If I use LTspice do I have to modify the SPICE models that I download from MOSIS? The models I download from CMOSedu.com work great with LTspice but I want to try some other technologies. Yes, but you will have to change the Change Level = 49 to Level = 8 for the BSIM3 Read more…
Research Links Adding 3rd Party Models to SPICE Some examples of model importation Hints on using individual LTSpice commands and the things the Help Manuals don't tell you about HSPICE Quick Reference Guide LTSPICE Manual Notes agauss is gaussian function using absolute variation Google Search: ltspice "warning: can't resolve Read more…
LTSpice Parameter Sweep Tutorial Put the parameter in curly brackets Add the spice directive. Example below: .param Vsup=1.8 .step param vsup 1.8 1.8 0 This is not the most useful code because it really does not step the value but it does show the correct syntax
The challenge: Reverse engineer the LM317 regulator using SPICE and the LM317 datasheet. http://www.electro-tech-online.com/general-electronics-chat/18270-lm317-spice-model.html – transistor level model of LM317 http://forum.allaboutcircuits.com/showthread.php?t=12152&page=6 QUCS has an example analysis of the LM317.