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Recent content by sree479

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    Patch antenna using lpkf

    Hi Unaz, To fabricate patch antenna using LPKF prototype machine, 1. Import the individual dxf files of top layer and bottom layer of patch antenna. 2. After assigning top and bottom layers, 3. Assign the rub out areas. In this way you can easily make the patch antennas using LPKF machine.
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    [SOLVED] Antenna Efficiency in CST MW STUDIO

    In CST MW STUDIO, for my antenna design observed that negative efficiency values in dB? Can any one suggest me what might be the problem?
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    Feko symmetry problem for log periodic antenna

    I am trying to redesign the log periodic antenna given in feko examples. After simulation without electrical symmetry i am getting the output, but with electrical symmetry i am unable to simulate, I am attaching my file. If possible please find the solution for this problem.
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    current distribution path in hfss for patch antenna

    you can increase the no of arrows by using the modify the plot attributes.
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    How to create patch both in the front and back of the substrate in hfss

    I understood your problem... After drawing the second bow tie using draw line command it takes the same level of previous bow tie design.... In this situation just select the second bowtie each and every poly lines and change the substrate height in every polyline. At the end of all changes...
  6. S

    Problems regarding Field Solutions in HFSS

    Without adding proper solution frequency in analysis it give that error. By defining the solution frequency it starts meshing and analyze your model. So go to analysis in project manager in analysis add the solution frequency of interest.
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    found the following errors while designing in HFSS

    In your design lots of mistakes are there. Radiation box, ports, substrate material........ Just check your base paper and try again...
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    HFSS Simulation Time

    You can do these to reduce the simulation time... a) Minimum no of passes b) Uncheck the save fields c) In Frequency sweep step size should not be very small d) Frequency sweep range to be kept as required range
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    HFSS, UWB Antenna is converged and giving S11 parameters perfect,but do not radiates

    I observed from your simulation file that everything is fine with small changes 1. Remove the so many setup files give the one set up with frequency sweep from 3 to 11 GHz. 2. Now take the gain in dB from farfield radiation pattern at particular frequency with desired theta and Phi values..
  10. S

    How to convert 1d to 3d object in hfss

    Re: How to convert !d to 3d object in hfss You can also try to change the 2D objects in to 3d by assigning the thickness of the material.... Modeler>surface> thicken sheet give the thickness or increment value in desired direction.... then it is converted as 3D object and assign the...
  11. S

    How to generate 5 th order Gaussian pulse in CST MW studio?

    I want to observe the time-domain performance of UWB antenna in CST MW studio. Can anyone help me how to get fifth order Gaussian pulse as input to the my UWB antenna.
  12. S

    immersion antenna structure in oil on hfss

    Dear SLK001, I have another question for this. What are the parameters we have to define for the oil? Only Dielectric const and conductivity enough for oil or any other parameters required
  13. S

    how to design sma connector in cst mws to feed cpw

    Hi sandeepkiranv, Importance of sma connector in the antenna simulation is less. If you are interesting in observing the fields at the sma connector only you need the sma connector in simulation. For waveport in cpw case just you take width as just more than three times of feed line width and...
  14. S

    reg: cpw feed in CST

    Your wave port dimensions are wrong. I will send the edited one to your mail.
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    HFSS save options: "Save preview images in project file"

    Dear rizoeda, This save preview images option will help us to show the our model image as a image when you open the old files. Try to open by saving the with enabling and without enabling the two files. When you try to open the one you enabled will show the preview of your model other one...

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