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Recent content by poey_wong

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    How to broaden PIFA multiple band bandwidth?

    hi Alberich, i have tried before the best result i can get is only max 80MHz (for DCS) and min 20MHz (GSM 900& UMTS), whatelse can i do?
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    Anyone have the sample file of CST MWS need help

    Hi all, I'm a final year degree student. I'm using CST MWS for my final year project. I face problem on setting up the SAR simulation on my PIFA design. I have search through CST website however they only show features of this simulation and didn't focus on the step to setup the simulation frm...
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    Help me widen the bandwidth of a PIFA design

    PIFA Design Hi all, I'm a final year degree student. i'm also designing a PIFA using CST MWS with 800MHz, 900Mz, 1800MHz, 1900MHz and 2100MHz. However, i face problem on broaden those bandwidth to fullfill those services requirement. i have a post with my project detail on any1 have any idea...
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    How to broaden PIFA multiple band bandwidth?

    pifa bandwidth Hi all, I have a problem on broaden all bandwidth (880-960MHz, 1710-1880MHz, 1850-1990MHz, 1920-2170MHz). I use stack method, where i have 4 patches calculate base on fc=c/4(L+W) formula, then i stack them 1 by 1 like staircase with shorting plate in btw. as a result i get 3...
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    what is the most reliable brand of laptops?

    Re: BEST LAPTOPS HP is reliable. Advise u to choose the lightest as possible, since u will carry it everywhere.
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    Help on design PIFA with CPW Ground Plane

    cpw ground Hi All, I am a Final Year Degree Student. I have problem on design a multiple band (cover 850MHz, 1800MHz, 1900MHz and 2100MHz) PIFA with Grounded CPW Ground Plane. I have serveral question on it: 1. What is the material commonly used for the Grounded CPW? Can you specify all...
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    Urgent Help Needed! Design PIFA with CPW Ground plane

    cpw ground Hi All, I am a Final Year Degree Student. I have problem on design a multiple band (cover 850MHz, 1800MHz, 1900MHz and 2100MHz) PIFA with Grounded CPW Ground Plane. I have serveral question on it: 1. What is the material commonly used for the Grounded CPW? Can you specify all...

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