Power Supplies

Dave shows you how to setup, measure and generate an Efficiency vs Load Current characteristic curve for a DC-DC converter, just like you see in the datasheets. Several traps for young players are discussed, along with plotting Logarithmic axis charts in a spreadsheet. Electronic Load Kit BM235 Multimeter: http://amzn.to/2hJp78T Rigol …

Dave tests the Castle Creations CC BEC Pro battery eliminator used in model airplanes to see if it meets is rated continuous current performance claims. Also a bit of a how-to on testing regulators like this, 4 terminal load sensing error reduction is demonstrated. Airflow and thermal camera measuremements are …

Dave reviews the 350MHz National Instruments VirtualBench combined 4 channel oscilloscope, logic analyser, arbitrary waveform generator, 5.5 digit multimeter, digital I/O, and power supply. Forum HERE Podcast: Download

Dave takes a look at the BK Precision 8601 DC Electronic Load and compares with his older 8500 model. A teardown and some playing around with the software DIY Electronic Load HERE 8500 Teardown HERE Forum HERE Hires teardown photos: Podcast: Download

Dave repairs his Rigol DP832 Lab Power Supply. Why did it need repairing? That’s the FAIL part Rigol might want to look into… The previous DP832 Design FAIL Forum HERE Podcast: Download