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  1. M

    Can you saturate a voltage meter?

    Voltage meter Hi, Is it possible that we can satured a voltage meter? I mean that an overload of high voltage through the voltage meter. Thanks, Mica
  2. M

    What are the criteria for an UWB switch ?

    UWB switch Hi, What are the criteria for an UWB switch? In other words, what are the conditions that we say that this swicth is an UWB switch? Also, can you provide me good books on UWB switch for beginners? Thanks, Le
  3. M

    generic model spiral stripline antenna Feko

    Hi, Can anyone provided me a generic spiral stripline antenna in Feko simulation? Thanks, Mica
  4. M

    What's your opinion on XFDTD software?

    xfdtd download trial version Thanks for the web site. Very interesting stuffs. Mica188
  5. M

    What's the importance of source frequency for antenna?

    Re: source and antenna Thanks for the info. So, if my generator is a ultra wide band (impulse) this means that I can use all types of antenna. Thanks, Mica
  6. M

    What's the importance of source frequency for antenna?

    Hello, I need some clarifications. Please correct me if I'm wrong. Here is my summary of the problem which I don't quit understand. The source ( feed the antenna) will attach to the antenna. Quit obvious. The only thing is to be sure to match the source to the antenna to avoid inefficiency...
  7. M

    antenna and generator question

    Thanks for your response. What is the difference when you apply an impluse to your dipole and a sine wave? Correct me if I'm wrong, an impluse have a large spectrum of frequency then a sine wave which have a single frequency. So, if my antenna is a dipole, it is not necessarily to have an...
  8. M

    antenna and generator question

    Hello, A generator gives a 100 volts output in 3 secondes and it connected to an dipole antenna (assuming no loss in connection). What will be the fequency of this output that can radiated this maximum energy? Because a dipole its lenght is lamda/2 to radiate the maximum energy. How can you...
  9. M

    Where to get the XFDTD 6.1 trial version?

    xfdtd download trial version You have to contact a distributor. Mica
  10. M

    Where can I find an evaluation version of PSpice OrCAD?

    pspice model level Thanks, I have a lot of problems. What is the cheap version that I can buy? I don't want the student version because I can get output data in txt format. Thanks, Mica
  11. M

    Where can I find an evaluation version of PSpice OrCAD?

    Hi, Where can I find an evaluation version of PSpice ? I don't want the student version and I have download PSpice from OrCAD. It is very complicated. It doesn't read schematic file which I have created from PSpice version student (MicroSim). Can some help me? Regards, Mica
  12. M

    Whats the difference between PSpice,TSpice & other versi

    Spice Hi, Can any one tell me what is the difference between PSpice,TSpice and another version of Spice ? I'm a bit confuse. Regards, Mica
  13. M

    Question about the input impedance of an antenna

    Input impedance Hi, I'm a little bit confuse. Concerning the input impedance of an antenna, I have excited a dipole with a pluse (gaussian). The output data at each frequency is associated with one input impedance. Is this mean that to have that energy radiated I have to match this impedance...
  14. M

    Need the output data of an impulse in PSpice

    Output data Hi, Can someone provide me an output data of an impulse in PSpice, the width of this impulse is about 1 nanosec (voltage vs time)? Thanks, Mica
  15. M

    Few questions on Ansys 8.1 and Ansys Workbench Suites 8.1

    Re: Few questions on Ansys 8.1 and Ansys Workbench Suites 8. No, Ansys Mutlphysics can be used for HIGH frequency only. But if you want to use for LOW frequency, you have to get an add-on module which is " Emag". Mica
  16. M

    Where to find output data from PSpice?

    Re: Output data PSpice I don't have a .csd extension. Is this normal? I want to know the output data structure, for example, if my plot is voltage vs time. The output would like 2 columns one is the magnitude of the voltage and these other is the time or is it in another structure? Regards, mica
  17. M

    Where to find output data from PSpice?

    Re: Output data PSpice Hi, Thanks, my version is an evalution version, so, is it possible to have output data? Regards, mica
  18. M

    Where to find output data from PSpice?

    Hi, I need some help on my output data from PSpice. I have run a circuit and I want to figure out where are my output data. I mean when you run the circuit, it plots a graph current (I) vs time. I saw the plot in the software but is it possible to get these data? I search all the I open all the...
  19. M

    Frequency Domain vs Time Domain

    Thanks for your response. Feko is a frequency domain solver but has a time domain module and XFDTD is a time domain solver but it can transforme data in to frequency domain. I wonder what is the difference between these two solvers or does it have a difference, I talking about time or the...
  20. M

    Frequency Domain vs Time Domain

    Hi, What are the advantages and drawbacks of using a frequency domain or a time domain solvers? Best regards, Mica

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