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GX15
[RF]
BS1 (D)
BS2 (D)
BS3 (D)
BS4 (D)
PA (A)
VBAT (BATT)
2
6
VRF
1,3
VOLTAGE
TCXOEN (D)
REGULATOR
4
VTCXO
IC804
R5322P
5
23
IP (A)
24
IN (A)
25
QP (A)
QN (A)
26
31
TCXOOUT (D)
34
BTCLK (D)
4
1
26MHz
35
AFCDAC (A)
VCTCXO
3
TCX801
2
28
Loop
filter
2,5,8,11,15,16,18
29
SYNTHEN (D)
32
SYNTHDATA (D)
30
SYNTHCLK (D)
RX Line
TX Line
Control Line
(D): Digital, (A): Analogue
TP802
TP801
36,41,42
1,13,14,22,27,37,40,48
I&Q
MOD
1/2
1/2
90deg
shift(1/2)
1/2
IF Synthesiser
1/2
ARFCN
IFVCO
EGSM900 975 to 1023, 0 to 9:
656 MHz
10 to 124:
640 MHz
DCS1800
512 to 670:
640 MHz
671 to 885:
656 MHz
PCS1900
512 to 810:
640 MHz
PGA Part
PGA
IC801
15515502
Serial data
RF
interface
4 - - 3
CONFIDENTIAL
TXVCO
Loop
GSM900
880.2 to 914.8 MHz
DCS1800 1710.2 to 1784.8 MHz
filter
PCS1900 1850.2 to 1909.8 MHz
12
DPD
RF Synthesiser
1/2
90deg
LNA
Shift(1/2)
LNA
90deg
Shift(1/2)
LNA
Figure 2 RF BLOCK DIAGRAM
BS2
BS4
VBAT
42,43
IC802
RF3146
45
40,41
POWER AMP.
19
37
31
1800 / 1900
PA
17
48
6
900
4,5,7,30,32,
34,36,38,47
APC
RFVCO
TX
GSM900: 3848.8 to 3979.2 MHz
15
13
DCS1800: 3580.4 to 3729.6 MHz
PCS1900: 3860.4 to 3979.6 MHz
RX
GSM900: 3700.8 to 3839.2 MHz
DCS1800: 3610.4 to 3759.6 MHz
PCS1900: 3860.4 to 3979.6 MHz
38,39
Loop
3,7,8,16
filter
2
4
10
6
GSM900 RX
4
9
7
FL902
SAW FILTER
7
8
1
DCS RX
6
9
2,3,5,10
4
3
1
PCS RX
4
3
FL903
SAW FILTER
2,5
4 -- 4
GX15
BS1
BS2
BS3
BUILT-IN
AERIAL
ANT801
AERIAL
11
TERMINAL
6,10,12
J801
RF CONNECTOR
2
9
1
FL905
3,4
5
FL803
RFSW
GSM900 Band;
TX: 880.2 to 914.8 MHz
RX: 925.2 to 959.8 MHz
DCS1800 Band;
TX: 1710.2 to 1784.8 MHz
RX: 1805.2 to 1879.8 MHz
PCS1900 Band;
TX: 1850.2 to 1909.8 MHz
RX: 1930.2 to 1989.8 MHz
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