SCH-A212 Circuit diagrams
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5-2
Sheet
H
C
8
G
City
3
Drawing Number
D
DOC CTRL CHK
TITLE
9
B
Engineer
5
E
F
of
Drawn by
11
8
COMPANY NAME
2
7
B
6
Date Changed
2
3
A
Time Changed
C
11
D
A
(i)
MFG ENGR CHK
SCH-A212
A2
1
4
Address
2
Size
1
QA CHK
12
F
Changed by
3
9
12
10
5
10
REV
6
R&D CHK
G
H
7
4
E
2001.10.08
LJC
4:55:22 pm
LJC
LJC
3.0
C235
1NF
100PF
C426
47PF
C237
100PF
C232
3.0_TCXO
10PF
C427
C414
20PF
C433
100PF
C1 2
C2 3
6 R1C1
1
R2
VINR1
4
VON/OFF
5
U202
470PF
C226
R202
C207
100PF
R424
0
1K
C437
100PF
0
R211
0
R221
1.2K
3.0_TX
R411
NC
220PF
C420
R212
C417
100NF
10K
R209
47nH
L411
4.7
C413
100PF
C234
56PF
R219
C411
100PF
C230
10NF
10K
R415
R416
C422
10NF
0
R409
10
100PF
C412
L201
C213
2.2UF
16V
3.0_TX
100PF
C408
12K
R210
R206
10K
R207
C211
560PF
R215
NC
NC
C242
10K
L211
100PF
3.0_TX_RF
0
3.0_TX
C423
3.0_TX_RF
R418
10
R420
C220
C431
100PF
VDDD
29
VDDM
20
6.3V
33UF
1
TX_Q
TX_QB
2
VCONTROL
8
5
VDDA1
9
VDDA2
VDDA3
10
11
VDDA4
VDDA5
16
VDDA6
18
23
SBDT
SBST
22
25
TCXO
30
TXVCO_T1
TXVCO_T2
31
3
TX_I
TX_IB
4
32
IREF
LOCK_DET
26
17
P
A_ON
13
PCSA_OUT
PCSB_OUT
12
27
PD_ISET
28
PD_OUT
19
RF_LO
SBCK
24
15
CELLA_OUT
CELLB_OUT
14
G
33
G
34
G
35
G
36
IF_BPF1
6
7
IF_BPF2
U204
21
AB_SEL
1M
100PF
C229
R425
R426
16
R410
1M
R643
100PF
51
C231
100PF
C438
C404
1NF
0
R404
C406
NC
C203
4.7NF
20V
C421
220NF
1UF
C227
L206
10nH
10V
C204
47PF
C415
33UF
6.3V
C215
100PF
10
R412
C208
10NF
3.0_TX_RF
4
VCC
OSC401
GND
2
OUT
3
1
VC
C407
1NF
L210
D201
C435
3.0_RX
560PF
C210
10NF
NC
C225
U404
GND1
1
4
GND2
RF_IN
2
RF_OUT
3
5.6nH
L406
C216
47PF
100NF
100PF
C432
C202
C236
1PF
NC
L408
270
R203
COUP
4
G
2
5
G
IN
1
ISO
6
3
OUT
C201
22PF
F401
8PF
C222
10NF
C214
100PF
C424
3.0_MP
C218
330
R646
56PF
R645
330
R647
18
16V
2.2UF
C209
L202
100K
R204
R220
4.7nH
C652
10NF
10NF
C419
1NF
C23
VREF
3
R218 4.7
10
G
G
11
12
G
LABEL
7
RFIN
2
5
RFOUT
1
VCC1
VCC2
4
U201
6
G
G
8
9
G
100K
R205
L209
33nH
2.2K
R414
R201
3.3nH
10
R406
C243
NC
L204
33nH
C219
10NF
L405
8.2nH
3.0_SYN
10NF
C425
3.0_TX_LO
0
R419
C418
10NF
TCXO_IN
8
VCC
23
24
VCC1
VP
2
22
VP1
_IF_IN
17
6
_RX_IN
GND3
9
GND4
GND5 10
13
GND6
GND7 16
19
GND8
GND9 21
18
IF_IN
RX_IN
5
12
D
ATA
14
DOIF
20
3
DO_RF
15
EN
11
FOLD
GND1 1
4
GND2
7
U402
CLK
G4
G5
8
OUT
1
7
VCC
5
VT
3.0_SYN
OSC402
2
G1
3
G2
G3
4 6
10NF
C410
3.0_TX
100PF
C436
R214
1.8K
D202
33nH
L205
3.0_TX_IF
NC
C224
C221
1NF
C409
R213
0
6PF
G
1
G
3
G
4
6
G
2
IN
OUT
5
5
L403
F201
U203
C1
2
C2
3
6
R1C1
1 R2
VINR1
4
VON/OFF
C416
3.0_TX
NC
C205
10NF
L402
C233
3.0_TX
C239
15PF
10NF
C428
C240
NC
47PF
R217
0
C238
C217
10NF
3.0_TX_IF
56PF
100
R216
C223
VBATT
TX_LO
TX_AGC_ADJ
TCXO
RX_IF_IN
RFT-IFR_TCXO
PA_ON
PA_R0
RX_LO
IREF
LOCK
PA_ON
TX_LO
SBCK
SBDT
SBST
TX_I
TX_IB
TX_QB
TX_Q
TXOUTPUT
RX_IF_DO
PLL_CLK
PLL_EN
PLL_DATA
TRK_LO_ADJ
(TX)
2. TX Circuit Diagram