Ancient CRT monitor hits astonishing 700Hz — resolution reduced to just 120p to reach extraordinary refresh rate
Ancient CRT monitor hits astonishing 700Hz — resolution reduced to just 120p to reach extraordinary refresh rate
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Ancient CRT monitor hits astonishing 700Hz — resolution reduced to just 120p to reach extraordinary refresh rate
cross-posted from: https://lemmy.ml/post/18305395
It makes sense you'd be able to get a much higher refresh rate on a tube if you reduce the resolution, since you would be reducing the beam's travel.
Changing the resolution on a CRT normally doesn’t make the picture smaller. There is no native resolution, phosphors are not pixels. My Viewsonic would display 640x480 or 1600x1200 on the whole 21” regardless. You can also watch the video, it’s not using a smaller area.
I believe the limitation is bandwidth, not the electron beam.
There is a limit on the spacing of the colour bands though. If you want colours then you have to hit the spots where the correct phosphors are and this limits the usable resolution.
Yeah I didn't think it would make the "pixels" smaller, but the beam would need to pulse less often and therefore could travel more. Maybe I'm misunderstanding what they did.