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UNICORECOMM UM982-EB - User Manual

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HARDWARE
USER MANUAL
WWW.UNICORECOMM.COM
Copyright© 2009-2022, Unicore Communications, Inc.
Data subject to change without notice.
UM982-EB
Evaluation Board
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Summary

Foreword

Target Readers

This document is written for technicians familiar with GNSS modules.

Product Overview

Interfaces

Power Supply

3.3 V LDO Power Supply

Details the 3.3V output voltage provided by the LDO circuit for powering the UM982-EB.

5 V DC;DC Power Supply

Describes the 5V output voltage from the DC/DC boost circuit used to feed the antenna.

Backup Power Supply

Explains the requirement for backup power for the UM982 module's hot start function and its input voltage range.

Antenna Circuit

Antenna Short Protection Circuit

Details the antenna short protection circuit, its load management chip, and triggering conditions for protection.

Antenna Feed Circuit

Describes the antenna feed circuit components like anti-reverse current, anti-surge design, filters, and ESD protection.

LED Indicators

UM982 Peripheral Design

Debug Support

Summary

Foreword

Target Readers

This document is written for technicians familiar with GNSS modules.

Product Overview

Interfaces

Power Supply

3.3 V LDO Power Supply

Details the 3.3V output voltage provided by the LDO circuit for powering the UM982-EB.

5 V DC;DC Power Supply

Describes the 5V output voltage from the DC/DC boost circuit used to feed the antenna.

Backup Power Supply

Explains the requirement for backup power for the UM982 module's hot start function and its input voltage range.

Antenna Circuit

Antenna Short Protection Circuit

Details the antenna short protection circuit, its load management chip, and triggering conditions for protection.

Antenna Feed Circuit

Describes the antenna feed circuit components like anti-reverse current, anti-surge design, filters, and ESD protection.

LED Indicators

UM982 Peripheral Design

Debug Support

UNICORECOMM UM982-EB Specifications

General IconGeneral
Horizontal Accuracy1.5m
Data FormatRTCM 3.2
InterfacesUART, USB, CAN
Operating Temperature-40°C ~ +85°C
USB Ports1 x USB
Network1 x Ethernet, 1 x CAN