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ORG4572-R01-UAR Folha de dados(PDF) 28 Page - List of Unclassifed Manufacturers

Nome de Peças ORG4572-R01-UAR
Descrição Electrónicos  GNSS RECEIVER MODULE
PDF  40 Pages
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Fabricante Electrônico  ETC [List of Unclassifed Manufacturers]
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ORG4572-R01-UAR Folha de dados(HTML) 28 Page - List of Unclassifed Manufacturers

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Multi Spider - ORG4572 Datasheet
Revision 3.0
November 23, 2014
18. TYPICAL APPLICATION CIRCUIT
18.1. PASSIVE ANTENNA
FIGURE 11 – PASSIVE ANTENNA REFERENCE SCHEMATICS
18.2. ACTIVE ANTENNA
FIGURE 12 – ACTIVE ANTENNA REFERENCE SCHEMATICS
18.3. ANTENNA SWITCH
Contact OriginGPS for Application Note covering dual-antenna (on-board and external) design
combining RF switch with auto-sense, DC bias and short-circuit protection.
nCTS
U1
ORG4572-R01
GNSS module
ORIGINGPS
TX
11
RX
8
CTS
6
Vcc
12
GND
1
GND
3
GND
14
RESET
5
ON_OFF
9
1PPS
10
RTS
7
RF_IN
2
WAKEUP
4
GPIO2
16
GPIO1
15
NC
13
GPIO3
19
GPIO4
20
NC
17
NC
18
UART comm.
Inputs are 1.8V - 3.6V
Outputs are 1.8V
TX_GPS
TX
RX
RX_GPS
50 Ohm microstrip
GPS_ON
GPS_ON
RF_IN
ON_OFF
C3
18pF
C1
1uF
R1
10K
R3
47K
C2
18pF
R2
220R
R4
220R
R5
220R
ANT1
GNSS antenna
ORG12-4T-GNSS
ORIGINGPS
GPS_ON
RX
TX
1.8V
1.8V
nRTS_GPS
Active Antenna Bias-T
U1
ORG4572-C01
GNSS module
ORIGINGPS
TX
11
RX
8
CTS
6
Vcc
12
GND
1
GND
3
GND
14
RESET
5
ON_OFF
9
1PPS
10
RTS
7
RF_IN
2
WAKEUP
4
GPIO2
16
GPIO1
15
NC
13
GPIO3
19
GPIO4
20
NC
17
NC
18
nRESET_GPS
U1
__________________
Inputs are 1.8V - 3.6V
Outputs are 1.8V
ON_GPS
U3
ON
NTZD3155CT1G
Dn
6
Gn
2
Sn
1
Dp
3
Gp
5
Sp
4
R6
10K
R5
220R
L1
27nH
MURATA
LQG15HS27NJ02
Vant
Vant
ON_OFF
1PPS_GPS
WAKEUP_GPS
C1
18pF
U4
NFA31
MURATA
3
4
5
6
2
1
10
9
8
7
SPI_CLK
TX_GPS
RX_GPS
R3
2K2
1.8V
1.8V
R7
100K
UART_RX / SPI_MOSI / I2C SDA
UART_TX / SPI_MISO / I2C SCL
SPI_nCS
U2
MURATA
NFM18PC225B0J3
2
3
1
1.8V
C2
1uF
BIAS_EN
R4
2K2
ANT_IN
|R1 = 10K
|
UART|R2,R3,R4 = Do Not Assemble
|
__________________________________
SPI |R1,R2,R3,R4 = Do Not Assemble|
__________________________________
I2C |R2 = 10K
|
|R1 = Do Not Assemble
|
|R3,R4 = 2.2K
|
R2
10K
R1
10K
1.8V
nCTS_GPS
WAKEUP_GPS
RF_IN
J1
RF Connector



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