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Tube VCA Rev 1.1 PCB Jumper markings

Tube VCA Rev 1.1 PCB Jumper markings

2007-08-11 by vtl5c3

Hi Ken,

I noticed that my rev 1.1 pcbs have some jumper markings next to the tube, on the side
where the 330K resistor is. I can't quite tell how they should be populated. Could you
explain?

Romeo

Re: Tube VCA Rev 1.1 PCB Jumper markings

2007-08-11 by sasami@hotkey.net.au

Install the 330k in the position marked "330k" AND the jumper in the
position marked with a solid line,
OR
Install the 330k in the position with no value specified AND the jumper in
the position marked with a dashed line.

Pins 1 and 2 of the tube can be swapped by installing them in the two holes
next to the ones marked 1 and 2 (saves getting the wires crossed).

Ken
Show quoted textHide quoted text
>Hi Ken,
>
>I noticed that my rev 1.1 pcbs have some jumper markings next to the tube,
on the side
>where the 330K resistor is. I can't quite tell how they should be
populated. Could you
>explain?
>
>Romeo
>
>
>
>The CGS Modular Synth home page: http://www.cgs.synth.net/
>
>Yahoo! Groups Links
>
>
>
>
_______________________________________________________________________
Ken Stone sasami@...
Modular Synth PCBs for sale <http://www.cgs.synth.net/>
Australian Miniature Horses & Ponies <http://www.blaze.net.au/~sasami/>

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