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Old 02-08-2026, 06:43 PM
TinCanAlley's Avatar
TinCanAlley TinCanAlley is offline
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Join Date: Sep 2008
Location: So Cal, CA
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I know it's been a while since I've had the scope out, but I tried using it with the color bar generator to check the wave forms for R G and B, but what I get looks nothing like the ones in the SM. I set it for 10V/Div, 20us (even tried 10us), DC then AC coupling, calibrated 10x probe and used the external trigger from the generator (even tried without). I found the generator creates all the necessary bars for the keyed rainbow by pressing a button that gets rid of all the other parts at the bottom and leaves only full bars top to bottom.

The forms I get are stable, so I am locked in, but like I wrote above, the waveforms aren't even close to what the SM shows. I guess the handheld digital scope I tried was working as they looked the same.

I'm not chasing perfection, but I want to be as close as I can with old technology. I want to button it up knowing I've done all I can and it's as close to perfect as it can get.
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Last edited by TinCanAlley; 02-09-2026 at 11:45 AM.
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