Confused with 0TA3080

[Marc Nostromo [M-.-n]]

After the ota, it goes straight back in the inverter.

See the full diagram here:

http://modular.fonik.de/pdf/Wasp%20Filter%20clone.pdf

I've measured the output of the inverter (U1/4) but no luck either.

Should I just connect a resistor to ground at the ota's output and
measure the voltage across it ?

Thanks.
/M

2013/1/20 Tony Hardie-Bick <tony at entity.net>:
> without negative feedback the ota acts as a voltage controlled current
> source.
> whatever part of the circuit comes next would convert the current to
> voltage,
> so you need that, and to measure the output of that, to see the signal.
>
> Tony (HB)
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