EEVblog

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 …