Rf Interface - LG U8130 Service Manual

3. TECHNICAL BRIEF

3.1.4 RF Interface

A. MARITA Interface
Marita controls GSM RF part using these signals through GSM RF chip-Ingela.
• RFCLK, RFDAT, RFSTR : Control signals for Ingela
• TXON, RXON
• PCTL
• BANDSEL0
• ANTSW[0:3]
• DCLK, IDATA, QDATA
• DIRMOD[A:D]
B. WANDA Interface
Wanda controls WCDMA RF part using these signals through W-CDMA RF chip-Wopy & Wivi.
: Control signals for TX and RX part of Ingela
: Control signal for GSM TX PAM
: Band selection signal for GSM or DCS
: Control signals for antenna switch
: GSM/DCS RX Data
: GSM/DCS TX Data
Figure. Schematic of MARITA RF Interface
Figure. Schematic of WANDA RF Interface
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