-=> ROY J. TELLASON wrote to GREG MAYMAN <=-

 RJT> Yeah.  I still have a "709" or two around,  and maybe an
811 (which I'm
 RJT> sure nobody has ever heard of),  stuff like that.  They were actually
 RJT> considered superior to the 741 for some uses,  though I can't recall
 RJT> which uses those were offhand.

The 709 was an excellent high gain amplifier.
I made quite an impressive little hugh gain preamp with one.
Two compensation caps required, anti-latchup diodes
at inputs and it even required ferrite beads as it'd pick
up stray radio signals.

You're right, never heard of a 811.

 GM> I remember the hoohah that heralded the 741, the very first op-amp
 GM> with internal compenstaion that would work right down to unity
 GM> gain!

 RJT> Heh.  I had a lot of trouble back then because of not having the proper
 RJT> information to use a lot of those chips.  I'm still not sure where I'd
 RJT> look for it offhand if I needed it,  though I do have that op amp
 RJT> cookbook around here someplace.

 Great book.

 
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