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Recent content by sahar20

  1. S

    How to generate conformal(elliptical shaped spiral geometry) in IE3D?

    how to generate conformal(elliptical shaped spiral geometry) in IE3D?
  2. S

    circular hole inside any structure

    How to make a circular hole inside any structure in zeland software?
  3. S

    make double-U rectangular microstrip antenna

    I want to make double-U rectangular microstrip antenna. How can I do shapes inside patch more effectively than drawing rectangulars and cut them? I heard something about Boolean operations (ExOr), but I can´t find it in IE3D.
  4. S

    optimize multiband antenna (filter)

    I want optimize multiband antenna (filter) to many various frequencies. How can I do that, or what optimization goals I must set up. i want this work in ie3d software.
  5. S

    antenna with substrate of large thickness

    I simulate an antenna with substrate of large thickness(more than 10mm at 10GHz), and use the infinite ground plane, and advanced extension port, so how can I set up the the port to avoid the warning " the substrate thickness factor for port is too big",and "the ground separation/length radio...
  6. S

    cut a slot of arbitrary shape in IE3D

    I want to cut a slot of arbitrary shape on a structure of printed monopole.How Can I do this.e.g. I want to cut a circlular hole in an ellipse on the same pane.Can we create two shapes in same plane and perform cut operation.Please let me know step by step.
  7. S

    How to construct coaxial structure of dielectric constant in IE3D?

    How to construct coaxial structure of dielectric constant(Epsr 2.2) in IE3D (Note: In coaxial Structure, explained in manual there is no specific dielectric constant defined. how to define it?
  8. S

    archimedean spiral mode MSA

    i am designing two arm archimedean spiral mode MSA using ie3d software.the ie3d version is 11.05. i simulated the compete model. but the anenna & radiation efficiency is too low. also vswr value is 2 for 1.5 to 1.9 ghz range only . suggest the changes in my model to improve efficinct to 80 to 90...
  9. S

    effective permittivity

    how to find effective permittivity (Eeff.) as a function of frequency in IE3D?
  10. S

    What does the short uniform TLN means in MGRID?

    what does the short uniform TLN means in MGRID?
  11. S

    How can I measure the input impedance of broadband antenna using IE3D?

    How can I measure the input impedance of broadband antenna using IE3D?
  12. S

    slot coupled microstrip line coupler

    how can i design slot coupled microstrip line coupler in zeland software?
  13. S

    aluminium as a groun plane and silicon as a substrate

    how could i use aluminium as a groun plane and silicon as a substrate for similation on mgrid?
  14. S

    ring-shaped patch antenna

    I am designing a ring-shaped patch antenna. I am using MGRID as the layout editor. How can i optimize the inner and outer radii of the ring?
  15. S

    microstrip design, with a number of stubs, spurlines

    I have a microstrip design, with a number of stubs, spurlines and vias, which occasionally produces a gain of over 100dB at a single frequency. Since there are no devices in the circuit, this is obviously a singularity of some sort in the software. The circuit is all on a single layer, vias only...
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