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you can simply add the field generated by the orizontal and vertical dipole. You can have an ellictical, circular or linear polazitation, it depends on the relative ampliture and phase currents.
microstrip antenna are a broad class of antennas, wich includes the printed monopole antenna.
Microstrip antenna is the same of printed antennas, because the feed line is a microstrip.
the antenna on this paper are not a patch antennas.
Hello.
I need a laboratory in order to screening microwave diode.
i need gross leak fien leak vibration, thermal shock.
do you know one in europe?
thanks
complexe pcb with eagle
For complex circuit for rf application, with multilayer PCB, do you think I can use Eagle or I have to use something ad mentor grafic or orcad?
I want to use a high side driver in order to drive a Power FET. I don't know how to use sensing input for protection from high current. can you sudgest me some book on this topic?
Thanks
sinusoidal gaussian pulse in fdtd
In FDTD You shoul use a modulated gaussian impulse. the frequency of the RF sinusoidal tone should be the center frequency of the analisis band, and the duration af the pulse is 0.9/deltaf, where deltaf is the width of the band.
of corse t0 have to be less than...
in order to give a matched port and evaluate the mode at the port, CST needs that the waveguide extent inside the calculation domain for three or four mesh cell.
You can do two thing, increse mesh cell (not the best) or extend the waveguide section without curves or angle for 0.25lambda.
A New Low-Profile Wide-Scan Phased Array for UWB Applications
Tallini, D.; Galli, A.; Ciattaglia, M.; Infante, L.; De Luca, A.; Cicolani, M.
Antennas and Propagation, 2007. EuCAP 2007. The Second European Conference on
Volume , Issue , 11-16 Nov. 2007 Page(s):1 - 5
Thanks
direct up conversion mixer
Fliker noise gives problem only if you ara working below 1MHz, if tou are working 100MHz or above, it's not a problem. You should use low fliker noise shottky diode if the frequency is very low, and you need low phase noise (radar application for exemple)
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