Service Manuals, User Guides, Schematic Diagrams or docs for : siemens Mobile Phone BENQ-SIEMENS E71 BENQ-SIEMENS E71 3
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E71 RF Diagram frontend
internal
antenna GSM 850
external LNA
antenna
1 BATT+
869-894 MHz 2
antenna
mechanical filter
antenna GSM 900 DC autocalibration
matching
IQ demodulator
1/2
autocal.
switch LNA
925-960 MHz VCC2_8
1 VCC_SYN
2
DCS LNA
IQ demodulator
1805 - 1880 MHz PA_RAMP
Temp_sense
State
RF PLL machine
integr. RF VCO
Baseband
FEM 3476 - 4026 CP PFD D Serial
PCS LNA +
MHz 1 RFCLK
Hitachi 1930 - 1990 MHz VCXO
Interface
R RFSTR
HWXR591 Crystal 26 MHz 1
FEM incl. AFC_PNM RFDATA
7.2 x 5.5 external 26MHz
SAW &
mm Loopfilter 26MHz
PIN-diode
26_MHz_PM
switch and
matching TXON_GSM
Integrated Varicap
Transceiver IC 1/
N
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