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unicore UM982eb - User Manual

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HARDWARE
USER MANUAL
WWW.UNICORECOMM.COM
Copyright© 2009-2023, Unicore Communications, Inc.
Data subject to change without notice.
UM982eb
Evaluation Board
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Summary

Foreword

Target Readers

Identifies the intended audience as technicians familiar with GNSS modules.

Product Overview

Interfaces

Power Supply

3.3 V LDO Power Supply

Details the 3.3V LDO circuit which provides power to the UM982eb.

5 V DC;DC Power Supply

Explains the 5V DC/DC boost circuit used to feed power to the antenna.

Backup Power Supply

Discusses the backup power supply requirement for the UM982 module's hot start function.

Antenna Circuit

Antenna Short Protection Circuit

Describes the circuit that triggers protection when antenna current exceeds 100 mA.

Antenna Feed Circuit

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

LED Indicators

UM982 Peripheral Design

Debug Support

Appendix

Summary

Foreword

Target Readers

Identifies the intended audience as technicians familiar with GNSS modules.

Product Overview

Interfaces

Power Supply

3.3 V LDO Power Supply

Details the 3.3V LDO circuit which provides power to the UM982eb.

5 V DC;DC Power Supply

Explains the 5V DC/DC boost circuit used to feed power to the antenna.

Backup Power Supply

Discusses the backup power supply requirement for the UM982 module's hot start function.

Antenna Circuit

Antenna Short Protection Circuit

Describes the circuit that triggers protection when antenna current exceeds 100 mA.

Antenna Feed Circuit

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

LED Indicators

UM982 Peripheral Design

Debug Support

Appendix

unicore UM982eb Specifications

General IconGeneral
Brandunicore
ModelUM982eb
CategoryMotherboard
LanguageEnglish