Tool_Airforce system CalibrationRevisedAirforce CalibrationNovember 1, 2002Main TopicCalibration Introduction Calibration Setup Calibration StagesCCXO calibration Receiver Calibration Rx gain stage calibration Transmitter Calibration Tx IQ Gain&Phase Imbalance calibration Tx IQ DC Offset Tx power Tx Ramp Pedestal Battery & Charger2002-11-1Conexant GSM Training - Calibration2Calibration IntroductionWhat’s the Calibration?Using S/W to Compensate the H/W difference automatically S/W Compensation: Output data stored in non-volatile memory ( Flash or Eeprom ) and utilized by Layer 1 code H/W difference: Component difference and production processWhy need to calibrate?Ensure uniform performance from each handset. Mitigate tolerance differences between different RF components. Compliance with GSM requirements200……
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