On Sat, Jul 11, 2009 at 5:35 PM, Paul Schreiber<synth1 at airmail.net> wrote: > > Paul S. > /proud user of 31,844 TL072 op amps (and counting!) But do You really think those opamps made by TI were made with a different DIE per marking? Samppa, "But I fear tomorrow Ill be crying"