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From: Stefan J. <st...@gr...> - 2007-05-19 15:29:59
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Am Sa, 19.05.2007, 15:56, schrieb George Kourkafas: Hello George, > Dear Qucs Team,congratulations for the developement of this amazing piece > of software. The fact that such programs are under the GPL licence is very > promising... Thanks. > I have a question I'd like to ask. Could you please tell me if > there is a way to change the data item on the x-Axis in the diagrams? I am > trying to depict the i-v curve of a diode under a dc Voltage source when a > resistor is connected before the diode (in line). In other words, i want > the diode's voltage (not the source's voltage) to be in the x axis and the > current in the y-axis. I tried the PlotVs equation but i get a "wrong > dependency" message in the table (the dependency remains on the source's > voltage so the x-axis remains as it is).An idea to solve the problem could > be replacing the voltage source with a current source (so the current, > which is the same everywhere in the circiut, is the independent data) and > then measuring the diode's voltage, but with the axes being reversed, but > i don't know if this is possible.Thank you in advance and > congratulations,George KourkafasGreece. Both things should be possible. PlotVs() and the current sweep. Can you send in the schematic+data display, so I can have a look at it and probably fix it for you... Thanks for trying Qucs, Stefan. |