[sdiy] single 9 volt battery white noise source

[aerogramma]

great!

it's actually a very good idea to add another stage of gain, i'll do it

i've filtered it too but it i used a variable filter based ona  LM741  
(9v too)

how will go go pink :) ?

cheers!

aero

On Jul 18, 2009, at 5:13 AM, Dave Leith wrote:

> Hey it works great! I added one more stage of gain - same values as
> 2nd transistor plus  a 2.2 M resistor to +.  Lot's of output- sounds
> good. I maybe will filter it more towards pink.
>
> On 7/17/09, aerogramma <aerogramma at gmail.com> wrote:
>>  Hi dave,
>>
>> i'm on a 9v trip too..
>>
>> I've just built this noise source and it works like a charm
>>
>>
>> http://aeeprojects.blogspot.com/
>>
>> has to be said that i've noticed a lot of fluctuation in the  
>> quality of the
>> white nosie generated, depending on the battery real charge   
>> (8.5v, 7v, 9v
>> etc)
>>
>>
>> if you build it let me know how it works for you :)
>>
>> best
>>
>>
>> aero
>>
>>
>>
>> On Jul 16, 2009, at 5:36 AM, Dave Leith wrote:
>>
>> Does anyone have any recommendations of a schematic for a white noise
>> source that will run off a single 9 volt battery?
>>
>> Thanks dave
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