Reference material
- http://www.classictek.org/images/stories/Articles/assorted_material/Common_Design_Parts_Catalog_Semiconductors.pdf
- http://www.ko4bb.com/Manuals/Tektronix/Tektronix_-_Miscelaneous/Tek_Copyright_Release.pdf
- http://www.ko4bb.com/Manuals/Tektronix/Tektronix_-_Miscelaneous/Tek_Sampling_Notes.pdf
- http://www.ko4bb.com/Manuals/Tektronix/Tektronix_-_Miscelaneous/Tektronix_Xref_sm.pdf
- http://w140.com/tek_made_sm.pdf