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6. Circuit Diagrams
6-1 Rx Circuit Diagram
CN400
5206
LNA_GAIN
L400
22nH
R400
C400
L402
PDM1
7PF
NC
U402
CRS5001-1003
2
OUT
IN
1
C420
NC
F400
EFSD836MB2Z1
18
ANT
3
13
TXOUTPUT
TX
RX
20
19
17
16
15
14
12
11
10
9
8
7
6
5
4
2
1
ON_SW
U406
1
DC_VOLT
3
PS_HOLD
4
5
R419
C439
27K
100NF
UMN1
V_MSMP
DC_IN_N
V_RING
(2.8V 100mA)
U408
TPS76928DBVR
1
5
IN
OUT
2
GND
C448
3
4
10UF
_EN
NC/FB
6.3V
6-1
U400
2SC4081BRT106
C401
1NF
10K
C403
R404
R456
L405
C406
47NF
1.8K
NC
47nH
100PF
C409
D400
18PF
BAR63-02W-E6327
L421
Q400
22nH
2SK2685ZT 4
C416
L409
2
C465
C417
12nH
NC
1 3
L412
0.5PF
12PF
82nH
C424
C421
100PF
1NF
L420
R409
R410
8.2nH
150
75
C425
0.5PF
3
R440
2
0
1
Q402
DTC114EE/TR
V_IF
Q406
DTC114EE/TR
3
R414
22K
2
1
V_MSMP
R417
27K
R418
100K
ON_SW_SENSE
2
3
2
C436
Q408
1
R421
4.7uF
100K
6.3
DTC114EE/TR
R423
1K
R425
47K
HP_PWR
V_MSMP
V_RING
U409
MAX809REUR-T
3
VCC
RESET
2
PON_RESET_N
GND
C445
1
100NF
C449
16V
10UF
C450
100NF
(3.0V 150mA)
V_RING
V_RFTXD
U414
MIC5205-3.0BM5/TR
1
IN
OUT
5
C457
2
C459
10NF
GND
16V
10UF
3
EN
4
IDLE_N
6.3V
REF_BYP
C464
10NF
U401
UMC5NTL
5
3
4
C402
L403
2
PA_R0
47PF
10nH
1
C408
1NF
U403
F401
MD57-0001TR
D881LH
C411
C412
4
C413
5PF
VDD
68PF
1
IF 6
L408
39nH
RF
IN
OUT
2
5
4PF
G G
G G
C418
5
2
GND
LOSRC
1
3 4
6
L411
82PF
18nH
LO
3
R407
220
C422
C423
10NF
22PF
L413
12nH
R412
RX_LO
NC
PA_R0
C431
NC
3.0TCXO
Q405
DTA114EE-TL
TCXO_ON
Q407
V_BAT
SI3443DV-T1
V_RING
4
C435
G 3
C437
4.7uF
100NF
R422
6.3
470K
3
1
2
Q409
DTC144EE/TR
V_IF
(2.8V 100mA)
U413
TPS76928DBVR
1
5
IN
OUT
2
GND
3
4
C446
C447
_EN
NC/FB
10UF
100NF
6.3V
(3.0V 150mA)
V_RING
V_SYNTH
U411
MIC5205-3.0BM5/TR
IN
OUT
1
5
C454
C455
GND
10NF
2
10UF
16V
EN
6.3V
REF_BYP
3
4
C462
10NF
SLEEP_N
V_SYNTH
C453
47uF
6.3V
R401
22K
R402
10K
L404
C405
F402
82nH
10NF
TMX P337 (85.38MHz)
R405
C407
L406
10
OUT+
5
IN+
39K
5PF
82nH
OUT- 4
9 IN-
L407
180nH
G1
G2 G3
G4
G5 G6
1
C414
1
2
3
6
7
8
27PF
L410
Q401
220nH
AT-32033
C419
R406
1.2PF
18
L416
BLM10A102SGPT
C428
C429
10NF
100NF
C432
1NF
C433
C434
10NF
1NF
V_MSMP
V_VDDM
L418
BLM10A102SGPT
C438
10NF
TCXO_IN
RX_IF
_RX_IF
R424
470K
RX_AGC_ADJ
C441
1NF
R426
47K
SBCK
SBST
SBDT
SLEEP_N
C442
22NF
C443
100PF
C444
150PF
L415
C451
4.7PF
68nH
C452
150PF
(2.5V 100mA)
V_RING
U412
V_MSMA
TPS76925DBVR
1
5
IN
OUT
2
GND
3
4
C460
C461
_EN
NC/FB
100NF
10UF
6.3V
Monday, November 12, 2001
C404
8.2PF
RX_IF
C410
3.3PF
_RX_IF
C415
8.2PF
L417
V_IF
BLM10A102SGPT
C430
10NF
Q_OFFSET
I_OFFSET
CX8_FM_CLK
RX_QDATA3
RX_QDATA2
RX_QDATA1
RX_QDATA0
RX_IDATA3
RX_IDATA2
RX_IDATA0
RX_IDATA1
RX_IFVCO_OUT
R429
100
R430
10K
D401
1SV279-TPH3
R433
10K
RX_IF_DO
D402
1SV279-TPH3
H.G.KIM
C.K.KIM
SCH-A399_REV2.0-RX
06
Circuit Diagram
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