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#1
09-21-2025, 10:51 PM
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I'm curious what you're attempting. Waay back in the day during some slack time in the shop, I was goofing around with the scope. Put horz and vert (X and Y) sawtooths from a working TV on the scope to form a raster, and luma in thru the Z input on the back of the scope, which displayed the live video from the TV. The Boss came in and looked at it, and wasn't particularly amused.
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#2
09-22-2025, 06:14 AM
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You mean to vectorize the image? https://oscilloclock.com/archives/tag/vga
Even with one of the creators of vector clocks (in this mode it works with vector), I think he used rasterized mode for graphics
__________________
So many projects, so little time...
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#3
09-22-2025, 05:39 PM
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Yeah, but the scope was displaying actual off the air programming. And the pic didn't fill the whole screen, just a square about 2X2 inches.
Last edited by old_coot88; 09-22-2025 at 05:45 PM.
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#4
09-22-2025, 08:30 PM
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Quote:
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Ham shack...AM side: Knight-Kit T-60, RME-45 Vintage SSB side: National 200 Modern SSB: Kenwood TS-180S MFJ tuner, 130' dipole
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#5
09-22-2025, 09:44 PM
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Turned out he didn't realize the scope had Z input on the back.
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#6
09-22-2025, 11:03 PM
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I'm looking for devices ready to plug and play to make an Oscilloscope display for video. Everyone's input is appreciated some great pics of what some have done.
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#7
09-22-2025, 11:47 PM
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Quote:
how to do it is tricky but it has been done before. how to do it is here.. https://www.electronixandmore.com/pr...ope/index.html
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=^-^= Yasashii yoru ni hitori utau uta. Asu wa kimi to utaou. Yume no tsubasa ni notte. いとおしい人のために
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#8
09-24-2025, 08:12 AM
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W2AEW did a YouTube video about a simple circuit you can build (using an LM1811 sync separator chip) to view composite video on an oscilloscope:
https://www.youtube.com/watch?v=5FYF5uhCzAM
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