Re: 6569 luminances

From: Gerrit Heitsch <>
Date: Sun, 08 Jul 2012 15:19:35 +0200
Message-ID: <>
On 07/08/2012 02:40 PM, wrote:
> I laid out something like here:
> trying to keep the signal paths (traces) short. It is not yet meant to be placed in the metal housing of the modulator but if that works well I may take some efforts to make a replacement board that goes inside the metal case. The "upper" part is an audio amp for the SIDs.
> Any comments / striking errors in this? What should I put more attention to?

I see you use pad 1 in this layout. At least on the 250466-Board this is 
the power supply for the modulator, but it's not +5V but unregulated +9V 
(usually a bit more). Same goes for a 250407 board. So you either need 
to add a 78(L)05 or grab the +5V from somewhere else.


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Received on 2012-07-08 14:00:19

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