A question arose during my Plant Electro-tropism presentation on 3/6/2015 about the voltage test schematic. The quick answer is the test setup for my 2 channel oscilloscope recordings came from a Tektronix Application Note called: Fundamentals of Floating Measurements and Isolated Input Oscilloscopes. “A minus B” Measurements (Also known as the Pseudo-Differential Measurements) The “A minus […]