EEVblog No Script, No Fear, All Opinion

Collaboration with CPU Galaxy! The $250,000 IBM ceramic hybrid TCM processor module is X-RAYED! BONUS x-ray of a classic DIP chip! Technical PDF: https://eevblog.com/files/ibm-system390-air-cooled-alumina-thermal-conduction-module.pdf Forum: https://www.eevblog.com/forum/blog/eevblog-1358-$250-000-ibm-processor-x-rayed/ Podcast: Download

Dumpster Santa delivered a nice Coolermaster Mini-ITX with Gigabyte GS-H97N motherboard and an Intel Core i5 inside. Forum: https://www.eevblog.com/forum/blog/eevblog-1357-dumpster-diving-santa-pc/ Podcast: Download

If you thought Solar Rowadways was done and dusted in 2020, you were WRONG! French road company Colas Wattway have found a new sucker to try their already epically failed Wattway solar panels, this time in Georgia in the United States as part of a government funded initiative through Curiosity …

Teradown of the new $399 Siglent SDS_1104X-U Four Channel oscilloscope. A cheaper alternative to the SDS1104X-E And what’s all this magnetic shielding stuff anyhow? Forum: https://www.eevblog.com/forum/blog/eevblog-1355-new-siglent-sds1104x-u-$399-4ch-oscilloscope-teardown/ Podcast: Download

Dave breaths life into the old Compaq Portable from 1984. Forum: https://www.eevblog.com/forum/blog/eevblog-1354-compaq-portable-repair-part-1/ Podcast: Download

Eagle eyed viewers spotted a short between two pins on a TQFP chip in the previous teardown video. This isn’t a dodgy assembly issue, it’s a deliberate design short, Dave explains how and why. Solder masks and snap grids. Forum: https://www.eevblog.com/forum/blog/eevblog-1353-why-are-these-pins-shorted/ Podcast: Download

Teardown of a Made in Australia MicroAir T2000 aircraft transponder. http://microair.com.au/products/26/T2000SFL-Transponder-Rev8- Forum: https://www.eevblog.com/forum/blog/eevblog-1352-aircraft-transponder-teardown!/ Podcast: Download

Mailbag time! Forum: https://www.eevblog.com/forum/blog/eevblog-1351-mailbag/ Mailbag bench images to: eevblog+mailbag@gmail.com SPOILERS: 00:00 – GPS Tracker Battery Leak 06:47 – Guest RF Lab – Chuck Kummer W7CLK 09:46 – Marklin HO scale railway turnout point 19:29 – GVDA GD118B Pocket Multimeter review https://s.click.aliexpress.com/e/_Ab3RNe 39:10 – GVDA GD116A AC Voltage Detection Stick review …

Were the Made in USA Energizer Max Plus AAA batteries in the previous leaking battery video FAKE? Dave found an identical genuine one and inspects and tears them down. Forum: https://www.eevblog.com/forum/blog/eevblog-1350-fake-energizer-batteries/msg3340976/#msg3340976 Podcast: Download

Dave caught a rare sight, an alkaline battery leakage in the potassium hydroxide liquid form before it had time to crystalise. This time in a Made in USA Energizer Max Plus AAA alkaline battery. Forum: https://www.eevblog.com/forum/blog/eevblog-1349-energizer-battery-leakage-made-in-usa/ Podcast: Download

A look at and teardown of the world’s first IBM PC compatible PC, the Compaq Portable. Also some meter and oscilloscope part 1 repair action… Forum: https://www.eevblog.com/forum/blog/eevblog-1348-worlds-first-ibm-compatible-pc-the-compaq-portable/ Podcast: Download

New SMD Thermal Jumper parts could radically change your PCB thermal designs! https://www.vishay.com/docs/60157/thjp.pdf https://atceramics.com/userFiles/uploads/pdfs/Q-BRIDGE.pdf Forum: https://www.eevblog.com/forum/blog/eevblog-1347-smd-thermal-jumpers-could-be-game-changing!/ This is a follow-on from the original SMD Thermal Design video: https://www.youtube.com/watch?v=2ygnAv6koSQ Podcast: Download

Dave tears down and investigates a Dell infrared IR optical touch screen monitor found in the dumpster. Infrared touch screen are not often used in consumer computer monitor applications compared to resistive and capacitive touch screen technologies. Forum: https://www.eevblog.com/forum/blog/eevblog-1346-how-an-infrared-optical-touch-screen-works/ Podcast: Download

Dave fixes a thermal issue with his old video editing laptop, a HP Pavilion dv7 Forum: https://www.eevblog.com/forum/blog/eevblog-1345-hp-dv7-laptop-repair/ Podcast: Download

Custom storage shelves for under the bench in the new lab. Using an online flat pack custom shelving and storage ordering system, and assembly. Forum: https://www.eevblog.com/forum/blog/eevblog-1344-custom-lab-storage-shelves/ Podcast: Download