[sdiy] 1s1715 specs?

[John L Marshall]

You might play with the biasing resistor to maximize the noise.

Take care,
John

----- Original Message -----
From: <ElmacacoX at aol.com>
To: <a0284520 at addcom.de>; <synth-diy at dropmix.xs4all.nl>
Sent: Sunday, May 05, 2002 5:00 PM
Subject: Re: [sdiy] 1s1715 specs?


> yeah, I suspected as much,
>
> I tried a 5.1v zener in the circuit and I got noise, but at a much lower
> volume than the osc's with the noise trimpot all the way up.
>
> I also tried a 6.2v zener which gave me noise but in bursts of about 1Hz
(it
> wasn;t the lfo modding the filter, I checked)
>
> I also used that 3904 as a diode trick, but that was even softer.
>
> I have some 9v zeners and some rectifier diodes (4001 and ilk) but I
haven't
> had the guts to plop them in yet.
>
> once I get some ionfo on the noise gain stages I'll probably just use a
stock
> zener and raise the gain.
>
> thanks for the advice ;)
>
> Ed
>
> so what gives?  have companies stopped making noisey zeners?
>