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Recent content by ing_2012

  1. I

    impedance matching of an aperture coupled antenna

    Tanks for your response. Have you please an idea about how to find Z0 (real and imaginary part) of the aperture coupled antenna using HFSS.
  2. I

    impedance matching of an aperture coupled antenna

    S11 is low , about how much please ? (S11<-15 db for example)?
  3. I

    impedance matching of an aperture coupled antenna

    Hello everybodo I designed an aperture coupled microstrip patch antenna ! I made 50 ohm microstrip line feeder, after optimizating the patch diemension and the aperture size, my structure resonate at the desirable frequency. My question is how to make sure that my antenna have 50 ohm...
  4. I

    disagreement between results with wave and lumped port in HFSS,

    Hello everybody, I'm trying to simulate an aperture coupled patch antenna(rectangular)at the millimeter band with HFSS, i made my 50 ohm feed_line into 30um substrate, and my ground with the aperture above it. First of all, i triyed to simulate with a wave port (sized as hport=6 times substrate...
  5. I

    interpretation of radiation pattern plot

    HI Please can anyone help me to interprete the radiation pattern plot! Here an exemple picture of radiation pattern of patch antenna at E and H plane. What informations we can extract . Thanks for help
  6. I

    50ohm microstripline on silicon

    Hi Thank you PlanarMetamaterials for your help Thanks volker@muehlhaus for your answer, but patch antenna on chip has very bad gain and bandwidth impedance... Have a look at this paper, there are a comparison betwaaen antenna on full GaAs and with the micromachined one (both silicon and GaAs...
  7. I

    50ohm microstripline on silicon

    Hello, I'm designing a microstrip patch antenna on silicon with permettivity 11.9 and 0.2mm height to operate at 60 GHz. I need the 50 ohm microstrip line. Using Linecalc of ADS , i find W=0.17mm. How much length of 50 ohm microstrip should i make and how much its length affects the different...
  8. I

    how to make wave port size in my case

    HI , sorry, yes i m using HFSS similatotor .I tried EM: talke( HFSS Wave port Size calculator) , but , it gives me : waveport width=0 ; waveport height=1. What to do? :/
  9. I

    how to make wave port size in my case

    Hello everybody, I'm going to design a rectangular patch antenna at millimeter band on a substrate oh h=0.2mm (thickness) , the 50 ohm transmission feed line have w=0.17mm (width). Please how much size should i make for wave port(height and width). Thanks for your help
  10. I

    Problem with Rectangular patch antenna on silicon

    Thanks a lot, it works :) . Please have you any idea about the size of ground plane that i shoud make. I was working with ADS Momentum where there are no probleme of ground plane size .
  11. I

    Problem with Rectangular patch antenna on silicon

    I'm a begginer in using HFSS. I'm trying to design a rectangular patch antenna on silicon substrat. I don't know how much size must be the ground plane(my patch size is about 1mm^2)(for each ground plane size simulation, i obtained differenst results for S11). In simulation , an error message...
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