3-8 Keysight N5224B/25B Service Guide
Tests and Adjustments
About System Verification and Performance Tests
3-
Instrument Specifications
The analyzer's system specifications are described in the Data Sheet and
Technical Specifications documents, available online at:
https://www.keysight.com/us/en/assets/9018-04171/technical-specificatio
ns/9018-04171.pdf
and
https://www.keysight.com/us/en/assets/9018-04179/technical-specificatio
ns/9018-04179.pdf
.
These specifications apply when the analyzer is used to make either raw or
error-corrected measurements.
System Verification Procedure
The system verification procedure tests the network analyzer measurement
“system”, as defined previously, against the system specifications. If
confirmation is successful, the measurement system is capable of making
measurements to the accuracy specified by the graphs of measurement
uncertainty.
The procedure consists of calibrating the analyzer with a calibration kit,
measuring a set of characterized devices, and comparing the resultant
measured data to the data and uncertainty limits supplied with the verification
kit. The device data provided with the verification kit has a traceable path to
NIST. The total measurement uncertainty limits for the performance
verification are the sum of the factory measurement uncertainties and the
uncertainties associated with measuring the same devices on the system being
verified. The difference between the factory-measured data and the
verification-measured data must fall within the total uncertainty limits at all
frequencies for the total system uncertainty test to pass.
Performance Tests
Performance tests are used to confirm analyzer performance against the
“instrument” specifications. If confirmation is successful, the PNA meets the
instrument specifications.
Performance tests are contained in the analyzer’s firmware with Options
S93898A and are described at
“Performance Tests” on page 3-31
.
An illustrated outline of the performance verification procedure:
— for ANSI/NCSL Z540.3-2006 and ISO/IEC 17025 verification, is shown in
.
— for non-standards verification, is shown in
Calibration kits are different from verification kits. Calibration kits are used
to determine the systematic errors of a network analyzer measurement
system. Verification kits are used to confirm system specifications and are
not used to generate error correction.
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Страница 612: ...Appendix 4 Service Guide EEPROM Address Assignments and Location N5224 5A B PNA and N5244 5A B PNA X Instruments...
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