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Currently evaluating QUCS as an alternative to LTSpice. The one thing that is standing out as a blocker is that a simulated circuit cannot be dynamically probed -- all probe points have to be defined…
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This strange bug happened in a friend's machine and after a lot of tests we cand reproduce it in my Windows 10 machine, Qucs-S 24.3.2:
![export](https://github.com/user-attachments/assets/a6fbeff9-…
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Attempt to simulate has produced the following error:
> checker error, no actions defined: nothing to do
(see the attached screenshot).
![image](https://cloud.githubusercontent.com/assets/1406510/7…
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This may be an old bug: I have checked that it's present also in Qucs 0.0.16 and could be the same issue mentioned in the [BUGS file years ago](https://github.com/Qucs/qucs/blob/master/qucs-core/BUGS#…
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Problem
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I've noticed that changing the variant of the diode symbol does not change its appearance anymore:
![image](https://github.com/user-attachments/assets/08b2aa48-d716-4456-a43a-52…
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I made no change in my qt6 installation under Ubuntu 22.04 since long time.
Building qucs-s from _current_ branch with
cmake .. -DWITH_QT6=ON -DCMAKE_INSTALL_PREFIX=~/.local
I got
-- Could NO…
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When using a substrate with the relative permittivity "er" set to 1.0, the S-Parameter Simulation yields only results with "NaN". See below for an example schematic.
I had a look at the equations of t…
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Hi,
I'm playing with this RF switch, where quite hopeless what should be wrong with my simulation as many different switches was working before. I copy the simulation error log also attach the S p…
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FreeHDL is dead upstream. GHDL is the best alternative.
Replace the simulation engines is as simple as modifying the wrappers scripts.
However the digital.pdf tutorial is written around FreeHDL. Wha…
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Is there any scikit-rf function that provides the schematic representation of the circuit other than the one provided by Circuit.plot_graph()?