UAA3522 PHILIPS [NXP Semiconductors], UAA3522 Datasheet - Page 4

• Manufacturer Part Number: UAA3522
• Description: Low power dual-band GSM transceiver with an image rejecting front-end
• Manufacturer: PHILIPS [NXP Semiconductors]

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1710 to 1785 MHz
DCS BAND
SWITCH
RX/TX
1805 to1880 MHz
925 to 960 MHz
AMPLIFIER
POWER
880 to 915 MHz
1510 to 1680
GSM BAND
RX VCO
DCS RF
MHz
1710 to 1785 MHz
BALUN
BALUN
GSM TX RF VCO
DCS TX RF VCO
880 to 915 MHz
1080 to 1160
GSM RF
RX VCO
MHz
UAA2077XM
41,
42
30, 31
26
38, 39
35
90
SHIFTER
PHASE
0
CHARGE
PUMP
CHARGE
PUMP
90
SHIFTER
SHIFTER
0
PHASE
PHASE
PROGRAMMABLE
Fig.1 Block diagram.
FREQUENCY
DETECTOR
RF PHASE/
DIVIDER
SHIFTER
DETECTOR
90
PHASE
PHASE
ADDER
90
ADDER
44, 45
46, 47
UAA3522HL
SAW
DIVIDER
8, 9
ADDER
5
90
0
90
0
PROGRAMMABLE
FREQUENCY
2
DETECTOR
IF PHASE/
DIVIDER
DIVIDER
DIVIDER &
SHIFTER
PHASE
13
400 MHz
IF VCO
CHARGE
IF VCO
PUMP
XTAL
FCA004
4, 5
2, 3
4, 5
2, 3
13,
14
16
23
I
Q
I
Q
REF OSC.
13 MHz
B
A
S
E
B
A
N
D
&
A
U
D
O
N
T
E
R
F
A
C
E
I
I