[sdiy] keeping signals seperate..avoiding noise

Simon Brouwer simon.oo.o at xs4all.nl
Sat Nov 15 23:56:32 CET 2008


Seb Francis schreef:
> Simon Brouwer wrote:
>> IMO in synthesizer modules the ground of a module should never be 
>> connected to its metal panel. The panel should be isolated from the 
>> module.
>
> Easier said than done though when using metal panels with metal 
> sockets...
Actually it's *very* easy. Just don't connect the outside conductor of 
the sockets, if they aren't isolated from the metal panel, to the ground 
of the module. Maybe this sounds counterintuitive, but the metal panel 
will already be grounded, through the mounting rails, to the star point. 
As there are no currents flowing through the panels, it will be as solid 
a ground as any you can find as a starting point for your cable shield.

-- 
Vriendelijke groet, 
Simon Brouwer. 

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