4: Theory of operation Series 2600B System SourceMeter® Instrument R
4-8 2600BS-901-01 Rev. C / August 2016
The first graph in the figure (marked "A: Output characteristics") shows the output characteristics for
the V-source. As shown, the Models 2601B, 2602B, and 2604B can output up to 6.06 V at 3 A, or
40.4 V at 1 A. Note that when sourcing more than 6.06 V, current is limited to 1 A.
The second graph in the figure (marked "B: Limit lines") shows the limit lines for the V-source. The
voltage source limit line represents the maximum source value possible for the presently selected
voltage source range. For example, if you are using the 6 V source range, the voltage source limit line
is at 6.06 V. The current compliance limit line represents the actual compliance in effect (see Limits
(on page 2-28)). These limit lines are boundaries that represent the operating limits of the System
SourceMeter
®
instrument for this quadrant of operation. The operating point can be anywhere inside
(or on) these limit lines. The limit line boundaries for the other quadrants are similar.
Models 2611B/2612B/2614B/2634B/2635B/2636B 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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