[sdiy] Zeners!

[Julian Bunn]

Hi Oren,

> 
> Hi Julian,
> 
> Stacking lower value zeners should work ok.
> A reverse-biased bipolar transistor BE junction will also 
> work as a zener of about 6 volts or so.

OK ... I'll give it a try.

> 
> Your misbehaving zener might be good candidate for a noise source :)

Now there's an idea for when I run out of Z5Js!

Julian
> 
> Oren
> 
> -----Original Message-----
> From: Julian Bunn <Julian.Bunn at caltech.edu>
> Sent: May 6, 2004 11:59 AM
> To: 'Synth DIY List' <synth-diy at dropmix.xs4all.nl>
> Cc: julian at cacr.caltech.edu
> Subject: [sdiy] Zeners!
> 
> 
> The Minisonic2 envelope shapers use 5.1V Zeners. I found last 
> night that one
> of the Zeners I have used is misbehaving, and I don't have a 
> replacement.
> 
> My question for the electronics guys on the list is: if I 
> find two lower
> voltage Zeners in my parts box that add to 5.1V can I use 
> them in series
> to fake a 5.1V Zener?
> 
> For the interested, the circuit of the Envelope Shaper is at:
> 
> http://pcbunn.cacr.caltech.edu/jjb/Synthesizers/Minisonic2/Min
> isonic2_Figures/Fig8.gif
> 
> 
> Thanks!
> Julian
> 
> 
> 
> 
> 
> 
>