5-10
Schematic Diagrams
5-10 Interface Connector
0603
RF
SCL
+VBATT TO BE THICK TRACK UP TO U802 AND PAS (area fill)
GND4
TXD
SDA
CF
D176-179 CLOSE TO J176
VF
-VBATT
SPK2N
RTS
GND2
DCVOLT TO BE THICK TRACK UP TO R293 AND PAS (area fill)
SPK2P
ANT
GND1
GND3
DCVOLT1
+VBATT
MIC2P
RXD
0603, coilcraft only
MIC2N
DCVOLT2
0603
LAYOUT NOTES
GND5
+3VBB
CTS
0603
BOOT
1
2
345
COAX_CABLE
W176
SMF05
D101
I2
20
I20
21
I21
22
I22
23
I23
24
I24
25
I25
26
I26
3
I3
4
I4
5
I5
6
I6
7
I7
8
I8
9
I9
+VBATT
INTERFACE CONNECTOR
J176
1
I1
10
I10
11
I11
12
I12
13
I13
14
I14
15
I15
16
I16
17
I17
18
I18
19
I19
2
2.2pF
C177
NC
L176
+3VBB
R105
100
100
D104
VC060305A150
D179
VC060314A300
1
2
R187
C176 NC
100
R182
0
R184
R183
100
100
R180
R181
100
L177 12nH
R179
100
100
R178
33nF
R177
100
C180
C181
33nF
33nF
C179
C178
L175 2.7nH
33nF
100
R188
100
R186
R185
100
1
2
345
SMF05
D176
1
2
345
A176
ANTENNA CLIP
VC060305A150
D103
D102
SMF05
MIC2N
MIC2P
SPK2P
RS232_CTS
RS232_RXD
RS232_TXD
SCL
SDA
+VBATT
ANT
VF
DCVOLT
+3VBB
SPK2N
RS232_RTS
MAX4.2_BOOT