[sdiy] AS3397 what is it?

[Tom Wiltshire]

I'm not claiming any kind of deeper insight, but it looks like a virtual ground node to me. E.g. you can mix signals (currents) *in* there, but you can't pick signals *out*.

This is just a guess though.

Tom

> On 19 Jan 2025, at 00:13, Rainer Buchty <rainer at buchty.net> wrote:
> 
> To those who have deeper insight into the 3397: Is pin 15 just a current input (as named) or, as the schematic overview suggests, also a current output, i.e. could I pick up the oscillator output there pre-filter?
> 
> Rainer
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