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SkyTraq PX1172R - User Manual

SkyTraq PX1172R
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www.skytraq.com.tw
PX1172R
Features
Centimeter‐levelaccuracyRTKreceiver
Multi‐Band,Quad‐GNSS
17mmx22mmsize
NMEA‐0183andRTCM3.xprotocol
Easytointegrate
Operatingtemperature‐40~+85ºC
RoHScompliant
Applications
Machinecontrol&automation
Unmannedaerialvehicle
Precisionagriculture
GISdatacollection
Precisionheading&attitude
Compact‐SizeMulti‐BandGNSS
ReceiverforCentimeter‐Level
AccuracyApplications
The PX1172R offers centimeter‐level accuracy based on carrier
phase RTK technique and can be used for a wide range of
high‐accuracypositioningapplications.Its17mmx22mmstamp
size makes it ideal for mobile precision positioning application
requiringcompactformfactor.
ThereceiverreceivesRTCM3.xdatafromalocalbasestation,a
virtualreferencestation(VRS)inaNetworkRTKconfiguration,
oranotherSkyTraqRTKreceiversetupasinbasestationmode
toperformcarrierphaseRTKprocessing,achievingcentimeter
levelaccuraterelativepositioning.
The PX1172R receiver is based on SkyTraq’s high‐performance
Phoenix GNSS chipset, featuring fast signal acquisition search
engineandhigh‐sensitivitytrackengine.Searchengineperforms
16 million time‐frequency hypothesis testing per second,
offeringindustry‐leadingsignalacquisitionperformance.
Thereceiverisoptimizedformassmarketapplicationsrequiring
high‐precisioncentimeter‐levelaccuracy,high‐performance,low
power,andlowercost.

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Summary

Product Features and Applications

Key Product Features

Centimeter-level accuracy, Multi-Band GNSS, compact size, protocol support, operating temperature, and RoHS compliance.

Target Applications

Covers machine control, UAVs, precision agriculture, GIS data collection, and heading/attitude applications.

Technical Specifications

Performance Metrics

Details accuracy, time to first fix, RTK convergence speed, and maximum update rates.

Operational and Environmental Parameters

Includes operational limits, serial interface, input voltage, current consumption, dimensions, weight, temperature, and humidity.

Functional Description and RTCM Support

System Architecture and Operation

Explains the receiver's functional block diagram and how it processes GNSS signals for RTK.

Supported RTCM Messages

Lists and describes RTCM 3.3 message types supported by the receiver in rover and base modes.

Pinout Description

Pinout Diagram and Description Table

Provides a visual representation of pin assignments and a detailed table of pin names and functions.

Mechanical Dimensions

Module Dimensions and Layout

Presents a diagram with dimensions and a table detailing the mechanical size and pad layout of the module.

Electrical Specifications

Absolute Maximum Ratings

Specifies the voltage, power, and temperature limits that must not be exceeded for safe operation.

Operating Conditions

Outlines typical and minimum/maximum values for supply voltage, currents, and other environmental factors.

Application Circuit - Rover Mode Config 1

Configuration Diagram and Description

Illustrates the 'Precise Positioning, Rover Mode Configuration 1' setup for the application circuit.

Application Circuits - Rover & Moving Base Modes

Rover Mode Configuration 2

Details the application circuit setup for 'Precise Positioning, Rover Mode Configuration 2'.

Moving Base Mode Configuration

Describes the application circuit setup for 'Precise Heading, Moving Base Mode Configuration'.

Application Circuits - Advanced Moving Base Modes

Configuration #1 Details

Illustrates the 'Precise Positioning & Heading, Advanced Moving Base Mode Configuration #1'.

Configuration #2 Details

Illustrates the 'Precise Positioning & Heading, Advanced Moving Base Mode Configuration #2'.

System Integration and Performance

Recommended Reflow Profile

Provides guidelines for the temperature and time profile during SMT reflow soldering to prevent damage.

Antenna, Power, Backup, and 1 PPS Considerations

Covers antenna selection, power supply requirements, backup supply function, and 1PPS output.

Design, Handling, and Usage Guidelines

PCB Layout and RF Path Guidelines

Offers recommendations for PCB design to ensure optimal RF signal integrity and performance.

Handling, ESD, and RTK Usage Tips

Includes guidelines for module handling, ESD sensitivity, and conditions for achieving RTK fix.

NMEA Output Description

NMEA Sentence Structure and Messages

Explains the general structure of NMEA sentences and lists the supported message types from the receiver.

NMEA GGA - Global Positioning System Fix Data

GGA Structure and Field Explanations

Details the format and meaning of the NMEA GGA sentence for Global Positioning System Fix Data.

NMEA GLL - Latitude;Longitude

GLL Structure and Field Explanations

Describes the format and meaning of the NMEA GLL sentence for Latitude/Longitude data.

NMEA GSA - GNSS DOP and Active Satellites

GSA Structure and Field Explanations

Explains the format and meaning of the NMEA GSA sentence for GNSS DOP and active satellites.

NMEA GSV - GNSS Satellites in View

GSV Structure and Field Explanations

Details the format and meaning of the NMEA GSV sentence for GNSS satellites in view.

NMEA RMC - Recommended Minimum Specific GNSS Data

RMC Structure and Field Explanations

Describes the format and meaning of the NMEA RMC sentence for recommended minimum GNSS data.

NMEA VTG - Course Over Ground and Ground Speed

VTG Structure and Field Explanations

Explains the format and meaning of the NMEA VTG sentence for course and ground speed.

NMEA ZDA - TIME AND DATE

ZDA Structure and Field Explanations

Details the format and meaning of the NMEA ZDA sentence for UTC time, day, month, and year.

NMEA THS - True Heading and Status

THS Structure and Field Explanations

Describes the format and meaning of the NMEA THS sentence for true heading and status.

Proprietary STI,005 - Time Stamp Output

STI,005 Format and Field Details

Explains the custom STI,005 message format for time stamp output and its fields.

Proprietary STI,030 - 3 D GNSS Data

STI,030 Format and Field Details

Details the custom STI,030 message format for recommended minimum 3D GNSS data and its fields.

Proprietary STI,032 - RTK Baseline Data

STI,032 Format and Field Details

Explains the custom STI,032 message format for RTK baseline data and its fields.

Proprietary STI,033 - RTK RAW Measurement Data

STI,033 Format and Field Details

Details the custom STI,033 message format for RTK RAW measurement monitoring data and its fields.

Proprietary STI,035 - Rover Moving Base RTK Data

STI,035 Format and Field Details

Explains the custom STI,035 message format for rover moving base RTK data and its fields.

Ordering Information

Product Model and Description

Lists the product model number and provides a brief description of the GNSS RTK Receiver Module.

Revision History and Legal Information

Document Revision Log

Contains information about the revision history of the document, including dates and descriptions of changes.

Warranty and Liability Disclaimer

Provides important legal information regarding the product's warranty, use, and limitations of liability.

SkyTraq PX1172R Specifications

General IconGeneral
BrandSkyTraq
ModelPX1172R
CategoryReceiver
LanguageEnglish

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