Comments (3)
This may be the issue...
Qucs-S has issues plotting single frequencies, CW. In #156 Vadim used a 3D plot for a temporary fix.
Qucs/ngspice use different methods to calculate simulation frequencies from Start, Stop, Step and Number. One has to play around with the Qucs simulation settings to get the exact frequencies in ngspice. Vadim can explain better than I.
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I found an old QucsStudio schematic from an ST presentation that looks like your schematic. Forgot where I found it.
Verilog Compiled_Library_prj.zip
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@dwarning It is a known issue and explained in #156 and #161 The plotting engine cannot assemble a set of 1x1 plots in a smooth curve. Two solutions are possible:
- Set line style to Circles/Stars in the diagram properties. You will see the simulation points. Also you may use the table.
- Use the scripting simulation to assemble a vector from set of 1x1 plots. I have uploaded a CV-curve simulation example that uses this approach. See #156 for more info.
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Related Issues (20)
- Expired Sign Keys HOT 6
- Potential error in cauer band(pass|stop) center frequency calculation HOT 2
- Add Windows CI setup using Guthub actions HOT 11
- Wrong bound box for simulation block HOT 1
- the open/save box is very slow HOT 5
- How use xxx.va model and other mos transistor which not included in Qucs-s? HOT 7
- Selection Box, Selecting Items and Moving Items Issues HOT 21
- Windows Security Complaints HOT 9
- Nutmeg script text selection issue HOT 5
- Getting the error "No simulation found. Please add at least one simulation!" HOT 1
- Get rid of Q3PtrList wrapper HOT 2
- Automatically add .OPTION INTERP if Parameter sweep + TRAN analysis presents on schematic HOT 1
- Issues Editing Sub-circuit Symbols HOT 13
- New Varactor Library for ngspice HOT 6
- Any updates on single frequency analysis? HOT 1
- New PIN Diode Library for ngspice HOT 2
- Sub-circuit Text Displayed HOT 6
- Data missing from old projects HOT 1
- Parameter Sweep of Varactor HOT 2
- Can't plot the subcircuit node voltage curve when using Nutmeg script HOT 1
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