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Recent content by zohreh68

  1. Z

    Designing an infinitesimal dipole antenna above an infinite PEC in HFSS

    Hi all i'm going to design an infinitesimal electric dipole above an infinite pec for height lambda/2.I'm going to earn figure 4.17 in antenna book,Balanis but the results aren't good at all.(VSWR and radiation pattern) i don't know how length i need for air gap in infinitesimal dipole?and...
  2. Z

    Polar plot in Comsol

    Hi all I have designed a cylindrical cloak in Comsol.I want to plot the polar plot of normalized power.How can I do that?should I export the data into Matlab?how? I have attached my simulation.I'm using Comsol 4.4.please help me. thanks in advance
  3. Z

    [SOLVED] How can I use ATF54143 in ADS2011

    Re: Noise figure of balanced amplifier in ADS2011 I think so.... Thank you sir...your answers were so helpful
  4. Z

    [SOLVED] How can I use ATF54143 in ADS2011

    Noise figure of balanced amplifier in ADS2011 Hello I want to simulate the balanced amplifier in the attachment paper.I simulated the bias circuit of ATF54143 and got good results.when I use it in balanced amplifier,gain and stability factor are good but noise figure and S11 and S22 aren't...
  5. Z

    [SOLVED] How can I use ATF54143 in ADS2011

    Dear BigBoss and Dear RealAEL I got it.Thank you so much for your help.
  6. Z

    [SOLVED] How can I use ATF54143 in ADS2011

    thanks all I sent the entire workspace file in the attachment.
  7. Z

    [SOLVED] How can I use ATF54143 in ADS2011

    Sir I sent my archive file.I have used the bias circuit in the paper and it's different with your circuit thank you
  8. Z

    [SOLVED] How can I use ATF54143 in ADS2011

    Dear BigBoss Even I changed bias circuit but I got same result(S12 and S21 equal to zero) I think the ATF54143 block has problem,but I don't know what should I do? Or is there any thing to replacement of ATF54143?
  9. Z

    [SOLVED] How can I use ATF54143 in ADS2011

    Hi all I want to simulate circuits in this paper:"http://www.sciencedirect.com/science/article/pii/S1434841112001719".(There is bias circuit in attachment file) I downloaded ATF54143 from Avago and draw bias circuit in ADS2011,but I get S12 and S21 equal to zero and other parameters aren't...
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