Block Diagrams - Samsung SGH-E330N Service Manual

5. Block Diagrams

5-1. RF Solution Block Diagram
H I TA C H I M ET A L A N T SW I TC H
S H S - C 0 9 0 T ( 4 . 5 X 3 . 2 )
I m a x = 1 0 m A
Fr e q ( M H z ) L o s s
8 8 0 - 9 1 5 1. 2 d B
9 2 5 - 9 6 0 0 . 9 d B
1 7 1 0 - 1 7 8 5 1. 2 d B
1 8 0 5 - 1 8 8 0 1. 2 d B
1 9 3 0 - 1 9 9 0 1. 2 d B
FE_SW1
FE_SW2
PCS RX ON
RFMD PA M
RF514 6 7x7
= 5 8 %
G S M : Po u t = 3 5 . 0 d B m E
f f
D C S: Po u t = 3 3 . 0 d B m E = 5 2 %
f f
PCS: Po u t = 3 2 . 0 d B m E = 5 5 %
f f
SGH-E330N RF Block Diagram
FU J I TSU E G S M R X S A W F i l t e r
F A R F 5 E B - 9 4 2 M 5 0 - B 2 8 CH
I L = 2 . 7 d B m a x
Ri p p l e = 1 . 7 d B m a x
FU J I TSU D C S R X SA W Fi l t e r
F A R - F 6 E B - 1 G 8 4 2 5
I L = 2 . 3 d B m a x
R i p p l e = 2. 0 d B m a x
FU J I TSU PCS R X S A W F i l t e r
F A R - F 6 E B - 1 G 9 6 0 0 B 2 B W
I L = 2 . 8 d B m a x
Ri p p l e = 1 . 6 d B m a x
Vcc_RF_VCO
Discrete
rd
3 Order
Loop Filter
OFFSE T M i x e r i n p u t p o w e r
- 1 6 d B m m a x , - 22 d B m m i n
pi -PAD
V c c _ T x _ B U RS T
V B A T
Discrete
rd
3 Order
Loop Filter
G S M I N
~
pi -PAD
V R A M P
~
G S M S / W
TX ENA B L E
B A N D SE L E C T D C S, PCS S/ W
MU RA TA TX VCO
M Q W 5 1 0 C 8 6 9 M
pi -PAD
( 5 . 5 X 4 . 8
D C S / P CS I N
GS M = 824 ~ 915 M H z
( Vt=0.5 V ~ 3 . 0 V )
D C S, P CS = 17 10 ~ 19 1 0 M H z
( V t = 0 . 5 V ~ 3 . 0 V )
Po u t = 6 . 5 3 d B m t y p . , I c
H a r m o n i c s < = - 15 d B c
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QUAD
B 2 B W
VREG
DIV
Vcc_RF_LO
~
GS M /DCS/PCS
CP
FE _ S W 1
FE_ S W 2
CP
PFD
Ph i l i p s T r a n s c e i v e r
U A A 3 5 3 6
X 1. 5 m m )
< = 3 3 m A
5-1
VREG
FracN
DIV
f = 2 6 M H z
c o m p R F
PFD
I+
DIV
1:1/2
QUAD
fmod
I-
3W
f
TXIF
BUS
60/ 114MHz
Q+ CTL
REG
Q-
PWR
EN
Pi n s I A , I B , Q A a n d Q B
V : 1. 2 5 V . , 1. 1 5 V , 1. 3 5 V
I Q t y p m i n m a x
V : 0 . 5 V
m o d p p
+ I OUT
- I OUT
100 kHz+fmod
+ Q OUT
- Q OUT
Vcc _ S Y N
Vcc_ R EF(2.4 V typ .)
VTCXO
REFIN
TCO-5871U
26MHz
REF_ 1 3 M
D A TA
C L K
EN
RXON
TXON
SYNON
FESWON