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5-3
SCH-A212 Circuit diagrams
3. RX Circuit Diagram
5
8
3
12
9
10
D
(i)
Sheet
Engineer
B
QA CHK
COMPANY NAME
of
2
3.0
B
Drawn by
REV
A
H
H
5
6
R&D CHK
11
D
MFG ENGR CHK
10
7
Size
Drawing Number
4
4
1
3
3
SCH-A212
A2
9
Date Changed
C
TITLE
Changed by
A
Time Changed
3
C
12
E
F
11
8
G
F
Address
2
DOC CTRL CHK
6
City
E
7
G
1
LJC
LJC
5:11:41 pm
2001.04.26
LJC
1NF
C372
10NF
C501
R544
100K
1NF
C332
10NF
3.0_MP
3 4
G G
6
2
IN
5
OUT
C338
10
F303
1
G G
270nH
L331
R373
L322
100NF
C388
2PF
2
GND
GND 7
8
IFIN
6
IFOUT
LOIN
4
RFIN
1
3
VD
C375
U361
5
BPC
C516
10NF
R535
0
D351
100PF
C539
3.3K
R509
18nH
L328
6.3V
33UF
C506
NC
C514
27PF
VDD8
35
44
VDDM
3.0_MP
R630
7
VCONTROL
4
VDD1
VDD2
6
VDD3
14
VDD4
15
17
VDD5
20
VDD6
VDD7
24
21
RXVCO_T1
RXVCO_T2
22
SBCK_SLEEP/
32
SBDT_FM/
31
26
SBI_EN
30
SBST_IDLE/
TCXO
36
TCXO/N
37 27
Q_OFFSET
RXID2
46
45
RXID3
42
RXQD0
RXQD1
41
40
RXQD2
RXQD3
39
RXVCO_OUT
25
8
GND3
GND4
13
16
GND5
GND6
18
19
GND7
GND8
23
34
GND9
I_OFFSET
28
1
RM_RX_CLK
FM_RX_IDATA_RXID1
47
48
FM_RX_QDATA_RXID0
2
FM_RX_STB
FM_SLOT
29
GND1
3
GND10
43
5
GND2
U302
11
CDMA_IF
CDMA_IF/
12
CHIPX8
38
DNC
33
FM_IF
10
9
FM_IF/
R541
100K
C349
33NF
L319
NC
R518
R519
3.0_IF
68nH
NC
L303
NC
R555
2
3
1
3.0_IF
100NF
C537
Q501
100NF
1
3
2
C531
4.7NF
Q503
R538
NC
3.0_TCXO
C345
C538
100NF
100PF
C507
100PF
C519
R508
1K
C502
10NF
R330
1K
R524
0
200
R554
L302
12nH
R514
0
0
L320
R507
R537
22K
NC
C545
10K
6.3V
10UF
C333
R512
R311
0
36
100NF
C518
C342
1NF
3.0_MP
100PF
C521
3.0_MC
C526
100PF
C540
100PF
270nH
L307
C517
100NF
R522
NC
3.0_TX
C535
0
R513
3.0_RX
100PF
120PF
C343
R631
100K
100PF
C522
2
3
1
R515
10K
3.0_IF
Q507
5PF
C512
10NF
C336
C556
47NF
10NF
C393
4.7NF
R317
10K
C340
36
R510
100NF
C386
C387
100PF
RFIN RFOUT
4
SEL 6
VREF/PD
1
1K
R374
U360
GND1
2
5
GND2
3
1K
10
R376
33UF
C509
R312
1K
6.3V
0
R331
R521
L321
NC
R505
NC
L330
C378
100NF
C379
10UF
6.3V
C376
3PF
27PF
C513
3.0_MP
D302
1NF
C377
R370
10
L329
18nH
C382
1NF
3.3nH
L325
C383
3PF
C385
33NF
L311
180nH
36
R511
3.0_MA
12nH
L332
16V
4.7UF
C527
C344
5PF
R531
0
NC
3.0_MC
8
G6
10 IN+
IN-
9
OUT+ 5
4
OUT-
C312
F301
1
G1 G2
2
3
G3
6
G4 G5
7
C341
100NF
R553
3.0_SYN
R540
100K
NC
5PF
C323
470
C370
7PF
R377
C331
1NF
C346
120PF
1K
R644
100PF
C380
8.2nH
L327
