Category Archives: Miscellaneous

EEVblog #1038 – Uni-T UPO2104CS Oscilloscope Teardown

What’s inside the 4CH 100/200MHz entry level Uni-T UPO2104CS oscilloscope?

Forum: http://www.eevblog.com/forum/blog/eevblog-1038-uni-t-upo2104cs-oscilloscope-teardown/

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EEVblog #1037 – Solving Ceramic Capacitor Cracking

Dave demonstrates various practical PCB and component selection solutions and techniques to prevent flex stress cracking of Multi Layer Ceramic Capacitors (MLCC) on PCB’s and preventing your product from catching on fire!
Open Mode capacitors.
Flexible Endcap Soft Termination Capacitors
Lead Frame Capacitors
Series Capacitors

TDK Solutions for Ceramic Capacitor Cracking
https://product.tdk.com/info/en/products/capacitor/ceramic/mlcc/technote/solution/mlcc02/index.html#anc01

Soft Termination:
<a Continue reading EEVblog #1037 – Solving Ceramic Capacitor Cracking

EEVblog #1036 – PSU Fire PCB Repair

PCB Repair of the RD Tech DPS5020 Power supply module after the flaming capacitor failure.
Previous video:
https://www.youtube.com/watch?v=Q2rvAoO-MIA

Forum: http://www.eevblog.com/forum/blog/eevblog-1036-psu-fire-pcb-repair/

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The 2nd EEVblog Channel: http://www.youtube.com/EEVblog2

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EEVblog #1035 – Flaming DIY Power Supply!

Smoke in the EEVblog Lab!
What component failed and caught alight in the RD Tech DPS5020 Power Supply Module?
This was supposed to be a build video and review until it caught on fire!

Follow-up repair video: https://www.youtube.com/watch?v=VwdnGbI5ls8

https://www.aliexpress.com/store/product/RD-DP-and-DPS-Power-Supply-communiaction-housing-Constant-Voltage-current-casing-digital-control-buck-converter/923042_1000004752402.html

https://www.aliexpress.com/store/product/RD-DPS5015-Constant-Voltage-current-Step-down-Programmable-digital-Power-Supply-buck-Voltage-converter-color-LCD/923042_32702714880.html

Forum: http://www.eevblog.com/forum/blog/eevblog-1035-flaming-diy-power-supply/

EEVblog Main Web Continue reading EEVblog #1035 – Flaming DIY Power Supply!

EEVblog #1034 – Mailbag

Mailbag is back!
Forum: http://www.eevblog.com/forum/blog/eevblog-1034-mailbag/

SPOILERS:
Beginner schematic and PCB layout analysis.
Can Dave guess the mystery PCB’s function?
Arduino Inventors Guide Book
https://www.nostarch.com/arduinoinventor
Radiosonde car tracking:
http://rfhead.net/?p=647
Psion II PDA
BK Precision Binding Post Adaptor
The Choculator
MPEG4 USB TV/DAB dongle teardown
Forrest Mimms Circuit Classics
https://www.crowdsupply.com/star-simpson/circuit-classics
Amp Hour Interview: <a href="https://theamphour.com/171-an-interview-with-forrest-mims-snell-solisequious-scientist/" Continue reading EEVblog #1034 – Mailbag

eevBLAB #39 – Youtube Alternatives

Dave shows all the alternative platforms to Youtube that you can watch and follow the EEVblog on.
And NO Dave isn’t quitting Youtube!
And an update on the Adpocalypse and advertising revenue
https://vimeo.com/eevblog
https://vid.me/eevblog
https://lbry.io/news/eevblog
https://steemit.com
https://www.bitchute.com/eevblog/
http://www.dailymotion.com/eevblog

VidMe or Why Continue reading eevBLAB #39 – Youtube Alternatives

EEVblog #1033 – Sony WatchCam Pocket Flat CRT Monitor Teardown

Teardown of a 1989 Sony Watchcam Pocket Flat CRT video display monitor.
This ones uses electromagnetic deflection technology.
Compare it to the Sinclair FTV1 electrostatic deflection system:
https://www.youtube.com/watch?v=qCJPF6Ei3Vw

New intro and outro animation by Al Armandi
https://www.erwinscat.com/

Forum: http://www.eevblog.com/forum/blog/eevblog-1032-sony-pocket-flat-crt-monitor-teardown/

EEVblog Main Web Site: http://www.eevblog.com
The 2nd Continue reading EEVblog #1033 – Sony WatchCam Pocket Flat CRT Monitor Teardown

eevBLAB #38 – Digikey & The US Government Watchlist!

Digikey are checking orders against the US Denied Persons list and holding orders until you can prove your generic name is not that person on the list.
Also, Element14 doing a similar thing.
https://www.eevblog.com/2014/02/24/element-14-holding-orders-based-on-us-government-watch-list/

Forum: http://www.eevblog.com/forum/eevblab/eevblab-38-digikey-the-us-government-watchlist!/

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EEVblog #1032 Part 5 – John Kenny Keysight Interview

Interview with John Kenny from Keysight
Final part 5 of 5

This one covers the design of the 34460 multimeter, dc-dc converter design, cost targets, isolation, 34410a sales, contract manufacturers, production lines, chip packages, the 34460a 1000V spec mistake, IEC61010 Rev3 new challenges in product design, safety hazards and standards, floating design, Continue reading EEVblog #1032 Part 5 – John Kenny Keysight Interview

EEVblog #1032 Part 4 – John Kenny Keysight Interview

Interview with John Kenny from Keysight
Part 4 of 5, released daily, stay tuned!
Patrons and forum supporters will get all the videos early.

This one covers product counterfeiting, clone products,education market, downconversion vs direct RF sampling,disruptions in manufacturing, consumer electronics,led lighting,the future of test and measurement, the future of knobs, gesture control, Continue reading EEVblog #1032 Part 4 – John Kenny Keysight Interview