Sierra Wireless SL8080 850/900/1800/1900/2100 MHz multi-band Module User Manual HW Integration Guide

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Date Submitted	2010-09-21 00:00:00
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AirPrime SL8080
Hardware Integration Guide
2400058
Rev 0.1 (Draft A)
Preface
Important
Notice
Due to the nature of wireless communications, transmission and reception of data
can never be guaranteed. Data may be delayed, corrupted (i.e., have errors) or be
totally lost. Although significant delays or losses of data are rare when wireless
devices such as the Sierra Wireless modem are used in a normal manner with a
well-constructed network, the Sierra Wireless modem should not be used in
situations where failure to transmit or receive data could result in damage of any
kind to the user or any other party, including but not limited to personal injury,
death, or loss of property. Sierra Wireless accepts no responsibility for damages
of any kind resulting from delays or errors in data transmitted or received using
the Sierra Wireless modem, or for failure of the Sierra Wireless modem to
transmit or receive such data.
Safety and
Hazards
Do not operate the Sierra Wireless modem in areas where blasting is in progress,
where explosive atmospheres may be present, near medical equipment, near life
support equipment, or any equipment which may be susceptible to any form of
radio interference. In such areas, the Sierra Wireless modem MUST BE
POWERED OFF. The Sierra Wireless modem can transmit signals that could
interfere with this equipment.
Do not operate the Sierra Wireless modem in any aircraft, whether the aircraft is
on the ground or in flight. In aircraft, the Sierra Wireless modem MUST BE
POWERED OFF. When operating, the Sierra Wireless modem can transmit
signals that could interfere with various onboard systems.
Note: Some airlines may permit the use of cellular phones while the aircraft is on the
ground and the door is open. Sierra Wireless modems may be used at this time.
The driver or operator of any vehicle should not operate the Sierra Wireless
modem while in control of a vehicle. Doing so will detract from the driver or
operator's control and operation of that vehicle. In some states and provinces,
operating such communications devices while in control of a vehicle is an offence.
Limitation of
Liability
The information in this manual is subject to change without notice and does not
represent a commitment on the part of Sierra Wireless. SIERRA WIRELESS AND
ITS AFFILIATES SPECIFICALLY DISCLAIM LIABILITY FOR ANY AND ALL
DIRECT, INDIRECT, SPECIAL, GENERAL, INCIDENTAL, CONSEQUENTIAL,
PUNITIVE OR EXEMPLARY DAMAGES INCLUDING, BUT NOT LIMITED TO,
LOSS OF PROFITS OR REVENUE OR ANTICIPATED PROFITS OR REVENUE
ARISING OUT OF THE USE OR INABILITY TO USE ANY SIERRA WIRELESS
PRODUCT, EVEN IF SIERRA WIRELESS AND/OR ITS AFFILIATES HAS BEEN
ADVISED OF THE POSSIBILITY OF SUCH DAMAGES OR THEY ARE
FORESEEABLE OR FOR CLAIMS BY ANY THIRD PARTY.
Notwithstanding the foregoing, in no event shall Sierra Wireless and/or its
affiliates aggregate liability arising under or in connection with the Sierra Wireless
product, regardless of the number of events, occurrences, or claims giving rise to
liability, be in excess of the price paid by the purchaser for the Sierra Wireless
product.
Rev 0.1 (Draft A) Sep.10
Proprietary and Confidential
AirPrime SL8080 Series Hardware Integration Guide
Patents
This product includes technology licensed from QUALCOMM® 3G.
Manufactured or sold by Sierra Wireless or its licensees under one or more
patents licensed from InterDigital Group.
Copyright
©2010 Sierra Wireless. All rights reserved.
Trademarks
AirCard® and Watcher® are registered trademarks of Sierra Wireless. Sierra
Wireless™, AirPrime™, AirLink™, AirVantage™ and the Sierra Wireless logo are
trademarks of Sierra Wireless.
Windows® and Windows Vista® are registered trademarks of Microsoft
Corporation.
Macintosh® and Mac OS® are registered trademarks of Apple Inc., registered in
the U.S. and other countries.
QUALCOMM® is a registered trademark of QUALCOMM Incorporated. Used
under license.
Other trademarks are the property of their respective owners.
Contact
Information
Sales Desk:
Phone:
1-604-232-1488
Hours:
8:00 AM to 5:00 PM Pacific Time
E-mail:
sales@sierrawireless.com
Post:
Sierra Wireless
13811 Wireless Way
Richmond, BC
Canada
V6V 3A4
Fax:
1-604-231-1109
Web:
www.sierrawireless.com
Consult our website for up-to-date product descriptions, documentation,
application notes, firmware upgrades, troubleshooting tips, and press releases:
www.sierrawireless.com
