EEVblog No Script, No Fear, All Opinion

Teardown of the new NGA100 100V 2A NGA142/NGA102 Lab Power Supply, and a look at a few issues found. PLUS a GIVEAWAY of two units! https://www.rohde-schwarz.com/hk/products/test-and-measurement/dc-power-supplies/rs-nga100-power-supply-series_63493-959872.html Forum: https://www.eevblog.com/forum/blog/eevblog-1402-rohde-schwarz-nga100-psu-teardown-giveaway/ Forum GIVEAWAY: https://www.eevblog.com/forum/contests/giveaway-rohde-schwarz-nga102-psu/ Schools/Makerspace GIVEAWAY: https://www.eevblog.com/forum/contests/schools-makerspace-giveaway-rohde-schwarz-nga142-psu/ Podcast: Download

Dave closes out the basic DC circuit series with DC Power, Efficiency, & Maximum Power Transfer Theory tutorial. Includes Ohm’s law refresher. DC Fundamentals Forum: https://www.eevblog.com/forum/blog/eevblog-1401-dc-power-efficiency-maximum-power-transfer-theory/ Playlist: https://www.youtube.com/playlist?list=PLvOlSehNtuHtVLq2MDPIz82BWMIZcuwhK Podcast: Download

Dave takes a closer look the micro actuator used in the 6TB Western Digital RED hard drive. Forum: https://www.eevblog.com/forum/blog/eevblog-1400-hard-drive-micro-actuators-are-amazing!/

Fundamentals video. Voltage dividers, series and parallel resistors, current dividers, a revisit of Norton and Thevenin’s theorems, rules of thumbs, and a trap for young players experiment on circuit loading. 00:00 – Intoduction to voltage dividers 01:33 – Uses of voltage dividers 04:27 – Rules of thumb 06:55 – Calculations …

Dave’s Western Digital RED 6TB WD60EFRX NAS hard drive failed. Bugger the warranty, teardown time! Also, SMR vs CMR recording. Forum: https://www.eevblog.com/forum/blog/eevblog-1398-western-digital-red-6tb-hard-drive-teardown/ Podcast: Download

Electronics fundamentals video. Basic DC Voltage and Currenct Source theory. Thevenin and Norton Theorms. And compliance voltage demonstration on current sources. Forum: https://www.eevblog.com/forum/blog/eevblog-1397-dc-voltage-current-source-theory/

Teardown of the BlackMagic ATEM Mini Extreme ISO video production switcher. Odysee exclusive: https://odysee.com/@eevblog:7/2021-02-24-Atem-Mini-Pro-Iso-Teardown:f Forum: https://www.eevblog.com/forum/blog/eevblog-1396-blackmagic-atem-mini-extreme-iso-teardown/

Repair success on the Onkyo TX-SR607 surround sound receiver. Forum: https://www.eevblog.com/forum/blog/eevblog-1395-onkyo-repair-success/ Podcast: Download

An interesting dive down the repair rabbit hole on an Onkyo TX-SR607 surround sound receiver amplifier with a failed vacuum fluorescent display. Forum: https://www.eevblog.com/forum/blog/eevblog-1394-onkyo-receiver-repair-part-1/ Podcast: Download

Dave takes a look at his favourite form factor multimeter of all time, the Fluke 37 from 1985 Forum: https://www.eevblog.com/forum/blog/eevblog-1393-retro-fluke-37-multimeter-review-teardown/ Podcast: Download

Think your multimeter doesn’t have inbuilt temperature measurement? Think again! Dave shows you a trick to measure ambient temperature with your multimeter without a temperature probe. Forum: https://www.eevblog.com/forum/blog/eevblog-1392-no-temp-probe-no-problem!/ Followup video testing in the fridge: https://www.youtube.com/watch?v=48J0m3dvpgA Podcast: Download

More mailbag! Forum: https://www.eevblog.com/forum/blog/eevblog-1391-mailbag/ https://odysee.com/@eevblog:7/TooSpicyForYoutube:4 SPOILERS: 00:00 – Panasonic S-VHS DP200 camcorder 08:23 – Home lab: Andrew Tayman 12:25 – Casio G-SHOCK Mudmaster watch teardown 24:44 – Modul Bus LCR substitution box and RT100 valve prototyping breadboard KainkaLabs Youtube channel 32:16 – eDesign Miniware MHP30 Mini BGA pre-heater 40:16 – …

Dave explains a common inherent measurement problem in the solar industry with having two seperate solar power systems and monitors on the one house. Why is Dave’s household consumption going NEGATIVE on both his older Solar Analystics system and new Enphase Envoy system? And why does the consumtion follow the …

A government in Barecelona Spain has paid 30,000 euro for a 9kW solar pavement from Platio. This perennial favorite topic never ceases to provide debunking entertainment! Forum: https://www.eevblog.com/forum/blog/eevblog-1389-spanish-solar-pavement-stupidity/ Podcast: Download

Dave fixed this Hitachi dumpster diving 4K TV so well that he broke it! Forum: https://www.eevblog.com/forum/blog/eevblog-1388-dumpster-diving-tv-murphys-repair/ Podcast: Download