Test Equipment

Dave looks at the Digilent Open Scope MZ Review, an $89 open source oscilloscope, logic analyser, and function generator. Forum HERE Podcast: Download

The new Siglent SDS1104X-E $499 4CH oscilloscope is a new contender for Rigol’s DS1054Z dominance. What’s it like inside? Forum HERE Podcast: Download

What’s inside the 4CH 100/200MHz entry level Uni-T UPO2104CS oscilloscope? Forum HERE Teardown Photos: Podcast: Download

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. …