #2
    levnu

    Thread Starter New Member

    Mar 30, 2011
    14
    0
    block around 10 Mhz is good enough
     
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  3. Apr 7, 2011 #3
    SgtWookie

    Expert

    Jul 17, 2007
    22,194
    1,764
    You're probably going to need more than just a ferrite bead.

    Check out Amidon's specifications page on their website:
    https://www.amidoncorp.com/pages/specifications
    Under Ferrite Material, look at:
    2-14 Ferrite Beads https://www.amidoncorp.com/specs/2-14.pdf
    2-15 Beads: Material vs Freq. vs Impedance https://www.amidoncorp.com/specs/2-15.pdf
    2-16 Ferrites for RFI https://www.amidoncorp.com/specs/2-16.pdf
    2-17 Ferrite Cores for RFI Suppresion https://www.amidoncorp.com/specs/2-17.pdf

    If you want to take a shot at designing your own filter, have a look at Elsie:
    http://www.tonnesoftware.com/elsie.html
    The student edition is freeware, limited to 7 poles or stages.
     
    #3 Reply
  4. Apr 7, 2011 #4
    levnu

    Thread Starter New Member

    Mar 30, 2011
    14
    0
    thanks a lot
    Arye i'm looking at all your links
     
    #4 Reply
  5. Apr 7, 2011 #5
    PackratKing

    Well-Known Member

    Jul 13, 2008
    849
    218
    Welcome to AAC !!

    :) Hope you find what you need. We have a bunch of gals and guys here that are the best there is.
     
    #5 Reply
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