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11. BLOCK DIAGRAMS
11.1. RF Band
Tri-band
MEC FEM
GN06006L
Vdd
In A
In B In C
Ext RF
50 ohm
GaAS + Si
LTCC
PROVISIONAL ISSUE
PMB6258 SMARTI DC+
850MHz
900 TX
EGSM SAW
matc
hing
DCS SAW
matc
hing
PCS SAW
matc
hing
(includes
DCS/PCS TX
Keep out)
H3
2X1.3 mm
BGH
181B
LO
:4
Drive
LO
:2
Drive
LO
:2
Drive
:4
LO
Drive
VT
LOFISW CPLO
H3
VRF1
BGH
091B
2258
VTX
EN Driver
850SAW or
BS
900SAW
PA + APC
DCS/PCS TX
Active
Bias
850/900 TX
RF3146
– 11-1 –
26 MHz
PLL
Serial Control
Logic
&
Registers
EN; DA; CLK
(3)
Loop
Filter
VRF
VMain
1800/1900
BS
850/900
BS
TCXO
FSYS_BB
FSYS_BT
TX-ON-PA
TX-ON-DRV
PA-Level
A
AX
B
BX
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