Test Equipment
The following table lists the equipment NI recommends for the performance verification and
adjustment procedures. If the recommended equipment is not available, select a substitute
using the minimum requirements listed in the table.
Table 1. Recommended Test Equipment
Equipment Recommended Models Minimum Requirements
Frequency Reference Symmetricom 8040C
Output Frequency: 10 MHz
Accuracy: ≤ 1×10
-10
Frequency Counter Keysight 53220A
Frequency Range: >10 MHz
Frequency Resolution: ≤0.001 Hz at
10 MHz
BNC-BNC Cable — —
BNC-SMA Cable — —
Test Conditions
Review and become familiar with the entire procedure before beginning the calibration
process.
The following setup and environmental conditions are required to ensure the PXIe-1092
chassis meets published specifications.
• Keep cabling as short as possible. Long cables and wires act as antennae, picking up extra
noise that can affect measurements.
• Verify that all connections, including front panel connections and screws, are secure.
• Maintain an ambient temperature of 23 °C ± 5 °C.
• Keep relative humidity below 80%.
• Ensure that the PXIe-1092 chassis has been continuously powered for at least 24 hours
prior to calibration to allow the 10 MHz oscillator frequency to stabilize.
• Ensure that the Frequency Reference has been continuously powered as specified by its
manual for its accuracy to meet the minimum requirements specified in Table 1.
2 | ni.com | PXIe-1092 Calibration Procedure
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