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Recent content by irnenginer

  1. I

    Need help for HFSS design

    I am not sure I totally understand what you are asking. Usually I use wave ports for microstrip launches. Assuming you are using drive modal (which is also what I tend to use on microstrip structures), you want to define the integration line between the ground and the MSline. Maybe post your...
  2. I

    Need help for HFSS design

    Sure, just swap the Y and Z terms in both in bother the X axis and Ypoint paramters to rotate around the Y axis.
  3. I

    Need help for HFSS design

    Here is an example to set up a rotating relative coordinate system about the Z axis. This is at least how I do it. 1. Create a relative coordinate system 2. Edit the Coordinate system. The best way is to double click the coordinate system to get the properties window (trying to use the docked...
  4. I

    Need help for HFSS design

    If I get what you are trying take a look at Boolean>Imprint Projection. You can rotate a coordinate system by parameterize the coordinate system using the "X AXIS" and "Y POINT" for the coordinate system. Use sin and cos to set the angle and a parameter to define the angle (I think it defines...
  5. I

    Looking for proper SMA connector which can be bond 90 degree to my microstrip circuit

    What is the frequency you are operating at? Can you explain your carrier and substrate in more detail? What is the materials involved? How are the carrier and connctor bonded to the enclosure? Without answers my quick shot answer is to look carefully at your ground bonding. If the frequncy is...
  6. I

    Faraday cage design and parameters

    To help get an idea of what you are doing you are observing a sample and its behavior under RF excitation. I think the size you want will be too small. if you put a box around your antenna to allow the microscope to be outside the box the box will have a large influence on the fields generated...
  7. I

    Which PCB substrate to use for 2 - 8 Ghz circuits?

    It, as always can depend on your requirements. There are a wide variety of materials out there and they are not created equal. Here are the things to think about: Cost : Materials for RF tend to start at 2x the base cost of FR4. Plus different materials can cost different to process...

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