Specifications

Performance Verification 2
Series N6700 Service Guide 13
Verification Procedure
Constant Voltage Tests
NOTE
Test each output channel individually. Refer to the appropriate test record form
for the instrument settings of the model you are checking.
Voltage Programming and Readback Accuracy
Test category = performance, calibration
This test verifies that the voltage programming and measurement
functions are within specifications.
1 Turn off the power system and connect a DMM across the sense
terminals (see Test Setup A). Do not connect the load.
2 Turn on the power system and program the instrument settings
as described in the test record form under “Voltage Programming
& Readback, Min Voltage”. Turn the output on. The output status
should be “CV” and the output current should be close to zero.
3 Record the output voltage reading from the DMM and the voltage
measured over the interface. The readings should be within the
limits specified in the test record form for the appropriate model
under “Voltage Programming & Readback, Minimum Voltage”.
4 Program the instrument settings as described in the test record
form under “Voltage Programming & Readback, High Voltage”.
5 Record the output voltage reading from the DMM and the voltage
measured over the interface. The readings should be within the
limits specified in the test record form for the appropriate model
under “Voltage Programming & Readback, High Voltage”.
6 For models N6761A, N6762A, and N678xA SMU only. Set both
the voltage programming and the voltage measurement to the low
range (5.5 V for models N6761A and N6762A; 6 V programming
and 1 V measurement for models N678xA SMU). Set the
instrument as described under “Voltage Programming &
Readback, Low Voltage”. Repeat step 5 for the low voltage range.
The readings should be within the limits specified under “Voltage
Programming & Readback Low Voltage”.
7 For models N678xA SMU only. Set the voltage programming to
the 600 mV range and the voltage measurement to the 100 mV
range. Set the instrument as described under “600 mV
Programming & 100 mV Readback”. Repeat step 5. The readings
should be within the limits specified under “600 mV
Programming & 100 mV Readback”.
8 For models N6763A – N6766A only. Set the instrument as
described under “Voltage Readback, Low Voltage”. Record the
voltage measured over the interface. The reading should be
within the limits specified under “Voltage Readback Low Range”.