On Sun, 4 Nov 2018 at 12:40, Sean Breheny wrote: > The LT6013 datasheet states that it is only guaranteed to be stable for > gain of 5 or more. Since you are using ... - Read the data sheet in all areas which may be relevant to the observed effects. - Read the data sheet in all areas which may NOT be relevant to the observed effects. - An oscilloscope (and a camera) should be surgically attached to your right arm. (Or to your SPICE virtual right arm where relevant). - Try a "perfect" component. - In SPICE et al, de-perfectise perfect components which have imaginary components. (eg add a small series resistance to "perfect" inductors, ... ). - Have a virtual (or real) talk with Murphy. "How would you mess this up IF you wanted to ...?" (he always does.) - If software is involved, consult Grace Hopper. - Have ............ ? R --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .