LG Electronics U250 Cell Phone User Manual


 
3. TECHNICAL BRIEF
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B. the others
TRK_LO_ADJ : TCXO(19.2M) Control
PA_ON : WCDMA(2100) TX Power Amp Enable
ANT_SEL[0-2] : Ant Switch Module Mode Selection(WCDMA,GSM Tx/Rx,DCS-PCS Tx/Rx)
GSM_PA_BAND : GSM/DCS-PCS Band Selection of Power Amp
GSM_PA_RAMP : Power Amp Gain Control of APC_IC
GSM_PA_EN : Power Amp Gain Control Enable of APC_IC