Hi, I am trying to develop an RF circuit, but quite inexperienced with LTSpice. As much as I check out on Google, I could not find a solution to my problem, where the Run command for Transient analysis returns "Multiple Instances of Flag" error. I examined the model file with a text editor, but it was no use, I could not find a specific error. It is probably because of my mistake that the model I use is not well connected by its model files to the schematic. The model I used for SA612 mixer and an ss is attached. Anyone knows how can I get rid of this "Multiple Instances of Flag" error?
: Locked by Moderator
Hierarchical schematics didn't need the ".include" command. Changing this line into a comment (and assigning a value to C6) the simulation runs without error messages using the automatically generated symbol. If you encounter further errors, please attach your "SA612.asy" too.
Thanks for the reply, It really works well.
Hi, Iam trying to include the file LT3471 it end up showing multiple Instance of flag error. Help me to fix this error. Thank you!
Hi, I am trying to include the file LT3471 it end up showing multiple Instance of flag error. Help me to fix this error. Thank you!
Why do you try to include a schematic? That's not possible. Copy the schematic into this schematic or make a hierarchical schematic.
Here are two diode data sheets. I want to focus on modeling SER30KE60 because it has a lot of data. The second data sheet provides definitions of typical reverse recovery parameters. Tasks: 1. Write a .meas statement in diode test schematic that will find the diode peak reverse current. 2. Run a .meas script from the waveform viewer. Create a text file that has the same .meas statement and give it the ending .meas The results are in the .log file 3. Run a .meas script from CMD. 4. Use Python to run a simulation, run .meas, and capture the peak reverse current from the log file. the question is how to do this from datasheet without modeling a circuit