Yahoo Groups archive

Cgs synth

Index last updated: 2026-04-28 23:16 UTC

Message

Re: Re : noise on power bus

2012-03-18 by sasami@hotkey.net.au

It's drawing too much current for the 10R resistor.
Try putting in two 10R in parallel. That will halve the resistance and
double the wattage.
I don't have a current figure for what it draws under usual circumstances,
so I don't know if it is drawing excessive current or not.
Ken


>Hi All ,
>
>I installed the 100uF 25V electros in place of the 10uF on one of my CGS48
Oscillators in the Best of CGS Panel #3.
>
>Removed the Beads and put in 10 Ohm resistors.
>
>(Did not do the 100n across pin 1 and 8 of LM311 yet).
>
>Plugged it in ; with the second CGS48 Oscillator unpowered , it worked but
cooked the 10 Ohm resistor on the Positive rail.
>
>Any ideas what has happened ?
>
>
>________________________________
> From: "sasami@..." <sasami@...>
>To: cgs_synth@yahoogroups.com
>Sent: Sunday, March 18, 2012 3:24 PM
>Subject: Re: [cgs_synth] Re : noise on power bus
>
>

>>How would i install the 10ohm resistors ?ÂÂ
>>Should they be somewhere between the PS and the input to the CGS Distro board
>Replace the beads on the individual circuit boards with resistors.
>
>>Just Pos and Neg ; or Ground too?
>
>Just pos and neg.
>
>>What higher value is suggested for the electros (your boards always use
10uF ,
>
>100uF.
>
>>Should only the VCO's electros be changed or every module ?
>
>The VCO is the best place to start. Only do the others if it is still a
problem.
>
>Ken
>__________________________________________________________
>Ken Stone sasami@... otherunicorn@...
>Modular Synth PCBs for sale <http://www.cgs.synth.net/>
>Australian Miniature Horses & Ponies <http://www.blaze.net.au/~sasami/>
>
>
>
>
>[Non-text portions of this message have been removed]
>
>
>
>------------------------------------
>
>The CGS Modular Synth home page: http://www.cgs.synth.net/
>Yahoo! Groups Links
>
>
>
>
_______________________________________________________________________
Ken Stone sasami@... otherunicorn@...
Modular Synth PCBs for sale <http://www.cgs.synth.net/>
Australian Miniature Horses & Ponies <http://www.blaze.net.au/~sasami/>

Attachments

Move to quarantaine

This moves the raw source file on disk only. The archive index is not changed automatically, so you still need to run a manual refresh afterward.