Revision
History
Revision
number
Release date
Changes
0.1
September 2010
•
Initial creation
Proprietary and Confidential
2400058
Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Hardware development components . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Power Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Electrostatic discharge (ESD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Power states. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
RF Integration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Supported RF bands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Ground connection guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Shielding guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Antenna guidelines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Choosing the correct antenna and cabling . . . . . . . . . . . . . . . . . . . . . . . 12
Determining the antenna’s location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
RF desense sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Audio Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Audio function codec responsibilities . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Regulatory Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Important notice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Safety and hazards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Important compliance information for North American users . . . . . . . . . . . . 18
Acronyms and Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Rev 0.1 (Draft A) Sep.10
Proprietary and Confidential
AirPrime SL8080 Series Hardware Integration Guide
Proprietary and Confidential
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1
1: Introduction
The Sierra Wireless AirPrime SL8080 soldered-down module forms
the radio component for the products in which it is embedded.
Module-specific performance and physical characteristics are
described in the corresponding product specification document.
Note: An understanding of network technology, and experience in integrating
hardware components into electronic equipment is assumed.
Hardware development components
Sierra Wireless manufactures two hardware development
components to facilitate the hardware integration process:
•
AirPrime SL Socket-Up Board—Adapter board into which an SL
module is embedded. This board may be used as a stand-alone
platform for basic hardware development.
•
AirPrime SL Development Kit—Hardware development platform
that integrates with the socket-up board. The development kit
provides access to all of the interfaces supported by the SL
module.
For instructions on using the SL Development Kit, see the SL
Development Kit Quick Start Guide.
Rev 0.1 (Draft A) Sep.10
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AirPrime SL8080 Series Hardware Integration Guide
Proprietary and Confidential
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2
2: Power Interface
Power supply
The host device must provide power to the AirPrime soldered-down
module over pins 42 and 44 (VCC_3V6) as detailed in Table 2-1.
Table 2-1: Power supply requirements
Requirement type
Value
Power supply
3.6 V (nominal)
Voltage range (Vmin–Vmax)
3.3–4.3 V
Current (instantaneous (≤5 ms)
3A
Current (continuous)
700 mA
Note: The host must provide safe and continuous power to the module; the
module does NOT have protection circuits to guard against electrical
overstress.
Electrostatic discharge (ESD)
The host device must provide adequate ESD protection on digital
circuits and antenna ports as detailed in Table 2-2.
Note: The level of protection required depends on your application.
Table 2-2: ESD specifications
Category
Connection
Specification
Operational
RF port (antenna launch
and RF connector)
•
Non-operational
Host connector interface
Unless otherwise specified:
• JESD22-A114-B +/- 2kV Human Body Model
•
Signals
USIM connector
Other host signals
Rev 0.1 (Draft A) Sep.10
IEC-61000-4-2—Level (Electrostatic
Discharge Immunity Test)
JESD22-C101 +/- 300V Charged Device
Model
ESD protection is highly recommended at the
point where the USIM contacts are exposed, and
for any other signals that would be subjected to
ESD by the user.
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AirPrime SL8080 Series Hardware Integration Guide
Power states
The SL8080 module has five power states as detailed in Table 2-3.
Table 2-3: Supported SL808X power states
State
Normal
Description
•
Capable of placing/receiving calls or establishing data
connections on network
•
•
USB interface is fully active
RF
enabled




















