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Recent content by pennylsn

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    Check this PIFA radiation patterns

    hi, i've simulated some radiation pattern using IE3D. Can anyone explain to me why i got this kind of radiation pattern? and is the radiation pattern ok?? i'm designing PIFA
  2. P

    How to improve PIFA bandwidth??

    it is Zeland IE3D file.. u hv to open it using the software.. i've tried to increase the air-gap.. but it doesn't really works
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    What is best software to aid in Antenna Design?

    best software for antenna design depends on wat type of antenna that u wanna simulate... like planar antennas, u can use IE3D.. i use it for my pifa antennas.. really good
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    bandwidth enhancement for pifa (gsm900&1800)

    hi all, the design i have here is a pifa design for 900&1800mhz the return loss is quite ok but i couldn't get good bandwidth for it.. can anyone help me out? urgent!!!!!!!!! thanks for saving my life...
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    wat are the proper steps to generate radiation pattern(IE3D)

    hi all, attach here is the file i need to generate for the radiation pattern. the antenna designed is for 900Mhz and 1800Mhz. thanks..
  6. P

    How to improve PIFA bandwidth??

    pifa bandwidth hi, i have a design here for 900Mhz and 1800Mhz.. but i can't get the sufficient bandwidth required for GSM900 and GSM1800.. can anyone tell me how can i improve that??? and why normally i can only get good return loss for one frequency band only? and the other one will be a lot...
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    pifa design for 1.8GHz

    Dear all, i need a pifa design for 1.8Ghz. by using the formula f=c/4(w+l) , i tried the dimensions of 30mmx10mm. i've varied the dimensions and tried it all using IE3D. But i still can't get it at 1.8GHz... anyone can help me? thanks..... regards, penny...
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    [to Jian] PIFA in IE3D

    Hi Jian, I've done a simulation on a PIFA using IE3D.. but i'm not sure whether i get all the settings correct. How do i enter the values for generating radiation pattern? Thanks a lot.!! Regards, Penny
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    compact PIFA design for GSM/DCS

    dual band pifa i don hv enuf points to download the file.. can u pls send to my email instead? pennylsn@gmail.com thanks
  10. P

    compact PIFA design for GSM/DCS

    antenna design gsm/dcs.pdf ya.. i want!!! but i want the PIFA design for GSM900 and GSM1800.. (dual-band operation).. urgently needed...
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    compact PIFA design for GSM/DCS

    gsm compact et design thanks.. is there any way to tune the PIFA?? any equations? coz i got some designs from some papers.. but i need to modify abit to suit my application..
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    compact PIFA design for GSM/DCS

    pifa design i'm looking for a compact pifa design for dual band operation, GSM/DCS.. anyone has any reference?? thanks...
  13. P

    How to draw the shorting plate in IE3D?

    IE3D help!!! jian, thanks for ur help the other day.. i would like to know how to set up the substrate layer thickness in IE3D.. thanks..
  14. P

    How to draw the shorting plate in IE3D?

    IE3D help!!! thanks alot.. i will try it out..
  15. P

    How to draw the shorting plate in IE3D?

    how to draw the shorting plate in IE3D?? i'm doing a PIFA design.... thankssssssssss

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