Motorola GP340 ATEX, Service Information

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PCB 8485726Z01 - Schematics
4-7
IF О
L331
2.20uH
R343
10
V d d _ F I L T E R E D < ^ V d d a
(SOURCE)
C382
10uF
D E M O D
C344
0.1uF
1
C348
0.1uF
C347
0.1uF
C329
0.1uF
C342
i 1uF
C341
i 1uF
C340
, 1uF
C 3 3 9
, 1 u F г
V d d _ F IL T E R E D
C337
100pF -=É="
C 356
022uF
C346
0.1uF
1
C345
0.1uF
C343
0.22uF
R 5
R314 П
3K Y
-ЛЛЛ/— "
C355
0.33uF
R350
100K
C390
100pF
C357
0.22uF
C4P
C3P
C2P
C1P
G R E E N _V C C
M IX_BYP
G R E E N _V S S
BLU E_VSS
BLU E_VC C
MIX_IN
P R E A M P _O U T
P R E_AG C
О со t I
> >, ? °, '
O CO U- O C O I
> , > , D 1
ш Ш O
CO CO ^
О О ш
ce ce û
U 3 01
3 2 D 8 3
I O
о § M LPD _C R
c B R P_O FF
B R O W N _VC C
FREF
G ND
CEX
C LK
DATA
T ESTA
IOUT
3 G O LD _VSS
£ COL
-47 dB m @ 45 .1M H z
C323
150pF
L311
750nH
_ r v r ^ n _
FL301
X TAL
TBD
-51.2dB m @ 45 .1M H z
-C 3 2 4
20pF
R351
0
-л/ w
C325
.01uF
C326
- .01uF
^ C327
> R311 100pF
30K
R312
■ 2.4K
R313
330
y
Q302
R352
3.3K
R315
12K
C328
0.1uF
C330
’ 10pF
L330
i
680nH
C338
15pF
R S S I
D A
D B
R344
12K
^ A / V
C358
1200pF
C359
0.1uF
C383
100pF
V d d _ F IL T E R E D
_ , , C334
— .022uF 1 6 .8 M H z
------ Il-----"< □
L V Z IF _ S E L
□ C L K
^ C H
d a t a
C352
12pF
C349
.022uF
C350
330pF
T
C351
20pF
C360
.022uF
- C361
- .01uF
S H323
SHIELD
CR Y S TA L FILTER SHIELD
SH321
SHIELD
LVZIF TO P SHIELD
SH322
SHIELD
LVZIF BTM SHIELD
37
38
41
42
46
47
48
6
IN
0 .7 0 6V
ZMY0130349-O
300R1 (300-350MHz) Receiver Back End