NEW TECHNIQUE REDUCES VOLTAGE AND CURRENT MEASUREMENT ERROR AND MEASUREMENT TIME
Original Publication Date: 1991-Dec-01
Included in the Prior Art Database: 2001-Dec-27
The following explains an improved test method used for Motorola's MasterTech Circuit Analyzer. MasterTech tests the current and voltage response of a circuit node in an unpowered state. These "signatures" are sent to a host personal computer wbicb compares the measured signa- ture to the stored signature of a known good circuit node. In this manner, technicians are able to identify "defective" nodes and locate the responsible components. The sig- nature is nothing more than the voltage versus current response of the node to a fixd Frequency, fixed amplitude, current limited sinusoidal waveform.