Re: 9VAC from 5VDC?

From: silverdr_at_wfmh.org.pl
Date: Fri, 13 Sep 2013 22:39:13 +0200
Message-Id: <F9387B77-881B-4392-B69D-01C09852C66D@wfmh.org.pl>
On 2013-09-13, at 21:57, Gerrit Heitsch wrote:

>>> Does anyone have ideas (or could point to a person or company) that might have a way to safely synthesize an isolated 9VAC for the machines from 5VDC?
>> 
>> Yes, that's one of the things, I'd like to see solved for good as well. I was approaching it from different angles. Even "invented" PWM based sine-wave generation once before sleep ;-) The problem always was that in the end one needs a transformer, which is what I always wanted to avoid in the first place..
> 
> You can't. There is no way around a transformer in this case.
> 
> The only other way is a serious redesign of the C64 power supply (the part on the C64 board).

That was my conclusion as well. Actually AFAIR I ended up having virtually everything covered, except the USER PORT supply pins of course. Unfortunately this was not feasible as a generic solution.

-- 
SD!
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Received on 2013-09-13 21:00:04

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