Tutorials

Dave explains the fundamentals of Kirchhoff’s Current Law (KCL) and Kirchhoffs Voltage Law (KVL) leading up to how they might be used in the 2nd part of the video HERE Forum HERE Podcast: Download

Dave further investigates the Varta 15 minute NiMH batter charger. Mixed signal analysis with the new Keysight 3000T oscilloscope, and current tracing with the TTI iProber 520 positional current probe And some more reverse engineering. Forum HERE Podcast: Download

A look inside the Varta 15 minute 8A NiMH fast charger. A teardown and look at how it works and the circuit topology. Can Sanyo Eneloops be charged this fast too? Forum HERE Datasheets: Varta-AA-2100mah-56706-datasheet.pdf DTM4410.pdf tl494.pdf Podcast: Download

Dave shows why power supplies are no different to batteries when determining cutoff voltage, busting the claim of Batteriser using their own monkey experiment. It shows the incorrect method used by Batteriser to come to their false conclusion. Discharge testing of alkaline batteries is performed, and correct probing of the …