Telit HE910-NAR Manuals

Manuals and User Guides for Telit HE910-NAR. We have 1 Telit HE910-NAR manual available for free PDF download: Hardware User's Manual

Telit Wireless Solutions HE910-NAR Hardware User's Manual

Telit Wireless Solutions HE910-NAR Hardware User's Manual (111 pages)

Brand: Telit Wireless Solutions | Category: Control Unit | Size: 2 MB

Table of Contents

Notice

2
Copyrights

2
Computer Software Copyrights

2
Usage and Disclosure Restrictions

3
Applicability Table

4
Contents

5
- Table of Contents
  5
1 Introduction

9
- Scope
  9
- Audience
  9
- Contact Info and Support
  9
- Text Conventions
  10
- Related Documents
  11
2 Overview

12
3 He910 Module Connections

13
4 Hardware Commands

30
- Turning on the HE910
  30
- VV0300925 Rev
  32
- Turning off the HE910
  35
- HE910 Unconditional Shutdown
  37
5 Power Supply

41
6 Gsm/Wcdma Radio Section

50
7 Gps Receiver

60
- GPS Performances
  60
- GPS Signals Pinout
  61
- RF Front End Design
  62
- RF Signal Requirements
  62
- GPS Antenna Polarization
  63
- GPS Antenna Gain
  64
- Active Versus Passive Antenna
  64
- GPS Antenna - PCB Line Guidelines
  65
- RF Trace Losses
  65
- Implications of the Pre-Select SAW Filter
  65
- External LNA Gain and Noise Figure
  66
- Powering the External LNA (Active Antenna)
  66
- External LNA Enable
  66
- Shielding
  67
- GPS Antenna - Installation
  67
8 Logic Level Specifications

68
- Unconditional Shutdown
  70
9 Usb Port

72
- USB 2.0 HS Description
  72
10 Spi Port

73
- SPI Connections
  73
11 Usb Hsic

75
12 Serial Ports

77
13 Audio Section Overview

84
- Electrical Characteristics
  84
- CODEC Examples
  84
14 General Purpose I/O

85
- GPIO Logic Levels
  86
- Using a GPIO Pad as INPUT
  87
- Using a GPIO Pad as OUTPUT
  87
- Indication of Network Service Availability
  88
- RTC Bypass out
  89
- External SIM Holder Implementation
  89
- VAUX Power Output
  89
- ADC Converter
  90
- Description
  90
- Using ADC Converter
  90
15 Mounting the He910 on the Application

91
- General
  91
- Module Finishing & Dimensions
  91
- Recommended Foot Print for the Application
  93
- Stencil
  94
- PCB Pad Design
  94
- PCB Pad Dimensions
  95
- Solder Paste
  97
- HE910 Solder Reflow
  97
  - Packing System (Tray)
    99
  - Packing System (Reel)
    102
- Carrier Tape Detail
  102
- Reel Detail
  103
- Packaging Detail
  104
  - Moisture Sensitivity
    104
16 Safety Recommandations

105
- FCC/IC Regulatory Notices
  106
  - Anatel Approvals
    108
  - Document History
    109

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