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Introduction
Continued consolidation and competition in the cell phone market has intensified manufacturing pressure to reduce cost of test. This has increased the need for test time improvements enabled by fast calibration techniques. These fast calibration techniques require unique chipset support capability and advanced test equipment. Such capability is realized in measurements like the Keysight Technologies, Inc. Fast Device Tune, available in Keysight’s 8960 and E6601A wireless communication test sets. Working together with chipset test mode software to synchronize with the mobile phone’s test sequence, Fast Device Tune dramatically reduces test time for transmitter output power and receiver input level calibration. Measurement speed improvements are achieved with simultaneous calibration of transmitter and receiver performance across level and frequency in a single measurement sweep per frequency band.
This application note describes the Fast Device Tune measurement for calibrating W-CDMA mobile phones using the 8960, Keysight’s full-featured test set optimized for wireless device design and manufacturing test. An overview of calibration, explanation of the measurement setup, tour of Fast Device Tune application features, and programming example are all included.
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