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op_amp_2_test.png

<!channel> An extension to the question I asked above:  I have 2 different trials of the input data, each stored as a separate .cir file.  I want to run the circuit simulation for each of the trial and store the circuit output for each trial in a separate output file. Here is my circuit where I am using pwl() function as a voltage source:

If you need to load data from an external file it is better to remove the voltage source from the schematic, add a `.include vsource.cir` line or something similar and the vsource.cir file should contain:
```vvin vin gnd pwl
+ time1 value1
+ time2 value2
+ time3 value3
...```
This simple file should be generated from the csv file by using a simple script (awk, tcl, python)

in the SPICE code block remove the `.end` line.
`.end` marks the end of the netlist. Xschem appends the .end line at the very end. if you put a .end anything that follows will be ignored.