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Recent content by myjae

  1. M

    CST how to line voltage or current measure?

    hi all How do you measure the voltage and current of the parts circled in blue as in the following picture? I've seen other people's simulation results in the past, and I've seen them simulate the voltage and current waveforms of sinwave by holding the coil's line, but I don't know how to do it.
  2. M

    value error self inductance simulation in CST

    Let me ask you a question. Do you think if you put one port on this conductor and the other side on the regular conductor, the result will be the same?
  3. M

    value error self inductance simulation in CST

    Ah, because the current flows through the boundary condition, is it calculated by the length that it contains? The boundary conditions are as follows: How do I deal with this? - - - Updated - - - single wire is Inductance . and coaxial is Port. The end co-axial is the port to give the...
  4. M

    value error self inductance simulation in CST

    Theoretical value, actual measurement, simulation value of inductance I'd like to compare three in total. The theoretical values and actual measurements are similar, but only the cst simulation values are different and I don't know what went wrong. diameter of inductor is 3.47mm length is...
  5. M

    power (W) sum of series & parallel circuit.

    how to calculate mathmedical formula of power sum?
  6. M

    power (W) sum of series & parallel circuit.

    i will design series circuit with resist. each of 10 resist consist of series circuit. i know power sum of parallel circuit but what is the allowable power of each of resist. and i don't know mathmatic formula
  7. M

    how to maesure secondary inductor value of Transformer in cst

    um... i serch to various opinion. how to make edge port in CST? there are Wave,discret,plane,lumped port.
  8. M

    how to maesure secondary inductor value of Transformer in cst

    i appreciate opinion of your. i make 2 port. first, primary port is 1 port and open port ,also secondary port is 1 port and open port. secondary inductor is calculate result of Z22 L= image Z2,2 / 2 * pi * f right??
  9. M

    how to maesure secondary inductor value of Transformer in cst

    i wonder if how to maesure L value of Secondary inductor. i thought edge of Primary & secondary inductor make port. each of Primary edge is port 1, port 2 each of secondary edge is port 3, port 4 there is 4 port then L=l imaginary 1,1 l / 2*pi*f i thought can calculate L value. this...
  10. M

    how to design the length of Wilkinson power divider

    i wonder if length of wilkinson divider. each of stripline length is same? ex) 40Mhz frequency,c=λf thus λ/4=1875 mm wilkinson have One Input port and 2 Output port. then each of 2 output stripline is 1875mm, right? let see the Photo
  11. M

    Line impedance in CST

    Re: Line impedance in cst can you upload file???
  12. M

    Wilikinson 2way Combiner port problem in CST

    i designed 1/4 wilkinson 2 way Combiner(40~60mhz). circuit concept is and i used macro of 50ohm line. and did make combiner in cst to this situation, calculate 25ohm port(IN) & 50hom port(OUT) is this right? if this is wrong, How to make port?
  13. M

    Line impedance in CST

    Re: Line impedance in cst you can see line impedance to 2D/3D result
  14. M

    Problem is real masured & simulation different in CST

    Re: problem is real masured & simulation different in CST Thank you for responding to my article. i understood input impedance & characteristic impedance. N.A result is input impedance and simulation result is Zo(characteristic impedance). 1.then, what is the reference impedance in cst. only...

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