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MC26 0 Block Diagram
TX
ATTN
R111,113,116
824 ~ 849 MHz
Loss=-2dB
-50 ~ +23 dBm
PAM
U102
ANT
V ref=2.8V
RF3163
EFSD836MD2S2 / DP101
824~849MHz Loss=1.6dB
869~894MHz Loss=2.0dB
RFR6122 (5X5) / U106
Hjgi Gain : 16dB
mid Gain : 4dB
Low Gain : -5dB
Off Gain : -20dB
RX
869 ~ 894MHz
LNA
-104 ~ -25 dBm
RF
856302 / F103
Loss=2.0dB
RFT6122 (5X5) / U105
826243
F102
Loss=2.4dB
RF
Gain
RFT Output
Control
ctls
824 ~ 849 MHz
Circuit
-75~+6 dBm
Logic
LOCK
RX
PLL
1664~1788MHz
Typ. –15dBm
LO Generaion
& Distribution
Quadrature
Up-converter
2
2
Quadrature
Up-converter
LO Generaion
& Distribution
Control
Circuit
SBI
TX
TX
VCO
PLL
VCTCXO
LOOP
LOOP
FILTER
FILTER
DSA535SB / X100 / -19.20M
VCO
ctls
Control
Circuit
SBI
CDMA
LPF
CDMA
LPF
PM6610 (PMIC) / U400
RX _2.6 V
TX_2.6 V
MSMP_2.8 V
TCXO_2.85 V
MSMC_2.8 V
MSMA_2.6V
TX_REG_2.85 V
MSM6000 (15X15) / U201
TX_AGC_ADJ
TX_I
TX_I/
TX DACs
TX_Q
ARM7TDMI
TX_Q/
DAC_IREF
SBCK
SBST
AUX_SBI
SBDT
General
TX_ON
Purpose
Interface
PM6610 Buffer
Vocoder
TCXO
PLL
QDSP2000
Integrated
SBCK
SBST
CODEC
SBI
SBDT
RX_IP
RX_IM
RX ADCs
RX_QP
RX_QM
Mode
Selection
P_EN
Interface
IDLE/
SBI
ANSI/IEEE
JTAG Interface
RAM&ROM
LCD Display
Peripherals
Keypad
Vibration
Motor
EVRC
voice
Ear Jack
PC Connectivity
UART1
Test/Debug System
UART2/
R-UIM
External Mode Select
Digital Test Bus
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