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EEVblog

EEVblog #556 – Mailbag

Mailbag Monday https://www.youtube.com/user/mikeselectricstuff http://www.hioki.com/discon/pdf/multi/3207_08.pdf http://tindie.com/stores/Pieco http://tindie.com/UnaClocker http://www.tokyoflash.com/en/watches/kisai/upload/ Podcast: Download

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EEVblog #555 – 555 Timer Kit

Dave celebrates the classic 555 timer IC by building the Evil Mad Scientist “three fives” discrete timer kit. Some scope measurements and an explanation of the internal 555 timer circuitry follow. Video Highlights: Construction Testing Circuit Description Waveforms Classic old Signetics 555 timer datasheet The kit Han’s Book on Analog …

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EEVblog #554 – Sinclair FTV1 TV80 Flat Screen Pocket TV Teardown

Dave tears down a vintage 1984 Sinclair FTV1 / TV80 pocket TV and explains how the innovative 3 deflection system flat screen CRT works. Service Manual with schematics and theory of operation: http://eevblog.com/files/Sinclair_FTV1.zip Flickr Photos: http://www.flickr.com/photos/eevblog/sets/72157638306245666/ Info page: http://www.thevalvepage.com/tv/sinclair/ftv1/ftv1.htm Guy who worked on the CRT: https://www.youtube.com/watch?v=VB7RgVqTgXI Forum: http://www.eevblog.com/forum/blog/eevblog-554-sinclair-ftv1-tv80-flat-screen-pocket-tv-teardown/ Podcast: Download

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