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Recent content by Mshafee

  1. M

    RF & Microwave design: a system approach, solution manual

    Dear All, Would you please get me the solution manual of "RF & Microwave Design: A System Approach", by Micheal Steer? If you find it please send it to shafee_9782@hotmail.com. Your help is highly appreciated. Thanks in advance.
  2. M

    Solution manaual of "Foundation of Microwave Engineering, Collin"

    Dear All, I need the solution manual of "Foundation of Microwave Engineering, Collin". Please if you can send it to me or send me a url that I can download from it, this will be highly appreciated. Thanks in advance. Best Regards, Mshafee
  3. M

    final year - need simple and easy book about antenna

    Hi every body, Do anyone have the solution manual of "Antenna Theory & Design" by R.S.Elliott" ? Thank you Best Regards, Mshafee
  4. M

    Patch antenna simulation problem

    patchantenne simulation Dear eng.dreamer, Thanks for your reply. I did not get what you suggest. Do you mean to add a another material above the substrate instead of air? . Thanks. Best Regards, Mshafee
  5. M

    Patch antenna simulation problem

    patch antenna simulation Dear All, I have tried to simulate a microstrip patch antenna. I got reasonable return loss and directivity. However, the simulated gain and radiation efficiency are not good. I think that the problem is from the way of modeling on the HFSS. I have attached the...
  6. M

    Simulation of Coupled Lines on HFSS

    Dear All, I am searching for simulating a microstrip coupled line on HFSS. Please if anybody have a tutorial a simulation file, please send it. Thanks in advance. Best Regards, Mshafee
  7. M

    SiGe heterojunction bipolar transistors, book

    Dear All, Could you please help me in finding this book: "Peter Ashburn. SiGe heterojunction bipolar transistors. New York: John Wiley and Sons; 2003. " Thanks. Best Regards, Mshafee
  8. M

    I designed a Patch Antenna I need to fabricated :(

    Hi Tot, You can export your design to *dxf file (the extension that Autocad use) and import it in another tool (for example MWO) and export from there either the gerber file or pdf file (depending on how you will make the masks). Thanks. Best Regards, Mshafee
  9. M

    HFSS-antenna parameters question

    Dear amu811, Thanks for your reply. The radiation box is lager than lambda/4, but I still get unacceptable gain and efficiency. Best Regardsd, Mshafee
  10. M

    HFSS-antenna parameters question

    Dear All, I have tried to simulate a printed antenna. When I read antenna parameters, I got Directivity < 1, gain is very small and a very small radiation efficiency, which indicates an error in simulation. Then I have set the radiation box mesh to about lambda/10, I got reasonable...
  11. M

    Patch Antenna fabrication step

    Dear Tot, You can export the design into *.dxf file. Then import it in another software as Microwave office. From Microwave office, the imported file will need some boolean manipulations as it will be imported as shapes. Then export to either gerber or pdf depending on the way you will generate...
  12. M

    How to introduce Drude model in HFSS?

    hfss drude model Dear mourad, ould you please explain in details how this could be done? Currently, I am using HFSS ver. 10. Thanks. Best Regards, Mshafee
  13. M

    Resources about the design and analysis of Dual-Mode filters

    Re: Dual Mode Filters Hi Phytech, You are right. I have not read the paper. What I am asking about "Dual mode filters". Thanks in advance. Best Regards, Mashafee
  14. M

    Resources about the design and analysis of Dual-Mode filters

    Re: Dual Mode Filters Dear james, Thanks a lot. The first link does not work. Could you please re-send it again? The second paper sounds nice. Thanks again. Best Regards, Mshafee
  15. M

    Resources about the design and analysis of Dual-Mode filters

    Dear All, I need some detailed resources about "Dual-Mode filters" design and analysis. Thanks in advance. Best Regards, Mshafee

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