Re: CBM900 to SVGA monitor

From: Michał Pleban <>
Date: Fri, 24 Oct 2014 17:14:19 +0200
Message-ID: <>

Michał Pleban wrote:

> However I need a way to properly convert TTL levels of 0V/5V to VGA
> levels of 0V/1V. I am afraid that a simple resistor voltage reducer
> would be too slow to work in the 64 MHz range. This is an area where I
> have no expertise so I would appreciate some suggestions.

Answering my own question: a simple resistor voltage divider at the
output of a 74S08 does the job perfectly, and creates a clear picture on
the LCD monitor :-)


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Received on 2014-10-24 16:00:03

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