where to insert a noise signal?

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creekree
 
Posts: 100
Joined: Thu Nov 03, 2005 1:40 pm

where to insert a noise signal?

Post by creekree »

hi all,

i've built a simple white noise source that runs on 12v.
how do i inject the noise signal into the filter?

thanks!

creekree

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altitude
 
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Joined: Wed May 11, 2005 5:17 pm

Re: where to insert a noise signal?

Post by altitude »

Pin 5 of Q12 (R70/Q12 junction). You might want to watch your drive level on the input (10K pot in series?)

guest
 
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Joined: Fri Feb 17, 2006 5:35 am

Re: where to insert a noise signal?

Post by guest »

and be sure to use a capacitor too
the vco gets sent through c17 and r62
to set the levels right for q12
so you might want to do something similar

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creekree
 
Posts: 100
Joined: Thu Nov 03, 2005 1:40 pm

Re: where to insert a noise signal?

Post by creekree »

thanks guys!

i will look into it tomorrow.

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