[sdiy] tiny oscilloscope from camcorder CRT viewfinder

anthony aankrom at bluemarble.net
Wed Oct 31 21:59:00 CET 2007


I have a tiny little B&W CRT-based viewfinder from an older, but not ancient 
8mm camcorder.

I thought it might be cool to put it as an oscilloscope which could fit in a 
regular synth-module sized enclosure.

I've read about old article making a scope out of a TV, but I don't think 
that'd apply here so much.

I thought maybe some circuits to process the signal and to drive the coils.

I can't tell if this thing takes NTSC composite video or if the small 
circuit board is just a raster-scanner or whatever it's called.

Anyone ever seen anything like this?


aa 





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