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3. TECHNICAL BRIEF
G
3.6.2 GSM850/EGSM/DCS/PCS Dual band Transmit Power Amplifier
(U101: SKY77336)
The dual band PA is operating to transmit for low band (GSM-850, GSM-900) and high band (GSM-1800,
GSM1900). Operating mode is selected and controlled by the ESC6270
(GSM_PA_BAND).
[Figure 3.6.2] Block diagram of GSM PAM