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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?
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...
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...
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?
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...
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...
Why is so expensive the CST software vs XFDTD? Well, I have a demo version of XFDTD, one disavantage I saw so far is they don't have a far field radiation pattern. But this don't explain that CST cost the twice. Please can someone tell me why?
frequency sinus fourier basic
I'm confuse between Time Domain and Frequency Domain solvers. Well in my understanding, Time Domain is useful when you have an excitation voltage or current which is not a simple sinus. Because, if you do Fast Fourier Transform on a delta impulse ,let's...
I have read some threads in this forum and I found some criteria for the choice of a software.
1) what kind of excitations can be applied to the structure (e.g. lumped ports, waveguide ports, plane waves?)
Can you give me some examples of softwares on these items?
thin wire kernel
Can anyone provide me some references on the Thin wire modeling with Kernel limitation? I using a SuperNec demo version and in one place I have to specifie the interaction between two segements and this is with Kernel application. I'm not sure what should be this distance...