4: Theory of operation Series 2600B System SourceMeter® Instrument
4-6 2600BS-901-01 Rev. B / May 2013
Operation as a sink
When operating the Series 2600B in the second or fourth quadrant, the SMU operates as a load that
sinks and dissipates the power internally. The SMU’s ability to dissipate power is defined by the
boundaries shown in the previous figure. When operating the Series 2600B in the second or fourth
quadrant, the DUT would be a power source (such as a battery, solar cell, or a power supply).
Use care when connecting a source to the Series 2600B that is capable of exceeding the voltage or
current limit. Using the Model 2601B/2602B/2604B to sink more than 3 A can damage the instrument
and invalidate your warranty. Using the Model 2611B/2612B/2614B/2634B/2635B/2636B to sink
more than 1.5 A can damage the instrument and invalidate your warranty.
V-source operating boundaries
Models 2601B/2602B/2604B V-source operating boundaries
The following figure shows the operating boundaries for the V-source. Only the first quadrant of
operation is shown. Operation in the other three quadrants is similar.
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