[volt-nuts] Why discrete JFET differential pair before opams?

[Attila Kinali]

On Sat, 29 Aug 2015 20:17:55 +0200
Andreas Jahn <Andreas_-_Jahn at t-online.de> wrote:

> the LSK389 is usually used for very low noise applications.
> (the title already states this: 40nVpp).
> 
> What 1/f noise has the LTC6241?

Ah! Now it makes sense! The LTC6241 has an input noise voltage
of typ 550nV p-p (0.1Hz to 10Hz).

Thanks!

			Attila Kinali

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