skyworks 平台 cailbration必看文档

Tool_Airforce system CalibrationRevisedAirforce Calibration
November 1, 2002

Main Topic
Calibration Introduction Calibration Setup Calibration Stages
CCXO 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 & Charger

2002-11-1

Conexant GSM Training - Calibration

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Calibration Introduction
What’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 process

Why need to calibrate?
Ensure uniform performance from each handset. Mitigate tolerance differences between different RF components. Compliance with GSM requirements

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