Linx GM Series Bedienungsanleitung

GM Series

Evaluation Module

User's Guide

Warning: Linx radio frequency (“RF”) products may be used to

control machinery or devices remotely, including machinery or devices

that can cause death, bodily injuries, and/or property damage if

improperly or inadvertently triggered, particularly in industrial settings or

other applications implicating life-safety concerns. No Linx Technologies

product is intended for use in any application without redundancies

where the safety of life or property is at risk.

The customers and users of devices and machinery controlled with

RF products must understand and must use all appropriate safety

procedures in connection with the devices, including without limitation,

using appropriate safety procedures to prevent inadvertent triggering by

the user of the device and using appropriate security codes to prevent

triggering of the remote controlled machine or device by users of other

remote controllers.

All RF products are susceptible to RF interference that can prevent

communication. Lack of good sight of the GPS satellites (open sky)

can affect the accuracy of a position ﬁx or prevent a ﬁx entirely.

Do not use any Linx product over the limits in this data guide.

Excessive voltage or extended operation at the maximum voltage could

cause product failure. Exceeding the reﬂow temperature proﬁle could

cause product failure which is not immediately evident.

Do not make any physical or electrical modiﬁcations to any Linx

product. This will void the warranty and regulatory and UL certiﬁcations

and may cause product failure which is not immediately evident.

!Table of Contents

1 Introduction

2 Ordering Information

2 ElectricalSpecications

3 PinAssignments

3 PCB Layout

3 Schematic

––

Introduction

The GM Series GNSS receiver module is a self-contained

high-performance Global Satellite Navigation System receiver. Based on

the MediaTek chipset, it can simultaneously acquire and track multiple

satellite constellations. These include the United States GPS system,

Europe’s GALILEO, Russia’s GLONASS and Japan’s QZSS.

The module provides exceptional sensitivity, even in dense foliage and

urban canyons. It’s very low power consumption helps maximize runtimes

in battery powered applications. Hybrid ephemeris prediction can be used

to achieve cold start times of less than 15 seconds. The module outputs

standard NMEA data.

The evaluation module contains the surface mount GM Series GNSS

module, SMA connector and a ferrite bead (used to supply power to an

external active antenna, such as the Linx SH Series active GPS antenna)

on a single board with through-hole headers. This small board makes

prototyping with the GM Series module very easy.

GM Series Evaluation Module

User's Guide

Revised 9/24/13

Figure 1: GM Series Evaluation Module

–– – –

2 3

Ordering Information

ElectricalSpecications

Warning: This product incorporates numerous static-sensitive

components. Always wear an ESD wrist strap and observe proper ESD

handling procedures when working with this device. Failure to observe

this precaution may result in module damage or failure.

Schematic

2-5

GND

VCC

VBACKUP

GND

TXD

RXD

1PPS

RESET

TXD

RXD

VCC

GND

ANT1

CONSMA001

GND

GND GND

1PPS

RESET

10 VBACKUP 11

VCC 12

NC 13

NC 14

NC 15

NC 16

VOUT 17

GND 18

RFIN 19

GND 20

GND

21 GND 22

RXM-GPS-GM

1PPS

VBACKUP

RESET

300ohm BEAD

Ordering Information

Part Number Description

EVM-GNSS-GM GM Series Evaluation Module

RXM-GNSS-GM GM Series GNSS Receiver Module

MDEV-GNSS-GM GM Series GNSS Receiver Master Development System

Figure 2: Ordering Information

Figure 3: Electrical Speciﬁcations

1.20”

(47.24)

0.10”

(2.54)

0.10”

(2.54)

0.10”

(2.54)

1.10”

(27.94)

1.00”

(25.40)

Ø0.04” x 10

(1.02)

