Skipper EML224 - JB60 CD-SA NMEA Circuits

Date: 2017-01-12
Page 21 of 68
OpInMan EML224/DL1 Compact Speed Log System
Electronics AS
A A
B B
C C
D D
E E
F F
G G
H H
1 1 2 2 3 3 4 4 5 5 6 6
TYPICAL NMEA 0183 CIRCUITS
Typical NMEA 0183 Input Galvanically separated. Revision 2.30 (1998): Max Load Current = 2 mA at 2 V Revision 1.9 (1985): Must withstand ± 15 V
Typical NMEA 0183 Output Revision 2.30 (1998): RS422 Signal levels and Drive Capabilities. Balanced Outputs 0 - 5 V nominal. Balanced Outputs 0 - 3.5 V @ 30 mA. Output current 30 mA.
A
4/5 NMEA I/O
NA
Misc_IO_Examples
2010.05.14 ØK2008.11.13 ØK
B
E C BC847A
A CA
BAV99
2 3
8 7 5
HCPL0201
0805
12
100R
0805
X7R
1 2
100n
21
0805
C0G
2 1
100p
21
BLM21A10
0805
C0G
2 1
100p
ENA ENA
INA INB
OUTA+
Q
uad 422
D r i v e r _ a
OUTA- OUTB+ OUTB-
VCC VSS
4
12
1 7
2 3 6 5 16 8
DS26C31TM
0805
12
300R
+5V
NMEA_IN_B NMEA_IN_A
NMEA_OUT_B NMEA_OUT_A
JB60CD-SA CONNECTION METHODS