[Coco] cga to vga converter

[Alan Jones]

Has anyone tried one of these with a CoCo 3?

http://www.ebay.com/itm/CGA-EGA-YUV-TO-VGA-arcade-video-converter-US-Seller-
/221195287847?pt=LH_DefaultDomain_0
<http://www.ebay.com/itm/CGA-EGA-YUV-TO-VGA-arcade-video-converter-US-Seller
-/221195287847?pt=LH_DefaultDomain_0&hash=item3380443d27>
&hash=item3380443d27

 

Can someone point me to converter that works or a schematic for one?

 

Alan

N8WQ