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SECTION 7
DIAGRAMS
7.1 Radio Frequency (RF) Block Diagram
eR
ak
ne Shot
ig
et ace ieee a
Ie BS a
aa
N E
ee
a
neta
ae
| EGSM
7
Pi
PMB 2411
\
EGSM
925 - 960 MHz
LNA
EGSM
LPF
|
43
28
|X,
pt
te
RXIP
Faa
eo
~
SHDHDO
H Z
kn
282 MHz
\
BPF2
aie
BPF4
iF Fiter
|
PGC
|
xy
EY TZ
VAa
Rx
2M
DCS 1805 - 1880 MHz'
LNA
DCS
=
BPF3
cee
LPF
|
KT
is
(3
RX ON
a
hl |
HA |
Eg
Pr E
5
Sh
|
z
RX QP
BPF5
BPF1
a
N
A
TTT
1
E
S
E
«t ™— SERDA
( PMB 2333 )
1207 - 1242 MHz
«—
SERCK
ga
Fi
ò ++—_
PGC_TX_STR
RX
DCS LO
=
1523 - 1598 MHz
a
Antenna
SA a oS
a
N
l
|
{
GSM
|
REF 13MHz tc BB
A
!
VC - TCXO
-
Dual PLL
p
l
2
AFC
DUAL RF VCO
j-
RF" (PMB 2346 )
2346
;
DCS
E
SYN STR
2
C)
l
aog
2—
SERDA
l
$
19
Reeve
A
3
|
SERCK
,
ot
|
tt
SYN2V8
Diplexer
VBB1 —2_|>
i
switch
ee
eee
=
GSM: 1162 - 1197 MHz
DCS : 1521 - 1596 MHz
GSM AND OCS : 558. 564 and 570 MHz
23
TX
za
Ae
L
es
oe
ye
(
LO
21
RF
MO
l
Xau
8|
©
g
DUAL
TX VCO
|
|
EGSM
PA-Medule
et eerie ee
|
GSM 900 : R=4
|
Matching
880.915 MHz
7"
GSM
`
DGS
"806
H=6
|
|
las
|
hea > Fpd = apprax.
149 MHz
Sy
|
|
LPF
eae
95 MHz
P
—
—_—
ee
i
PIE ee
a
|
DCS
PA-Module
|
|
TXIP
Matching
1719.1765
MHz
|
DOCS
|
T
!
!
!
a
|
x
'
j
serck —2t>
\
735
-
See
Sepet
sae
15
TX QP
PGC_TX_STR
©
©
©
>
>
>
3
3
k
via an intermediate frequency of 282 MHz. In the transmit direction the digitally GMSK-modulated baseband signal
dual power VCO.
diplexer/switch, antenna connector with integrated switch and antenna.
20
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