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6
Product testing
6.1 u-blox in-line production testing
As part of our focus on high quality products, u-blox maintain stringent quality controls throughout
the production process. This means that all units in our manufacturing facilities are fully tested and
that any identified defects are carefully analyzed to improve future production quality.
The Automatic test equipment (ATE) deployed in u-blox production lines logs all production and
measurement data – from which a detailed test report for each unit can be generated.
shows the ATE typically used during u-blox production.
u-blox in-line production testing includes:
•
Digital self-tests (firmware download, MAC address programming)
•
Measurement of voltages and currents
•
Functional tests (host interface communication)
•
Digital I/O tests
•
Measurement and calibration of RF characteristics in all supported bands, including RSSI
calibration, frequency tuning of reference clock, calibration of transmitter power levels, etc.
•
Verification of Wi-Fi and Bluetooth RF characteristics after calibration, like modulation accuracy,
power levels, and spectrum, are checked to ensure that all characteristics are within tolerance
when the calibration parameters are applied.
Figure 15: Automatic test equipment for module test
UBX-16012621 - R18
C1-Public
JODY-W1 series - System integration manual
Product testing
Figure 15
Page 64 of 72
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