D.E.V.I.C.E. is an encyclopedia of terms used by manufacturers of test and measurement equipment. T&M Atlantic created this service to better explain the functionality of instruments it offers, and to highlight the latest developments in the world of T&M Atlantic. We are using such tools as flash and animation to bring words and pictures to life and to create not just an understanding but also an appreciation for technology that goes into the design of every instrument.
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When testing a power supply in this mode, there is current floating through the electronic load linearly proportional to the input voltage in accordance with the preset resistance. At the same time the use of a combined mode (constant resistance mode changing to direct voltage mode) additionally provides protection to the power supply under test against current surge during the changing process.
Tracking mode is one of multi-channel power supply control modes in which single channel (driving) control means an identical change of the same parameter of another channel (driven), i.e. as a result the parameters of both channels change simultaneously.
In DC voltage mode the power supply will produce current in accordance with the resistance value of the load, at the same time the specified input voltage will stay invariable. The retention of the preset voltage will last until the maximum acceptable current in the load is achieved. As a rule when the current exceeds the norm (current overload) the power supply automatically changes to current stabilization mode. If the power supply is not protected against current overload it will get out of order in case of such overload.