What’s inside a modern car airbag controller? This is is from TRW and comes from a late model Hyundai. Datasheets: http://www.chemi-con.com/components/com_lcatalog/uploaded/4/7/6/19868903214d9b16734611d.pdf http://www.ihs.com/news/renesas-h8sx1725f-vehicle.htm http://www.epcos.com/inf/30/db/ind_2008/b82793c0_s0.pdf http://www.datasheetarchive.com/dl/Datasheets-SW2/DSASW0023111.pdf http://www.freescale.com/files/sensors/doc/data_sheet/MMA68xx.pdf http://cache.freescale.com/files/sensors/doc/data_sheet/MMA685x.pdf http://www.st.com/st-web-ui/static/active/en/resource/technical/document/datasheet/CD00103810.pdf Podcast: Download
Read More »EEVblog #516 – LTSPICE Tutorial – DC Operating Point Analysis
Part 1 in a series of LTSPICE tutorial videos. In this introduction Dave explains what LTSPICE is and how to do the simplest of the SPICE analysis options – basic DC operating point analysis. Also how to draw basic schematics, display voltages and current on your schematic, and a beginner …
Read More »Electronex 2013 Announcement
www.electronex.com.au The biggest electronics show in Australia is on Sept 11th and 12th in Melbourne. Dave will be there.
Read More »2013 Australian Federal Election Rant
Dave rants about the 2013 Australian federal election this weekend, September 7th. It’s all about the National Broadband Network, how bat shit crazy Tony Abbot’s policies are, how the Senate might be the only hope for the future of the country, and how Wikileaks will throw a spanner in the …
Read More »EEVblog #515 – Battery Ionic Resistance Investigation
Dave investigates the ionic electro-chemical resistance of some Alkaline batteries under light multimeter input loading and an unusual physical battery phenomena, and explains how it differs drastically from the datasheet internal resistance value. He also finds a surprising result showing two types of Alkaline battery construction with different properties. It …
Read More »EEVblog #514 – $5 Mobile Phone Teardown – LG800G
What’s inside a modern bare bones $5 mobile phone? The LG800G available from Tracphone for $5: Datasheets: http://www.infineon.com/dgdl/X-GOLD_213-pb.pdf?folderId=db3a304312fcb1bc0113000c158f0004&fileId=db3a30431ddc9372011e1fc7f7fd413d http://www.rfmd.com/CS/Documents/7161DS.pdf http://en.wikipedia.org/wiki/High-electron-mobility_transistor http://www.broadcom.com/products/Bluetooth/Bluetooth-RF-Silicon-and-Software-Solutions/BCM2070 Forum HERE Podcast: Download
Read More »EEVblog #513 – Mailbag
Mailbag galore. Dave screws up and releases the magic smoke on the best mailbag item ever. Turns a light bulb on with his mobile phone, and goes underwater in a submarine. And a cameo appearance by everyone’s favorite. http://shackspace.de/ http://lightdream.com.au/ http://www.avbotz.com/ http://jmedved.com/usbamps Podcast: Download
Read More »EEVblog #512 – Rigol DP832 Bad Design Investigation
Dave started out wanting to investigate the power-on spike on the Rigol DP832 Lab Power Supply, but ended up hunting down a reset bug that uncovered a bad thermal design mistake in the supply. Watch Dave hunt it down step by step, and almost get duped by some marginal oscilloscope …
Read More »The draw for the Hameg analog/digital oscilloscope.
Read More »EEVblog #511 – Rigol DP832 Power Supply Teardown
What’s inside the Rigol DP832 precision lab power supply. Is it identical to the DP832A Photos HERE Forum HERE Podcast: Download
Read More »EEVblog #510 – Mailbag
Mailbag is back. With bonus soldering and breadboard action, and Whia vs Swisstools shootout! The Postcards: https://www.youtube.com/watch?v=NjnZeFE_3Cs http://www.azoteq.com/ Capacitive touch sense IC’s http://gerrysweeney.com/ Podcast: Download
Read More »µRuler Goes Gangbusters
I’ve been told it’s official, the µRuler campaign is the most supported in Pozible history! It has almost cracked 1000% funded with over 1700 supporters! Thanks guys, this is both awesome and frightening. Only a day or so left to get one if you want it:
Read More »EEVblog #509 – Rigol DP832 Lab Power Supply
Dave gives his initial impression on the Rigol DP832 triple output 195W lab power supply. Forum HERE Podcast: Download
Read More »EEVblog µRuler now available
Due to many requests I’ve finally made the µRuler available through a crowd funded campaign on Pozible: www.pozible.com/project/31806 So if you want a few of them, get in quick before the campaign ends. If it makes the target, the rulers get made, otherwise, they don’t.
Read More »EEVblog #508 – Can You Test Battery Charge By Dropping It?
Can you determine the charge of an alkaline battery by simply dropping it and see how high it bounces? A followup to the KipKay video It seems KipKay’s video is just a ripoff of this earlier ONE Podcast: Download
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