Download Micro Spider - ORG4475 Datasheet

16. Typical Application Circuit
16.1. ORG447X series
Active Antenna Bias
Vant
R1
100K
Dn
U2
6
W AKEU P_GPS
Gn
BI AS_EN
Gp
Vant
2
Sn
Sp
1
4
5
C1
3
18pF
Dp
ON
NTZD3155CT1G
SOT-563
GPS_VCC
L1
MURATA
LQG15HS27NJ02
27nH
J1
RF Connector
U1
GPS Engine
1
2
3
RF_IN
12
Vcc
GND
RF_IN
GND
CTS
RTS
TX
nRESET_GPS 5
ON /OF F _GPS 9
W AKEU P_GPS 4
1PP S_GPS
10
RESET
RX
ON_OFF
DR_SCL
WAKEUP
DR_SDA
1PPS
RTC
NEP
GND
17
14
6
nC TS_GPS
7
nR TS_GPS
11
TX_GPS
8
RX_GPS
16
15
13
ORIGINGPS
ORG447X
LGA77
FIGURE 2 – ORG447X SERIES CIRCUIT
16.2. ORG1408
Vcc
Vant
FB1
ASSEMBLE FERRITE BEAD FOR ACTIVE ANTENNA
1K @ 100MHz
9
3
V1V8
18
19
20
ON_OFF_GPS
WAKEUP_GPS
nRESET_GPS
R1
R2
R3
0R
ON _OFF 17
0R
WAKEUP 15
0R
nR ESET 16
8
VTX
VCC
7
R4
VANT
DR_SDA
DR_SCL
EIT
1PPS_GPS
C1
18pF
1PPS
ON_OFF
21
1PPS
U1
WAKEUP
5
SE 4
SCK
6
SDO 22
SDI
RESET
GND1 GND2 GND3 GND4 GND5
10
100R
11
12
13
2
TX
1
RX
TX
RX
R5
100R
R6
220R
TX_GPS
RX_GPS
14
TX HAS LEVEL TRANSLATOR AS SET BY VTX
INPUTS ARE 3.6V TOLERANT
Connector
FIGURE 3 – ORG1408 CIRCUIT
ORG9805 Antenna Datasheet
Revision 3.0
Page 7 of 11
June 21, 2015