[sdiy] General White Noise Question

[ASSI]

On Montag, 7. August 2006 01:05, René Schmitz wrote:
> I've been using 12V zeners with good sucess, btw. (on 15V supplies
> only..) Lower voltage zeners seem to be less noisy. The advantage is
> that the breakdown voltage is something specified.

These high voltage "zeners" actually rely on the avalanche breakdown, 
not the Zener effect.  Which explains why they are both more noisy and 
less temperature stable than real zener diodes.

On Montag, 7. August 2006 01:07, Paul Perry wrote:
> Now if someone would only make a 1/F noise source.......

The classical 1/f noise source is a MOSFET... one has to go to great 
lengths to suppress this trait.


Achim.
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