EEVblog

Interview with John Kenny from Keysight Part 1 of several more to come, released daily, stay tuned! Patrons and forum supports will get all the videos early. This one covers the history earlier days of HP, Bill & Dave and their philosophy, early recruitment, the design centres, cash cows, HP-Agilent-Keysight …

Characterising the performance and efficiency of the $25 DPS3003 30V 3A lab power supply module from RDtech. Includes a how-to on measuring DC-DC converter efficiency graphs, with module power loss on the secondary Y axis. XL7005 datasheet Forum HERE Podcast: Download

Dave takes a quick look at the spectacularly cheap $20 DPS series CC/CV modules from RD Tech. How to make a 30V 3A bench power supply with 1mA resolution constant current limiting and multi function display using a junk bin enclosure and a junked plugpack or old computer power supply. …

Dave looks at some issues with fanning out tiny 0.4mm pitch BGA packages, via pad and hole size, tenting, breakouts, solder mask expansion etc. And then compares it with an 1136 pin Xilinx Virtex 5 FPGA with 1mm pitch to show the difference in PCB process technologies needed. Forum HERE …

Forget Arduino & Raspberry Pi being the embedded platform computing standards, PC/104 has reigned supreme for over 25 years and is still THE industrial embedded computing standard. Dave boots up a 17 year old 80386SX PC-104 board with Disk On Chip flash drive. Well, after a lot of frustration anyway. …