PCB Layout

GM Series GNSS Receiver Speciﬁcations

Parameter Symbol Min. Typ. Max. Units Notes

Power Supply

Operating Voltage VCC 3.0 3.3 4.3 VDC

Supply Current lCC

Peak 150 mA 1

Acquisition 24 mA 1

Tracking 16 mA 1

Standby 0.365 mA 1

Backup Battery Voltage VBAT 2.0 4.3 VDC

Backup Battery Current IBAT 7 µA 2

Antenna Port

RF Impedance RIN 50 Ω

Environmental

Operating Temperature

Range –40 +85 °C

Storage Temperature

Range –40 +85 °C

1. VCC = 3.3V, without active antenna, ephemeris prediction is off

2. VCC = 0V

PinAssignments

GND

VCC

VBACKUP

GND

TXD

RXD

1PPS

RESET

GND

Figure 4: EVM-GNSS-GM Pin Assignments

Figure 5: EVM-GNSS-GM PCB Layout Dimensions

Figure 6: EVM-GNSS-GM Schematic

Linx Technologies

159 Ort Lane

Merlin, OR, US 97532

3090 Sterling Circle, Suite 200

Boulder, CO 80301

Phone: +1 541 471 6256

Fax: +1 541 471 6251

www.linxtechnologies.com

Disclaimer

Linx Technologies is continually striving to improve the quality and function of its products. For this reason, we

reserve the right to make changes to our products without notice. The information contained in this Data Guide

is believed to be accurate as of the time of publication. Speciﬁcations are based on representative lot samples.

Values may vary from lot-to-lot and are not guaranteed. “Typical” parameters can and do vary over lots and

application. Linx Technologies makes no guarantee, warranty, or representation regarding the suitability of any

product for use in any speciﬁc application. It is Customer’s responsibility to verify the suitability of the part for the

intended application. At Customer’s request, Linx Technologies may provide advice and assistance in designing

systems and remote control devices that employ Linx Technologies RF products, but responsibility for the ultimate

design and use of any such systems and devices remains entirely with Customer and/or user of the RF products.

LINX TECHNOLOGIES DISCLAIMS ANY AND ALL WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A

PARTICULAR PURPOSE. IN NO EVENT SHALL LINX TECHNOLOGIES BE LIABLE FOR ANY CUSTOMER’S OR

USER’S INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF OR RELATED TO THE DESIGN OR USE

OF A REMOTE CONTROL SYSTEM OR DEVICE EMPLOYING LINX TECHNOLOGIES RF PRODUCTS OR FOR ANY

OTHER BREACH OF CONTRACT BY LINX TECHNOLOGIES. CUSTOMER AND/OR USER ASSUME ALL RISKS

OF DEATH, BODILY INJURIES, OR PROPERTY DAMAGE ARISING OUT OF OR RELATED TO THE USE OF LINX

TECHNOLOGIES RF PRODUCTS, INCLUDING WITH RESPECT TO ANY SERVICES PROVIDED BY LINX RELATED

TO THE USE OF LINX TECHNOLOGIES RF PRODUCTS. LINX TECHNOLOGIES SHALL NOT BE LIABLE UNDER ANY

CIRCUMSTANCES FOR A CUSTOMER’S, USER’S, OR OTHER PERSON’S DEATH, BODILY INJURY, OR PROPERTY

DAMAGE ARISING OUT OF OR RELATED TO THE DESIGN OR USE OF A REMOTE CONTROL SYSTEM OR DEVICE

EMPLOYING LINX TECHNOLOGIES RF PRODUCTS.

The limitations on Linx Technologies’ liability are applicable to any and all claims or theories of recovery asserted

by Customer, including, without limitation, breach of contract, breach of warranty, strict liability, or negligence.

Customer assumes all liability (including, without limitation, liability for injury to person or property, economic loss,

or business interruption) for all claims, including claims from third parties, arising from the use of the Products.

Under no conditions will Linx Technologies be responsible for losses arising from the use or failure of the device

in any application, other than the repair, replacement, or refund limited to the original product purchase price.

Devices described in this publication may contain proprietary, patented, or copyrighted techniques, components,

or materials.

The stylized Linx logo, Wireless Made Simple, CipherLinx, WiSE and the stylized CL logo are trademarks of Linx Technologies.

Mouser Electronics

Authorized Distributor

Click to View Pricing, Inventory, Delivery & Lifecycle Information:

Linx Technologies:

MDEV-GNSS-GM EVM-GNSS-GM

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