introductionofmeta英文版(參考版)
2025-05-15 08:42本頁面
【正文】 S/Agilent DLL META FACTORY RS232 Target Handset (a) RF and BB Calibration Automation (RSSI, APC, AFC, ADC) (b) Logging file BB Test Equipments Agilent 8960 Ramp。 time – The mand send to target or Agilent 8960 – Value read from target or Agilent 8960 來自 中國最大的資料庫下載 META for Factory Calibration (cont.) ? Logging file – Calibration date amp。 loss – AFC initial value amp。 PCS1900 0x10 Version information 8960 setting and GPIB address Cable loss setting Make sure the cable loss correct before calibration Frequency bank setting 來自 中國最大的資料庫下載 META Configure table ? [C0 for each Bank] ? arf_C0_GSM = 70 ? arf_C0_DCS = 700 ? arf_C0_PCS = 660 ? [Downlink power] ? P_DL = 60 ? [RX measurement samples] ? N_PM = 5 ? M_PM = 4 ? ? [AFC Calibration] ? N_AFC = 5 ? DAC1=4000 ? DAC2=4500 Calibration channel setting in each band Down link power setting Receiving power sample times Frequency measurement average times DAC1 : first point of measure frequency DAC2 : Second point of measurement freq DAC2 0Hz DAC1 Initial slope 來自 中國最大的資料庫下載 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 中國最大的資料庫下載 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 e
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