Modifying a B&W TV for composite video input

From: Fred Cisin <cisin_at_xenosoft.com>
Date: Tue Jul 1 14:38:00 2003

> > > I would think the easiest and cheapest way is to use a plain old RF
> > > modulator box that will put composite video on to channel 3 or 4. I've

On Tue, 1 Jul 2003, Feldman, Robert wrote:
> Alltronics (http://www.alltronics.com/computer_miscellaneous.htm) has a video-composite adaptor for $5:
> <quote>
> TTL TO COMPOSITE VIDEO ADAPTER
> Requires +12V (or +5V) and video, vertical drive, horizontal drive signals. Produces RS-170 type composite video output. Fully assembled with 74125 sync regenerator, 3 terminal regulator, 2N2222 transistor. Only 2" square.
> 92C024 $4.95 each
> </quote>
> It looks like the adaptor I used to have for my Osborne 1.

Although that might certainly be very handy for some things, just how do
you expect conversion of TTL to composite to help with trying to get
composite into a TV that currently only has RF input?
Received on Tue Jul 01 2003 - 14:38:00 BST

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