MIC
SPEAKER
L201
L202
L203
D201
VSS
VDD
Q203
39K
R205
3.3K
R202
Q204
12K
R206
0.01 KB
C204
0.01 KB
C205
D203
100P JC
C203
SPM
SPP
MIC
RXDATA
ID
D202
10
R214
6.3V/330u
C226
22
R217
15K
R215
4700P
C214
15K
R211
0.1 KB
C210
82K
R234
0.1 KB
C247
27K
R232
27K
R233
4700P
C244
0.47u ZF
C236
0.1 ZF
C221
1800P KBV
C220
0.47u ZF
C224
10K
R213
0.068 KB
C217
0.068 KB
C223
0.01 KB
C216
10K
R218
0.01 KB
C212
0.01 KB
C219
56K
R209
100K
R210
6.3V/10u
C225
470P
C240
1 ZF
C232
1 ZF
C237
1 ZF
C235
0.1 ZF
C239
0.1 ZF
C242
0.01 KB
C218
0.1 KB
C213
TP209
10K
R220
100
R221
0.1 KB
C233
0
R229
2.2K
R208
0.01 KB
C208
100K
R235
8200P
C251
CN201
1
GND
2
MIC1
3
MIC2
4
SP2
5
SP1
33K
R228
0.1 KB
C231
CHARGE
CN202
1 BATT+
2 BATT-
RX
TX
15K
R240
100P JC
C238
C201
10K
R203
6.3V/47u
C209
TP212
C207
6.3V/10u
C206
D204
1 ZF
C234
R230
EXP
EVOL
VREF
COMP
ZAP
RESET
30ms
BATTLOW
3. 5V ± 1%
Power Down
3. 2V ± 2%
RXREG
3. 0V±3%
36mA
TXREG
3. 0V±3%
34mA
BGR
COMPANDER
REG
3.0V
SPAMP
Pre-AMP
Splatter
Filter
DATA-Filter
BOZ
IC201
1
SPVCC
2
SPGND
3
BTL
4
BOZSW
5
SPOUT
6
HSREF
7
SPREF
8
REF
9
SPSW
10
SPIN
11
EXPOUT
12
EV1
13
EV2
14
TXDET
15
GND1
16
VREF
17
SFOUT
18
SFIN
19
COMPOUT
20
COMPCONT
21
COMPDET
22
COMPIN
23
MICOUT
24
MIC1
25
MIC2
26
MICMUTE
27
RXSWOUT
28
TXREG
29
TXB
30
VCC1-2
31
VCC1-1
32
RXB
33
RXREG
34
/BATTLOW
35
/PWRDOWN
36
GND2
37
/RESET
38
ZMW
39
/TXPOWER
40
/RXPOWER
41
ZGND
42
PE
43
ZME
44
PDIN
45
BLIN
46
DOUT2
47
DIN2
48
DOUT1
49
DIN1
50
VCC2-2
51
VCC2-1
52
VREG
53
PREIN
54
PREOUT
55
EXPDET
56
SPMUTE
6800P
C228
33K
R224
220
R201
12
R204
Q202
Q201
33
R231
RINGER
R280
0
CHG(+)
CHG(C)
CHG(-)
J202
0.1 ZF
C202
0.1 ZF
C271
100K
R207
1K
R223
J203
R226
C222
C211
D205
NC
R222
R216
C215
D206
NC
0
R219
0
R212
Q205
R236
C246
C229
R225
R227
C230
CHG(+)
CHG(C)
CHG(-)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
(18)
(20)
(22)
(19)
(21)
(23)
NC
TX Signal
92 mV
22 mV
45 mV
6 mV
TX
INPUT
55 mV
3.9 V
RX Signal
