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From: Jan Panteltje <alien@comet.invalid>
Newsgroups: sci.electronics.design
Subject: Re: faster DDS clock
Date: Mon, 23 Sep 2024 07:42:03 GMT
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On a sunny day (Sun, 22 Sep 2024 19:10:37 -0700) it happened john larkin
<JL@gct.com> wrote in <qej1fj9tphl57fh8atqi8uqtc3aqev7c25@4ax.com>:

>On Sun, 22 Sep 2024 08:45:13 GMT, Jan Panteltje <alien@comet.invalid>
>wrote:
>
>>On a sunny day (Sat, 21 Sep 2024 18:37:26 -0700) it happened john larkin
>><JL@gct.com> wrote in <54tuejh1gdvq6i2tist29h0ikmmo55ks3u@4ax.com>:
>>
>>>On Sun, 22 Sep 2024 03:11:53 +0200, Lasse Langwadt <llc@fonz.dk>
>>>wrote:
>>>>used, go buy a server and it has VGA
>>>>
>>>
>>>Seems silly to take digital data, convert it to analog, ship it six
>>>feet, and convert it back to digital.
>>
>>Well the receiving site was analog amps that where outputing high voltage to CRT R,G,B grids
>>to control brightness for the red green and blue guns.
>>There are still many analog monitors around.
>>I still have a nice one in the attic, my personal particle accelerator.
>>Still used in places:
>>
>> https://www.electronicdesign.com/technologies/industrial/displays/article/55126442/thomas-electronics-the-evolution-of-cathode-ray-tube-crt-monitor-technology
>>History:
>> https://en.wikipedia.org/wiki/Cathode-ray_tube
>>
>
>I wonder how many people here are using a CRT monitor. Or know
>somebody who does.
>

Did not we ship all old stuff to third world countries as garbage?

Some CRT monitiors, like tha old color Samsung I still have, were very good and brighter than the LCD I now sit in front of.
And I still use my old Trio analog scope with a real green CRT!
Also for playing old analog video of course:
 https://panteltje.nl/panteltje/scope_tv/index.html
 after the WW3 nuking that will be great to know how to do,
 with tubes of course, when all semi-conductors will be conductors...
 
 
In a way I regret throwing away my old BW CRT portable TV...
I had added a video input and it could display 80x40 text no problem from my Z80 system.

Analog video is still in use here from some of my security cams...
but digitally recorded...