教你從維修開始掌握手機原理(已修改)
2025-06-29 06:07 本頁面
【正文】 教你從維修開始掌握手機原理作者：日期： 維修培訓一、電池校準 ............................................................................................31 ADC_SLOPE amp。 ADC_INTERCEPTION ...............................................3B ANDGAP TUNING.............................................................................73 BATTERY_VOLTAGE COEFFICIENT....................................................74 PMIC_R1 amp。 PMIC_R2 ....................................................................75 MAX CHARGING VOLTAGE AND CHARGING ZERO CURRENT ............86 RTC TEST ............................................................................................9二、射頻校準 ..........................................................................................121 CCXO CALIBRATION ......................................................................122 GSM RX GAIN CALIBRATION .........................................................133 GSM RX CHANNEL COMPENSATION CALIBRATION .........................144 GSM IP2 CAILBRATION ..................................................................145 TX IQ CALIBRATION.......................................................................156 GSM TX POWER CALIBRATION.......................................................177 TX POWER COMPENSATION CALIBRATION .....................................178
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