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RF OVERVIEW
Issue A
Section 3
MCUK990801G8
Revision 0
– 14 –
Technical Guide
Figure 3.1: RF Block Diagram
V_P
AON
D
ATA
I
Q
RAMP
DA
T
A
IF SA
W
Demod
PGC
(225MHz
)
PHASE
DETECT
OR
To
PLL
IC
Ref.
Cloc
k
AFC
I
Q
TX DUAL
VCO
UY76044
LOOP
FIL
TER
LOOP
FIL
TER
1/2
1/2
1/6
13MHz
1/2
PCNnGSM
CLOCK
STROBE
PCNnGSM
PCNnGSM
V_P
AON
D
ATA
CLOCK
STROBE
PCNnGSM
GSM:540MHz
DCS TX:520MHz
RX:540MHz
GSM:1
160~1
185MHz
DCS:1580~1655MHz
45MHz
GSM:890~915MHz
DCS:1710~1785MHz
ANT
GSM
LNA
DCS
LNA
(DCS)
EFCH225MDQP2
(MACO)
PLL
IC
PCNnGSM
PGC Gain
PCNnGSM
TXON1
RXON1
RXON2
2nd LOCAL
VCO
(MACO)
10076-1
PLL
IC
MB15F03SL
[SSOP
Package]
(Fujitsu)
Di 2
SW
LMC36-07A0503A
(MURA
T
A
)
(GSM)
DUAL
LOCAL
VCO
UY76043A
(MACO)
DUAL
RX SA
W
Filter 3.8*3.8mm
(MACO)
DUAL
LNA
IC
GN01073B
(MEC)
DUAL
RX SA
W
3.8*3.8mm
(MACO)
DCS
Mixer
2nd
Mixer
GSM
Mixer
HIT
ACHI
BRIGHT
-2
HD155123F
13MHz VCXO
7.0*5.0mm
(NDK)
3 wire bus control
1st, 2nd Mixer Gain
I&Q
MODULA
T
O
R
LOOP
FIL
TER
PCNnGSM
DC
MIXER
DUAL
TX
SA
W
Filter
3.8*3.8mm
(MACO)
Exciter
MGA-81563
(HP)
LPF Coupler
(GSM)
LDC15H200J0897
(MURA
T
A
)
Dual P
A
PF08103B
(HIT
ACHI)
LPF Coupler
(DCS)
LDC15H200J0897
(MURA
T
A
)
DUAL
APC
IC
HD155171T
(HIT
ACHI)
