Hello fellow KiCad simulators,
I tried to understand the whitenoise source by plotting the spectrum.
When i try to plot i get the error “Can’t open viewport for graphics”.
I searched for the error but there is very few cases which didn’t seem relevant for KiCad. Batchmode was the cause for someone with the same error.
I added my netlist below and all output. I am using NGSPICE 38 and KiCad 7.02 on Linux.
Netlist:
.title KiCad schematic
.save all
.probe alli
.tran 0.5n 1u
.control
set controlswait
run
linearize in
fft in
plot mag(in)
.endc
V1 in 0 TRNOISE( 1 0.7n 0 0 0 0 0 )
R1 in out 1
C1 out 0 1n
.end
full output:
Background thread stopped with timeout = 0
Note: No compatibility mode selected!
Circuit: KiCad schematic
Prepared to start controls after bg_run has finished
Doing analysis at TEMP = 27.000000 and TNOM = 27.000000
No. of Data Rows : 6774
Doing analysis at TEMP = 27.000000 and TNOM = 27.000000
No. of Data Rows : 6794
FFT: Time span: 1e-06 s, input length: 2001, zero padding: 47
FFT: Frequency resolution: 1e+06 Hz, output length: 1025
Can’t open viewport for graphics.