[sdiy] Blind Luck with Noise Generator?

Ian Fritz ijfritz at earthlink.net
Thu Aug 8 03:12:19 CEST 2002


Well, a couple of years ago I measured spectra from about 50 of those and 
only found one really good one and a couple of pretty good ones. I say keep 
trying anyway!  :)

   Ian

At 10:55 AM 8/7/2002, patchell wrote:
>     I can't believe the luck I just had.  I was working on my
>synthesizer
>
>http://www.silcom.com/~patchell/smb1/smb.html
>
>     Spent the morning Tuning the VCO's.  When I completed that, I
>decided to get the noise source working.  Literally picked a 2n3904, at
>random, selected a bias resistor, again, more or less at random...gain
>values for the amplifier more or less at random...hooked it up (well,
>soldered them into the board), and bingo...what sounds like nice clean
>white noise (clean noise...?).  Maybe I better go out and buy a lottery
>ticket.  Never had a noise source that worked right off the bat before.
>
>--
>  -Jim
>------------------------------------------------
>* Visit:http://www.silcom.com/~patchell/
>*-----------------------------------------------
>*I'm sure glad Merry Christmas comes just once a year
>* -Yogi Yorgensen
>------------------------------------------------




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