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Recent content by kpcheah

  1. K

    how to get length of the input&output matching line?

    how to determine the length of the input and output matching line of the bandpass filter?izzit 1 wavelength?half wavelength? 1/4 wavelength? or others? for example, i need to design a bandpass filter with specification as below: Center frequency: 2.4GHz 3dB bandwidth: 200MHz dielectric...
  2. K

    How to draw via by using ADS momentum?

    Hi i am very new to ADS. How to draw via by using ADS momentum? i would like to draw via to ground can anyone help? Thanks
  3. K

    multiple mode resonator help!!!

    Hi, I am trying to design a UWB (ultra wideband) filter using multiple mode resonator. Can anyone tell me how to determine to resonant mode of the (SIR) stepped-impedance resonator? I need to determine the first three resonant modes of the resonator and reallocate it to the lower-end, center...
  4. K

    Multiple-mode resonator & stepped impedance resonator (h

    stepped impedance filter Hi, my email is kpcheah@edaboard.com Thanks
  5. K

    Multiple-mode resonator & stepped impedance resonator (h

    multiple mode resonator Hi, can u post me those article? Thanks
  6. K

    Multiple-mode resonator & stepped impedance resonator (h

    multiple-mode resonator Hi, I need information about multiple-mode resonator and stepped impedance resonators to design ultra-wideband filter. Please give me any related information. I need it urgently. Thanks
  7. K

    Ultra-wideband filter design (need help)

    is there any other method beside cascade highpass and lowpass?
  8. K

    Ultra-wideband filter design (need help)

    Hi all, i am required to design an microscrip ultra-wideband filter with fractional bandwidth of 110%, center frequency of 6.85 GHz (3.1GHz to 10.7GHz). What is the best way to design it? Pls give me some suggestion, and do post me related paper and e-book. I need help urgently...
  9. K

    How to calculate width and space for parallel-coupled filter

    calculate width of material I am trying to design microstrip bandpass filter. I have calculate the even-mode and odd-mode characteristic impedance, but i dont know how to calculate the width and the space for the filter. Can anyone help me. Below is the data i obtain: j (Z0e)...
  10. K

    Microstrip Filter design help

    Hi everyone i am very new to RF design..can anyone post any good book/paper/link about microstrip filter design to me...i need it...thx a lot
  11. K

    RF filter design, freq 60 GHz, looking for any info

    Re: RF filter design i need to design microstript filter also...can anyone help???any good book/article/website???thx a lot
  12. K

    Video and Image Processing in FPGA

    fpga image processing Hi can upload the book to me? my email address is kpcheah@gmail.com thx

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