1.2K
R372
L323
C566
1NF
22PF
220nH
C335
C371
100PF
3.0_RX
C381
10PF
C549
100NF
100NF
C515
3.0_TX
C374
NC
10NF
R556
R314
R378
NC
C511
470K
1NF
CN302
C384
L326
1.8NH
330PF
R371
10
VREG_MSMP
H5
VREG_RF_RX
G5
VREG_RF_TX
VREG_SYNT
H8
VREG_TCXO
G7
XTAL_BYP
A7
XTAL_IN
A6
XTAL_OUT
A5
VDD3
G8
VDD4
A3
VDD5
C1
VDD6
B3
VIBRATOR_DRV
VREG_IF
H7
VREG_MSMA
D6
E8
VREG_MSMC
D8
SLEEP_CLK
TCXO_IN
C7
TCXO_OUT
C8
VBAT1
F4
VBAT2
G4
VCHARGER
H1
VDD1
D7
VDD2
G6
H6
B4
C4
RESERVED
RINGER_DRV
A1
B1
RINGER_TONE
E3
SBCK
SBDT
E4
SBST
H4
SCI_IN
C6
C5
ICHARGEOUT
KBDPWR_ON
A8
A2
KEYBD_DRV
LCD_DRV
B2
B8
MSM_INTERRUPT
B6
NC
B7
PON_RESET/
A4
PS_HOLD
REF_BYP
F6
F7
GND8
D3
HKADC3
KHADC4
D2
D1
HKADC5
C3
HKADC6
HKADC7
C2
F3
ICHARGE
G2
F8
F2
GATE_LIMIT
GND1
D4
D5
GND2
GND3
E5
E6
GND4
GND5
E7
F5
GND6
GND7
BAT2_FET/
BATVOLT
H2
E2
BAT1_FET/
H3
CCNT1
CCNT2
G3
F1
CHARGER_SEL
CHG_FET/
G1
COIN_CELL
B5
EL_INTENSITY
U501
E1
3.0_SYN
U610
NC
C508
100NF
R319
910
10NF
C334
D303
R632
100K
3.0_MP
10UF
C389
6.3V
G
7
8
G
G
9
10
G
RX
13
TX
3
C505
16
G
17
G
G
19
20
G
G
2
4
G
G
5
6
G
ANT
18
1
G
G
11
12
G
G
14
15
G
10M
R528
F302
R542
4.7K
5PF
C318
R503
6.3V
10UF
C541
22K
R543
8.2K
NC
10V
1UF
C350
C319
R502
2.7K
C523
10V
1UF
C532
3.0_MP
16V
2.2UF
Q509
1
3
2
1
3
2
2
1
3.0_IF
3.0_TCXO
Q530
3.0_MC
R501
3.0_RX
C373
100PF
100NF
C510
C546
NC
3.0_IF
L410
47nH
C310
0
R529
2
3
4
1
NC
X501
100PF
3.0_RX
D350
C530
2.2UF
16V
C529
10K
R316
C533
1UF
10V
3.0_MP
100NF
C528
R539
C503
10NF
C504
100K
C534
100NF
10V
1UF
C536
R504
4.7K
47nH
L324
1
3
2
10K
R636
3.0_MA
Q350
VBATT
C337
100PF
3
10NF
C542
CN301
ANTCON
1
1
2
2
3
18PF
C391
2
3
1
Q502
C390
18PF
C398
1NF
C395
47NF
C396
4.7UF
16V
4.7NF
R313
33K
C525
4.7NF
C339
VBATT
R318
0
Q529
1
3
2
NC
R639
82K
R523
Q505
1
2
5
6
3
G
4
3
1
2
3.0_MP
D603
R375
0
L318
R506
C520
4.7UF
16V
1K
R534
NC
R536
6.8K
C524
3.0_MP
RX_LO
RFT-IFR_TCXO
MSM_TCXO
RFT-IFR_TCXO
100NF
PS_HOLD
BUZZER
VBATT
RINGER
LNA_GAIN
TXOUTPUT
PA
VBATT
HP_DET
PS_HOLD
ON_SW_SENSE
KBDPWR_ON
HP_PWR
ON_SW
EL_EN_A
RX_AGC_ADJ
RX_IF_DO
Q_OFFSET
I_OFFSET
KBDPWR_ON
SBCK
SBST
LED_ON
V_F_CON
V_F
MSM_INT
RESET
SBDT
TCXO_ON_OFF
SLEEP_CLK
TCXO
C_RX_QD(0:3)
C_RX_QD(3)
C_RX_QD(2)
C_RX_QD(1)
C_RX_QD(0)
C_RX_ID(0:3)
C_RX_ID(3)
C_RX_ID(2)
C_RX_ID(1)
C_RX_ID(0)
RXIF
_RXIF
RXIF
_RXIF
CX8
SLEEP
SBCK
SBDT
SBST
RX_IF_IN
(RX)