Narrow-Bandwidth Television Association

Forum for discussion of television and imaging using mechanical, radio, and early electronic systems.
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A 405 LINE TEST CARD SIGNAL GENERATOR

https://www.taswegian.com/NBTV/forum/viewtopic.php?f=8&t=3024

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A 405 LINE TEST CARD SIGNAL GENERATOR

PostPosted: Mon Mar 01, 2021 5:36 pm
by Harry Dalek
i at times stumble back on finding this page ,i understand more onit than i did but its an older design now but not overly complex
http://www.thevalvepage.com/projects/te ... stcard.htm
Heres a newer design
https://electronics.frankcuffe.ovh/picgen
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