Keithley 4200A-SCS Reference Manual

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Keithley 4200A-SCS Reference Manual Manual pdf 61 page image

Section 3: Source-measure hardware Model 4200A-SCS Parameter Analyzer Reference Manual3-6 4200A-901-01 Rev. C / February 2017I-Source operating boundariesLimit lines are boundaries that represent the operating limits of the SMU for a certain quadrant ofoperation. The operating point can be anywhere inside (or on) these limit lines. The limit lineboundaries for the other quadrants are similar.The next two figures show the operating boundaries for the I-Source. Only the first quadrant ofoperation is covered; operation in the other three quadrants is similar.As shown in the next figure, the 4200-SMU can output up to 105 mA at 21 V, or 10.5 mA at 210 V.The 4210-SMU can output up to 1.05 A at 21 V, or 105 mA at 210 V.Figure 33: 4200-SMU and 4210-SMU I-source output characteristicsThe next figure shows the limit lines for the I-source. The current source limit line represents themaximum source value possible for the selected current source range. For example, the currentsource limit line is at 105 mA on the 100 mA current source range. The voltage compliance limit linerepresents the actual compliance that is in effect.Figure 34: 4200-SMU and 4210-SMU I-source limit lines