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#3
05-11-2019, 10:37 AM
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I looked at all my normal test patterns and test pictures, and a couple of whole
(and colorful!) vacation slide shows (played on a Sony BluRay player). I also watched Adventures of Robin Hood and The Hobbit I and some live shows. Results are all near perfect, and better than a real CT-100 on its CRT because of perfect DC restoration. A schematic of the converter is attached. It looks and is trivial, but took quite a bit of work to get all the levels (both voltage and bias current) working right. It uses a 12-15 volt wall-wart. Its intended for 75 ohm loads. Note that I'm using 1 watt film resistors for the 1 meg ones. The capacitance of these matters a very lot ... thus, the trimmers. http://www.videokarma.org/attachment...1&d=1557588331 
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