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Magnetic H field for a rectangular loop antenna

  1. Nov 28, 2011 #1
    Hi,

    1. The problem statement, all variables and given/known data

    How can I calculate the magnetic H field for a rectangular loop antenna (L x W) at a distance of x, which is made from copper tape with 30 um thickness and width of the tape from 1 to 5 cm. For the same antenna made ​​of wire I applied next formula:
    H=(I*L*W)/(4π√((L/2)^2+(W/2)^2 +x^2 ))*(1/((L/2)^2+x^2 )+1/((W/2)^2+x^2 )) (RFID Handbook Second Edition 4.1.1.1 Path of field strength H(x) in conductor loops pp 65)

    2. Relevant equations

    I need an formula for magnetic H field for a rectangular loop antenna (L x W made from copper tape)

    or

    formula for calculating the magnetic H field for a rectangular conductor?

    3. The attempt at a solution

    I tried this solution but I do not know if it is the best approach

    http://www.ntmdt.com/spm-basics/view/magnetic-field-rectangular-wire

    PS: I sorry for my bad English
     
    Last edited: Nov 29, 2011
  2. jcsd
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