Analogue SignalsTable 11 AC and DC Characteristics of RF-Base band Analogue SignalsSignalnameFrom To Parameter Min Typ Max Unit FunctionRFCLK VCTCXO UPP Frequency 13/26 MHz System Clk from RF toBB,Signalamplitude0.2 0.8 1.32 Vpp 13/26 MHz Dependingon RF chipsetInputImpedance10 kW UPP minimumrecommendedamplitude is 0.3Vpp.InputCapacitance10 pFHarmonicContent-8 dBcClear signalwindow(no glitch)200 mVppDuty Cycle 40 60 %RFCLKGnd VCTCXO UPP DC Level 0 V System Clock slicer RefGND, not separatedfrom pwb GND layerRXIP,RXIN,RXQP,RXQNRF-IC UEMCLiteVoltageswing(static)1.4 1.45 Vpp Differential positive /negative in-phaseand quadrature RxSignals.DC level 1.3 1.35 1.4 VI/Qamplitudemismatch0.2 dBI/Q phasemismatch-0.5 0.5 degTXIP,TXIN,TXQP,TXQNUEMCLiteRF-IC Differentialvoltageswing(static)2.25 2.45 Vpp Differential positive /negative in-phaseand quadrature TxSignalsIn High-Z when RX isreceiving.DC level 1.17 1.20 1.23 VSourceImpedance200 WRM-298; RM-299System ModulePage 6 –14 COMPANY CONFIDENTIAL Issue 1Copyright © 2007 Nokia. All rights reserved.
