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Recent content by qqyak

  1. Q

    Need papers about the theory of couple line balun

    balun Excuse me,who can attach three paper : 1.transmission line conversion transformers 2.a new wide-band balun 3.general theory and design of optimum quarter-wave TEM filter I want to know the theory of couple line balun,like marchand balun or anaren 's balun. thank you very much!
  2. Q

    PLL and Direct Digital Synthesieser

    deans 3 is very good book,you will downlod from NATIONAL 's web
  3. Q

    spiral inductor simulation program

    hfss is more accurate
  4. Q

    Where can I get the theory of balun ?

    Re: balun thank you,but i want to know microstipe structure ,like ANAREN 's balun
  5. Q

    Different s2p file sequences

    s2p format please,how to choose the sequence of S11/S21/S12/S22.THANK YOU
  6. Q

    Multi-section wilkinson power divider

    what mean of 7 section, is it 7 willinson
  7. Q

    The relationship between S21 and the filter zeros/poles

    FILTER can you tell me the relationship between S21 and the filter zeros/poles.especially elliptic function,thank you
  8. Q

    Where can I get the theory of balun ?

    balun i do not know theory of balun，where
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