introductionofmeta英文版(編輯修改稿)
2025-06-24 08:42 本頁(yè)面
【文章內(nèi)容簡(jiǎn)介】 equipment DLL (. Agilent 8960 and Ramp。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 level) – Battery calibration(. Voltage high, Voltage low) 來(lái)自 中國(guó)最大的資料庫(kù)下載 META Configure file ? META version] ? META version= ver ? [8960 Initialization] ? 8960 GPIB Address =GPIB0::15::INSTR ? Time Out =5000 ? GSM400 cable loss = ? GSM850 cable loss = ? GSM900 cable loss = ? DCS1800 cable loss = 1 ? PCS1900 cable loss = ? [Frequency Bank] ? 。bank = 0x04 。 GSM ? 。bank = 0x1C 。 GSM+DCS+PCS ? bank = 0x0C 。GSM +DCS ? 。 GSM450 0x01 ? 。 GSM850 0x02 ? 。 GSM900 0x04 ? 。 DCS1800 0x08 ? 。 PCS1900 0x10 Version information 8960 setting and GPIB address Cable loss setting Make sure the cable loss correct before calibration Frequency bank setting 來(lái)自 中國(guó)最大的資料庫(kù)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
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