[sdiy] Mind blown -- TL074 saturated outputs different

[René Schmitz]

On 28.11.2018 10:18, Steve Lenham wrote:

> To get real precision and repeatability, I'd be looking at an active 
> (opamp-based) clamp circuit.

Yes, it's quite hard to achieve that with passives alone. As always it 
depends on the required precision. You can do an active clamp or a pair 
of CMOS switches to reference levels. A TL431 makes a decent clamp as 
well (and is adjustable).


Best,
  René

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