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Recent content by matianfu

  1. M

    How to model a button cell in CST Microwave Studio?

    I want to simulate (and design) an antenna for 2.4GHz Active RFID in CST microwave studio. There is a button cell near the antenna. Most area of the outer case is anode, that is, the power, not the ground. So I wonder how to model it in simulation software. Is it OK to simply create a metal...
  2. M

    Why S11 result so different when changing frequency settings

    Thank you very much. I tried to check the adaptive meshing option and found after several pass, they eventually became almost the same. Is this the way you recommend to solve my problem? The only painful thing is adaptive messhing takes too much calculation time. Maybe it worths as long as the...
  3. M

    Why S11 result so different when changing frequency settings

    s11 settings + ads I am using CST MWS to simulate an 2.4G U-slot patch antenna. I set the frequency range from 1 to 4GHz and tuned the antenna dimension to have an optimized bandwidth & S11. Then I changed the frequency range to 1.5 to 3GHz, I found the simulated result is quite different from...
  4. M

    How to setup Ground Plane when simulating differential ant?

    ant ground plane I am an newcommer to CTS MWS and this kind of microwave simulating stuff. Now I am trying to design an differential antenna for an 2.4G RFID chip. In single-end antenna feed mode, I simplely connect the excitory port pin to ground and ant feed point, but for differential...

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