【正文】
ach level DAC difference per 1dB step Correcting factor of each level when 3 point cal. used GSM900 wanted : Setting the target power of calibration 來(lái)自 中國(guó)最大的資料庫(kù)下載 META Configure file (Cont.) ? TSC=5 ? Recursive Times=1 ? APC Delta= Training Sequence setting TX power measurement and feedback correction times The Delta limit setting of TX power ,when the delta small than it , the recursive would be stoped 來(lái)自 中國(guó)最大的資料庫(kù)下載 Meta Battery Voltage Calibration [ADC table] ADC_V1 = 3400 ADC_V2 = 4200 NORMAL_VOLTAGE = 3800 MAX_BATTERY_ADC_SLOPE = MIN_BATTERY_ADC_SLOPE = MAX_BATTERY_ADC_OFFSET = 100000 MIN_BATTERY_ADC_OFFSET = 100000 BATTERY_CHANNEL = 0 CHARGER_CHANNEL = 3 ADC_RESISTANCE = MAX_VOLTAGE_DIFFERENCE = MAX_CURRENT_DIFFERENCE = ADC_MEASUREMENT_COUNT = 1000 Battery calibration and limit setting ADC V2 offset V1 slope 來(lái)自 中國(guó)最大的資料庫(kù)下載 META Initial file for Factory Calibration ? Calibration initial file( default value for calibration) – TX power level amp。 GSM900 0x04 ? 。 GSM450 0x01 ? 。 GSM+DCS+PCS ? bank = 0x0C 。 GSM ? 。S CMU200) ? Calibration Items: – AGC: Radio subband path loss calibration – APC: Transmit power level calibration – AFC: VCXO slope and initial value calibration – Battery ADC calibration ? Logging file – store the process of each calibration. ? Configuration file – configure equipment parameters, calibration function, and margin value. ? Initial file – initial value of each calibration item 來(lái)自 中國(guó)最大的資料庫(kù)下載 META for Factory Calibration (cont.) ? Setup files – FDM : Data base file for current software load – Configure : Setting parameter for calibration – Log file : – Result file : Record calibration and testing result – Calibration data initial file : Pre load to handset calibration data and noncalibration parameter 來(lái)自 中國(guó)最大的資料庫(kù)下載 META for Factory Calibration (Cont.) ? Configuration file – Agilent 8960 initialization (. GPIB address, timeout value) – Cable loss – Support frequency bank – Calibration bank selection – Downlink power of Agilent 8960 – RX measurement sample – AFC calibration (. DAC1, DAC2 value) – TX PCL table (. MAX, wanted, MIN PCL