It's all fun and games until an innocent opamp gets hurt!
Dave proves he's not the sharpest tool in the shed by killing an opamp in his µCurrent calibration test jig, whilst checking the calibration of course.
Doh.
Forum: http://www.eevblog.com/forum/blog/eevblog-727-how-to-kill-an-opamp/
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Inside the Voltech PM300 3 Phase Power Analyser.
The Voltech power analyser division was sold to Tektronix in March 2013:
http://www.voltech.com/News/NEWS3.aspx
http://www.tek.com/voltech-pa-redirect
http://www.voltech.com/
Datasheets:
http://www.westek.com.au/wp-content/uploads/2012/08/PM100-PM300.pdf
http://www.analog.com/static/imported-files/data_sheets/AD7575.pdf
http://www.avagotech.com/docs/AV02-0940EN
http://www.ti.com/lit/ds/schs122j/schs122j.pdf
Hi res teardown photos: http://www.eevblog.com/2014/03/12/eevblog-589-voltech-pm300-power-analyser-teardown/
Forum: http://www.eevblog.com/forum/blog/eevblog-589-voltech-pm300-power-analyser-teardown/
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Dave & David2 replace the bad caps in the old LG 50PF3DF 50" plasma TV found in the dumpster here:
https://www.youtube.com/watch?v=FPK1_hy4KMU
Will it fix the problems?
Also an impromptu tutorial on how to replace bad/leaking/bulging capacitors, and measuring capacitor ESR in-circuit.
Plus bonus banter.
Teardown here:
https://www.youtube.com/watch?v=7OW5ga49QBg
PCB Sparkgaps:
https://www.youtube.com/watch?v=vfP_65gSSBU
Forum: http://www.eevblog.com/forum/blog/eevblog-763-dumpster-plasma-tv-bad-cap-repair/
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David explains PID controllers.
First part of a mini-series on control theory.
Forum: http://www.eevblog.com/forum/blog/eevacademy-6-pid-controllers-explained/
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Another Mailbag. Something super cute arrived today!, what is it?
Forum: http://www.eevblog.com/forum/blog/eevblog-756-mailbag/
SPOILERS:
Pleo baby animatronic dinosaur!
http://www.pleoworld.com/
5260 Cable simulator teardown
https://supportforums.adtran.com/docs/DOC-6121
Hewlett Packard service manuals
Tektronix PAL Vectorscope
Siemens motor inverters
Fluke One Touch Network Assistant Analyser teardown
EEVblog Main Web Site: http://www.eevblog.com
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See what's involved in packing and shipping the µRulers to Australian customers for the Pozzible crowd source funded campaign.
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http://eevblog.com/files/ExtechLP100release.pdf
Dave & Dr Phil look at how Extech's new TL100 Laser Test Probes work.
FYI: The electronics beanbag was custom made, with material from here:
http://www.spoonflower.com/fabric/382464
and made by this company in Western Australia:
http://www.beaufortstreetbeanbags.com.au/
Dave opens his mail.
http://pfranc.com/projects/e2Plug/Pledge.htm
http://www.poscope.com
The EEVblog Lab Temperature & Humidity in real-time:
http://cosm.com/feeds/78280
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