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Recent content by sunyvel

  1. S

    Confused - Microstrip Antenna / IE3D

    Re: Confused - Microstrip Antenna it depends on your application. If you are looking for parametric analysis, where u r studying the effect of dielectric, u can change the dielectric constant without changing the geometry. But if u are going to actually change the substrate and still want the...
  2. S

    gain of a rectangular microstrip Dipole antenna

    Thanks for the reply. The radiating air box extends lambda/2 on each side of the antenna. I believe that it is a large enough airbox to get accurate results.
  3. S

    gain of a rectangular microstrip Dipole antenna

    Hello, I am designing a halfwave microstrip dipole(not a patch antenna), which consists of two rectangular monopole strips of quarter wavelength each. I am simulating it in HFSS and I cannot achieve the 2.14dB which is the theoretical gain of a single dipole. My gain is around -2.5dB. Can...
  4. S

    Timestep errors when designing PLL in ADS

    Re: pll design in ads if you r using the transient analysis in ads......change the time step to a lower value. it will work. i had the same problem.
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    Ansoft Hfss - Simulation results ?

    then why not use the ansoft designer...it would be faster in simulating your condition
  6. S

    book "Electromagnetic W@ves" by In@n

    hi all i too am looking forward to it. someone pls post it
  7. S

    ADS momentum simiulation problem

    if nothing works then it is best to reinstall ads
  8. S

    looking for a demo version @ds

    Re: demo version @ds i dont think a demo is available
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    How to prevent locking of semi analyzed HFSS program?

    Re: locked hfss program i dont remember any way of doing it in hfss 9.....there may be an improvement in 9.2....i havnt used it
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    HFSS - Mesh3d error: unable to recover all the surface triangles.

    Re: HFSS - Mesh3d error does your cylinder have a thickness? and are you using any other material apart from pec? check on the intersections and the edges ..zooom in and check.
  11. S

    How to compile HFSS project into a executable one ?

    Re: HFSS code source scripting can give you a vb file, which when double clicked can act just like an exe file, provided you have hfss installed in the system
  12. S

    Ansoft Hfss - Simulation results ?

    did you check the port assignment properly? sometimes these problems occur when ports are not proper.
  13. S

    How to use Spice models in ADS designs?

    Re: pspice model in ads yes it is A DS. i tried the import option in ads....but it has a couple of choices like netlist, schematic etc. which one should i use?...this is my first time pls help
  14. S

    HFSS mesh generation problem

    mesh generation hfss try using hfss scrips to do the simulations. it will work out......i had the same problem and the scripts helped a lot
  15. S

    please HELP me!(simulation of microstrip antenna using HFSS)

    Re: please HELP me!(simulation of microstrip antenna using H a similar model microstrip antenna design with proper documentation is available at the ansoft website. i would recommend you to search there

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