OTA question

Haible_Juergen#Tel2743 HJ2743 at denbgm3xm.scnn1.msmgate.m30x.nbg.scn.de
Thu Oct 12 18:40:00 CET 1995

>If it were my design, I would do a variation of (1) with the OTA
>feeding a capacitor/resistor to ground and buffer it with an FET
>source follower.  This will keep the circuit free of nasty opamp-style
>Also I'd use a 13600 or 3280 instead of the 3080 for the obvious noise

Thanks for the answer. I use the 13600/13700 almost every time,
and I have used all three methods (discrete, follower, inverter)
in different projects myself - but what I was really looking for
was some theory about the two alternatives I named (in *some*
applications the level shift of a discrete buffer is not that good).
I was really asking about pro's and cons of the two named
alternatives, and to make it easy I named a 3080. I might add that
 opamps I use to use the TL07x series.
So given these to components (for what reason ever) - what would
the pro's and con's for either configuration?



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