[sdiy] op amp phase inversion

[jhaible at debitel.net]

> The explanation applied to bipolar input stages. But JFET op amps
> can show this behaviour as well. 

I thought JFET opamps were especially prone to this phase reversal effect.


> From the datasheet one can not really tell if the op amp will latch or 
> not. E.g. I could not see a problem in the TL071 data sheet,
> nevertheless, the device will latch 

You can bet that, if the data sheet does not explicitely scream
"this uses a special design to avoid phase reversal", then the
opamp will probably do it.

JH.

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