Polaris Alpha User Manual

7
3-2 Pinout of 6-Pin Connector
1 62 3 4 5
Figure 3-2
The red spot indicates the top side.
No.
Description
I/O
Voltage
Min
Max
1
Power input to Alpha when USB connector power unconnected
Power output from Alpha if USB connector power is connected
PWR
3.3V
4.6V
5.5V
5.0V
2
UART input for base data, RTCM3.x or SkyTraq raw
measurement format
IN
3.0V
3.6V
3
UART output for NMEA message
OUT
3.0V
3.3V
4, 5
NC
6
Ground
PWR
Table 3-2
3-3 Pinout of 4-Pin Connector
1 234
Figure 3-3
The red spot indicates the top side
No.
Description
I/O
Voltage
Min
Max
1
DC power output from Alpha to external device
OUT
3.1V
3.3V
2
1PPS (1 pulse per second) output signal
OUT
3.1V
3.3V
3
External camera trigger input signal
IN
1.5V
5.0V
4
Ground
IN

Polaris Alpha Specifications

General

Frequency Range	20 MHz to 6 GHz
Instantaneous Bandwidth	40 MHz
Dynamic Range	80 dB
Power Supply	12V DC
Interface	Ethernet