EEVblog #541 – Mailbag

Mailbag time. CERN Large Hadron Collider Playstation 3 Yellow LED of Death LME49990 AD797 Some vintage calculators The first Teletype mailbag letter! Old Fluke Multimeter parts Micro robotic creatures Forum HERE Podcast: Download

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EEVblog #537 – Square Kilometre Array Phase Array Feed Prototype

Dave has a very quick look impromptu look at the Australian Square Kilometre Array (SKA) Phase Array Feed Prototype receiver Photos HERE Design of the Phase Array Feed: http://www.atnf.csiro.au/projects/mira/tech_session3_SH.pdf http://www.atnf.csiro.au/research/conferences/Parkes50th/RobertBraun.pdf NOTE: This is most definitely not up to my usual standard for content or quality, so don’t expect much, it …

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EEVblog #534 – Mailbag

Sydney Maker Faire Makers at Work BOOK An Engineer’s Guide to Solving Problems BOOK Energy Harvesting kit Jamco Skywriter kit LTC3588 Podcast: Download

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EEVblog #533 – LED Fluoro Tube Teardown

What’s inside a modern 18W LED Fluoro T8 replacement tube from German company Mueller Licht? LED tube design Safety Datasheets: www.nxp.com/documents/data_sheet/SSL2109T.pdf www.philipslumileds.com/uploads/409/DS205-pdf www.mueller-licht.de/ (too short to be this LED) www.lextar.com/promote/2013_GILE/PDF/Lextar_SMD_series-13.5.pdf Forum HERE Podcast: Download

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EEVblog #532 – Silicon Chip Wafer Fab Mailbag

A look at some equipment and wafers used in the manufacture of silicon chip wafers. 200mm and 300mm wafers, die, dice sawing, lead-frame manufacture, automated testing machine (ATE) probing, clean room bunnie suits, photo plots, BGA chip thermal test sockets, and the worlds smallest active FET probes at 100 nanometers …

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EEVblog Contest Announcement

Two brand new Fluke CNX-3000 “basic kit” are up for grabs, plus a (slightly used) Gossen Metrahit World multimeter, and a slightly reviewed ChronoVu LA-8 Kit Deluxe logic analyser. Enter the contest HERE NOTE: You must have 5 posts on the EEVblog forum to see this contest thread! Discuss HERE

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EEVblog #530 – Electrophoresis Power Supply Teardown

What’s inside an EC Apparatus brand constant voltage constant current power supply used for Electrophoresis – the separation of particles in a fluid by using an electric field. You can get these supplies quite cheaply on ebay if you look around. A quick reverse engineering of the circuit provides some …

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EEVblog #529 – HP 35660A DSA Upgrade Investigation

A teardown of the front end PCB in the HP 35660A Dynamic Signal Analyser. Dave does some preliminary investigation to see what opamps and FET’s are unsed in the analog front end to see if they can be upgraded for better performance. This is more for Dave’s record than interesting …

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