2 Jun
2015
2 Jun
'15
8:46 a.m.
On Monday (06/01/2015 at 07:39PM -0700), Mark J. Blair wrote:
I ordered one too after seeing your pictures. It seems like the Amazon
price is not exactly deterministic-- I got mine for $11.90 yesterday
and the same link today shows it at $14.48. Perhaps these are commodity
priced, you know like corn :-)
I will try mine with various DEC terminals, Heathkit H19/H89 and several
other composite monochrome sources. Your 80 column display looked
really nice.
I had similar results with a GBS-82xx converter driving into a VGA LCD but
I would say the text is not as crisp there likely due to the additional
conversion back to analog VGA which your solution would eliminate.
Chris
--
Chris Elmquist N?JCF
On Jun 1, 2015, at 19:31, Chris Osborn
<fozztexx at fozztexx.com> wrote:
This one looks exactly like yours, but it?s even cheaper! I wonder if it?s the same?
http://www.amazon.com/dp/B009A6PJKQ
When you get it, we can compare pictures of their innards. Mine has a PCB with blue
soldermask. Most of the functionality appears to be in a single QFP, probably with a
central ground/heat slug based on the vias on the bottom side of the board. The top of the
chip appears to have been sanded to remove the markings.