introductionofmeta英文版(文件)
【正文】 measure frequency DAC2 : Second point of measurement freq DAC2 0Hz DAC1 Initial slope 來自 中國(guó)最大的資料庫(kù)下載 META Configure table (Cont.) ? [RX path loss table] ? GSM900_MAX_RX_LOSS =, ? GSM900_MIN_RX_LOSS = ,, ? DCS1800_MAX_RX_LOSS = , ? DCS1800_MIN_RX_LOSS = ,, ? PCS1900_MAX_RX_LOSS = , ? PCS1900_MIN_RX_LOSS = ,, RX path loss limit setting Subband setting reference to .ini file We could use limit setting to sort abnormal Rx path loss , like SAW or RF test Point device defeat or bad soldering 來自 中國(guó)最大的資料庫(kù)下載 META AFC and APC configure table ? [AFC table] ? MAX_INIT_AFC_DAC = 65535 ? MIN_INIT_AFC_DAC = 0 ? MAX_AFC_SLOPE = ? MIN_AFC_SLOPE = AFC calibration limit setting [TX PCL table] GSM900_CAL_PCL = 17, 12, 5, GSM900_PCL = 19,18,17,16,15,14,13,12,11,10,9,8,7,6,5, GSM900_MAX_P = 6, 8, 10,12,32, GSM900_WANTED_P = 5,7,9,11,13,15,17,19,21,23,25,27,29, GSM900_MIN_P = 4,6,8,10,31, GSM900_C = 3,3,3,3,4,4,6,6,8,8,12,12,15,15,35,40 GSM900_CORRECTION = ,0,0,0,0,0,0,0,0,0, APC calibration limit setting 3 Point PCL selection PCL level Max power limit of each level Min power limit of each 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 p
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