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Recent content by chowlong

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    Processing S-parameter data by using matlab

    Hi, I got lot of data in polar form and want to processing by creating a formula/program in matlab. Can anyone give me some advice.I am starter of Matlab. For example , F(x) = [100*(S11)*(S22) + S12]/ S11 And i have lot of data of S11 ,S22 ,S12 in polar form S11 Magnitude Phase...
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    IE3D:What is the Terminating Impedance Zc?

    This is my summarize.Am i right about the understanding of terminating impedance? Given: chip impedance = 22-196j Below is my approach, Step1) design a pattern on patch antenna to obtain a Z-parameter graph which (ideal case : antenna impedance = 22+ 195j between 860 to 940MHz) Step2)...
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    IE3D:What is the Terminating Impedance Zc?

    Thanks for your reply again =) 1)I am confusing about the source impedance and load impedance. In this case , source impedance = chip impedance (22-196j) ? load impedance = antenna impedance( 22+196j) ? And i agree with "the ans is you use "complex conjugate" of the impedance that the...
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    IE3D:What is the Terminating Impedance Zc?

    Hi smoothcriminal, Thanks for your reply and sorry about the clearness of the question. Now i am going to design a RFID antenna and match the chip impedance which is 22-196j In IE3D , i want to obtain the S11 graph after simulation. What should i set in terminating impedance Zc? I can sure...
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    ie3d software mgrid help

    HI.Same thing happen on me. Any solution?
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    IE3D:What is the Terminating Impedance Zc?

    Hi all. I am going to design a antenna to match the chip impedance with 22-196j. What is the Terminating Impedance Zc i need to set? Terminating Impedance mean load impedance when calculate S11(Gamma)? From the equation Gamma = (Zc-Zo)/(Zc+Zo), where Zc = load impedance = terminating...

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