What is the data of this Zener?
sscprick at horus.sara.nl
Fri Aug 2 09:39:36 CEST 1996
In message <199608012128.OAA00152 at redshirt.tholian.web> you write:
> >I'm building the moog ladder-filter found on hyperreal.com, and on
> >the scematic there is this little annoyance. It's a small zener
> >diode, but I dont know the voltage and wattage of this thing. The
> >type number is LM329.
> >Is there anybody out there who knows the stats for this?
> Go to http://www.natsemi.com/design/index.html and do a search on
> LM329. In case you can't, it's a fancy 6.9V reference with up to 15ma
> current handling. I think somebody here mentioned a while back that a
> 6.9V zener would work nearly as well, it's just that National
> Semiconductor was trying to encourage use of their more expensive
I'm the originator of that Moog VCF circuit, be sure to fetch the
latest schematic from my web page, th eone on hyperreal.com is outdated.
If you're interested there's also a PCB available.
LM329 is not a regular zener, it's a chip that behaves like a zener
and delivers a voltage that is not influenced by temperature changes.
You need it to set the temperature precisely, independent of ambient
air temperature. For a filter I'd recommend leaving out the heater,
I added it as a "plus".
rick at sara.nl http://www.sara.nl/Rick.Jansen
S&H's a module and s&h's looking good
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