5560A/5550A/5540A
Service Manual
16
Figure 4. Volts DC Calibration SENSE Output
7. Connect a strap between the Guard and Ground terminals of the DUT.
8. Output from the DUT/Measure with the meter and record the 8588A measured values when
connected to the Product in the Product Output column, see Table 5.
9. With the entire table populated, evaluate each step for compliance to limits. If Guardbanding is to
be applied, create a table from the example in this manual, where the acceptance limits are
properly modified by your Guardbanding method.
Table 5. Calibration Steps for Volts dc (AUX Output)
Step
Product
Output
(OUTPUT VZ)
Product
Range (AUX
Output)
Product
Output (AUX
Output)
Product
Output
Limits
1 1 V 120 mV 0 mV ±0.30 mV
2 -1 V 120 mV 120 mV ±0.34 mV
3 1 V 120 mV -120 mV ±0.34 mV
4 -1 V 1.2 V 0.121 V ±0.34 mV
5 1 V 1.2 V -0.121 V ±0.34 mV
6 -1 V 1.2 V 1.2 V ±0.66 mV
7 1 V 1.2 V -1.2 V ±0.66 mV
8 -1 V 7 V 1.21 V ±0.66 mV
9 1 V 7 V -1.21 V ±0.66 mV
10-1 V7 V7 V ±2.40 mV
11 1 V 7 V -7 V ±2.40 mV
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