[sdiy] Re: prob with noise circuit?

[Pete]

I figured out that the socket at the wall was not grounded. So I grounded it 
at the fuse box and now the hum is gone! Ok making progress.

pete


On 5/30/05, Pete <23isgood at gmail.com> wrote:
> 
> Hey everybody. I have been trying to get this circuit to work but I simply 
> don't understand why I get no sound out of it. This is out of Thomas Henry's 
> "Noise Generator Cookbook" In the book he mentions to use a, 2n2712 for the 
> transistor or a 2n3904. I am using a 2n3904. I built this basic circuit on a 
> breadboard, and im using a 1/4" jack for the output, and a 15v power supply. 
> Do I have to apply power to the pins of the 741? It does not specify to do 
> so. I attached a pic of the circuit. Im pretty much a beginner on this stuff 
> and trying to teach myself. I have rebuilt this thing a few times double 
> checking everything. According to the book there should be a good amount of 
> noise coming out of this thing. Is there something that I am not aware of 
> that im overlooking?
> 
> Thanks
> pete
> -- 
> listen to my latest tunes,
> 
> http://www.cubanpetemusic.com/p23%20Litmus.mp3
> 
> www.cubanpetemusic.com <http://www.cubanpetemusic.com> 
> 



-- 
listen to my latest tunes,

http://www.cubanpetemusic.com/p23%20Litmus.mp3

www.cubanpetemusic.com <http://www.cubanpetemusic.com>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://synth-diy.org/pipermail/synth-diy/attachments/20050530/4a019227/attachment.htm>