Moto 3G A925 原理框图

block_diagramTest Connector

Paragon 1.5 RF Block Diagram
version 1.0
Transmission Line Zo = 50

WCDMA Rx Ceramic Bandpass Filter FL020
2110-2170 MHz

WCDMA Rx Diplexing Point

GSM LNA/VCO/Mixer

Balun/matching modules
ANT
HL_TX_EN GSM_EXC_EN N_GSM_EXC_EN RX_LIFE_EN N_BAND_1 N_BAND_0_G

LIFE
U625
2

U500
RX_ I
Filters Complex Modulator and Channel Selectivity

SSI_Rx I&Q Filter
RX Data Interfac e BCLKR BDR BFSR RX_ACQ TX Data Interfac e
TXCLK_MAGIC DMCS_MAGIC SDTX_MAGIC BFSX MAGIC SPI BUS MAGIC_DX MAGIC_SPI_CLK MAGIC_SPI_CE

FL500

PCS Rx

T670
2
AUX SPI BUS
AUX_SPI_DX AUX_SPI_CLK LIFE_CE

Front End Module

RX_Q

Filters

DCS Rx

RX_VCO_OUT
/N Loop Filter

T660
RX_VTUNE

Look-Up Table FN Seq. Gen.

CP_RX

EGSM Rx WCDMA Tx DCS/PCS Tx EGSM Tx

SF_OUT

CP_TX

Charge Pump

Phase Detector /R TX Power Contro