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Recent content by djtommy

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    cst examples and sierpinski simulation

    oh~ my word is "Sierpinski Fractal antenna(triangle)", and i'm doing line edge feed, then i realise that the line should have certain dimension to match the 50ohm input impedence so the return loss can be lower then negative 10dB... Do u mean doing a simulation in matlab to observe the...
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    Fractal antenna research and design

    fractal antenna pwb design Do anybody know the way to calculate the characteristic impedance of a sierpinski fractal antenna(triangle)? And if i'm doing line-edge feed, how to calculate the dimension of the line?
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    Microstrip Width Calculation for a Specified Char Impedance

    Re: Microstrip Width Calculation for a Specified Char Impeda Do anybody know the way to calculate the characteristic impedance of a sierpinski fractal antenna(triangle)? And if i'm doing line-edge feed, how to calculate the dimension of the line?
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    cst examples and sierpinski simulation

    practical examples on cst i'm wondering do u have some example or paper that show the characteristic impedance of the fractal antenna.... And if the antenna is designed as line edge feed... do it have some formula to calculate the line edge dimension?
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    cst examples and sierpinski simulation

    exmple model in cst thanks for your info.. your things are much helping me.... :D
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    Microstrip Width Calculation for a Specified Char Impedance

    Re: Microstrip Width Calculation for a Specified Char Impeda Do anybody know how to know the actual size of a triangle sierpinski fractal antenna? Does it related to the operational frequency or anythings else? Hope to get reply from u all, thanks, My e-mail ... djtommy_bigtank@yahoo.com
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    cst examples and sierpinski simulation

    sierpinski antenna cst do anybody know how to know the actual size of a triangle sierpinski fractal antenna? Does it related to the operational frequency or anythings else? Hope to get reply from u all... thanks my e-mail ... djtommy_bigtank@yahoo.com
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    Fractal antenna research and design

    fractal antenna on the ham bands i'm currently designing a sierpinski multiband fractal antenna and i can't get any usefull information from the internet, is there any mathematics formula that needed to design the fractal antenna and is it can determine the size of the antenna? can u give me...
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    Siepinski Fractal Antenna Design... (how do i know the size)

    fractal antenna design i'm currently design a sierpinski multiband fractal antenna... how do i know the actual size of the antenna (triangle shape), is that any mathematics formula that include the dielectric of my microstrip board or the operational frequency of my design? where can i...
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    Infrared Data Transfering Using Stir4200s chipset (USB)

    i've a hardware with stir4200s chipset and USB port. i know how to write the application for select file to transfer, but i don't know how to write the command(Visual Basic 6) to let the data pass through USB port then go to the stir4200s chip then go out by the infrared... Do i need to...

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