Tx power
Receive gain settings
Data rate
Number of active Tx time slots
‘Airplane’ mode—Rx/Tx are disabled; USB interface is
active
Low power
•
State entered automatically when critical voltage/
temperature thresholds are exceeded. Host should
consider powering off module to prevent damage to unit.
•
•
Normal state of module between calls or data connections.
Sleep
•
•
Host power is connected
Off
•
•
Host power is disconnected from module
10
USB
interface
active
Radio band in use
•
Disconnected
Modem
powered
Current consumption in a call or data connection is
affected by:
·
·
·
·
·
(Default
state)
Host
powered
Module cycles between wake (polling the network) and
sleep, at network provider-determined interval.
Module is powered down (drawing minimal current from
host power supply)
All module-related voltages are at 0 V.
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3
3: RF Integration
Supported RF bands
Table 3-1: RF bands
Technology
Band
Frequencies
(MHz)
Tx
Supported
Rx
GSM 850
824–849
869–894

EGSM 900
880–915
925–960

DCS 1800
1710–1785
1805–1880

PCS 1900
1850–1910
1930–1990

Band I (WCDMA 2100)
1920–1980
2110–2170
Band II (WCDMA 1900)
1850–1910
1930–1990

Band V (WCDMA 850)
824–849
869–894

Band VIII (WCDMA 900)
880–915
925–960
GSM
WCDMAa
a. WCDMA channel spacing is 5 MHz, but this can be adjusted to optimize
performance in a particular deployment scenario.
Ground connection guidelines
When connecting the module to system ground:
•
Prevent noise leakage by establishing a very good ground
connection to the module through the host connector.
•
Minimize ground noise leakage into the RF.
Depending on the host board design, noise could potentially be
coupled to the module from the host board. This is mainly an
issue for host designs that have signals traveling along the length
of the module, or circuitry operating at both ends of the module
interconnects.
Shielding guidelines
The module is fully shielded to protect against EMI and to ensure
compliance with FCC Part 15 - “Radio Frequency Devices” (or
equivalent regulations in other jurisdictions).
Note: This shielding must NOT be removed.
Rev 0.1 (Draft A) Sep.10
Proprietary and Confidential
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AirPrime SL8080 Series Hardware Integration Guide
Antenna guidelines
Choosing the correct antenna and cabling
Consider the following points for appropriate antenna selection:
•
The antenna (and associated circuitry) should have a nominal impedance of
50  with a return loss of better than 10 dB across each frequency band of
operation.
•
The system gain value affects both radiated power and regulatory (FCC, IC,
CE, etc.) test results.
Determining the antenna’s location
Consider the following points when deciding where to place the antenna:
•
Antenna location may affect RF performance. Although the module is
shielded to prevent interference in most applications, the placement of the
antenna is still very important—if the host device is insufficiently shielded,
high levels of broadband or spurious noise can degrade the module’s performance.
•
Connecting cables between the module and the antenna must have 50 
impedance. If the impedance of the module is mismatched, RF performance
is reduced significantly.
•
Antenna cables should be routed, if possible, away from noise sources
(switching power supplies, LCD assemblies, etc.). If the cables are near the
noise sources, the noise may be coupled into the RF cable and into the
antenna.
RF desense sources
Common sources of interference that may affect the module’s RF performance
(RF desense) include
12
•
Power supply noise
· Can lead to noise in the RF signal
· Module power supply ripple limit <= 100 mVp-p 1 Hz–100฀kHz
•
Interference from other embedded wireless devices
· Any harmonics, sub-harmonics, or cross-products of signals that fall in the
module’s Rx range may cause spurious response, resulting in decreased
Rx performanc.
· Tx power and corresponding broadband noise may overload or increase
the noise floor of the module’s receiver, resulting in RF desense.
· Severity of interference depends on proximity of other antennas to the
module’s antenna.s
•
Host electronic device-generated RF
· Proximity of host electronics to the module’s antenna can contribute to
decreased Rx performance.
· Some devices include microprocessor and memory, display panel and
dispaly drivers, and switching mode power supplies.
Proprietary and Confidential
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Note: In practice, there are usually numerous interfering frequencies and harmonics. The
net effect can be a series of desensitized receive channels.
Rev 0.1 (Draft A) Sep.10
Proprietary and Confidential
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AirPrime SL8080 Series Hardware Integration Guide
14
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4
4: Audio Interface
The module supports analog and PCM audio as summarized in
Table 4-1 and Table 4-2. Refer to the product specification document
for detailed information about the audio interfaces.
Table 4-1: Audio interface features
Audio type
Feature
Analog
Details
•
Supports analog audio processing
•
Does not provide on-board filtering (except for blocking
capacitors on microphone lines)
•
Host must provide bias and signal filters
•
Host should terminate unused audio lines with pull-down
resistors
Implementation
•
Primary PCM supported to interface with external codec
Power
•
1.8V (use VREG_MSME_1V8 as logic reference)
Implementation
Digital
(PCM)
Table 4-2: Audio pins
Audio type
Name
Pin
Description
Notes
•
In series with 0.1 μF DC
blocking capacitor
54
Microphone negative terminal •
In series with 0.1 μF DC
blocking capacitor
SPK_N
56
Speaker negative terminal
SPK_P
57
Speaker positive terminal
PCM_SYNC
64
PCM synchronization bit
PCM_DOUT
65
PCM output
PCM_DIN
66
PCM input
PCM_CLK
67
PCM clock
MIC_P
53
MIC_N
Microphone positive terminal
Analog
Digital (PCM)
Rev 0.1 (Draft A) Sep.10
Proprietary and Confidential
•
8 KHz
•
2 MHz for primary PCM
mode
15
AirPrime SL8080 Series Hardware Integration Guide
Audio function codec responsibilities
The responsibilities of the module codec and host codec for special functions are
detailed in Table 4-3 on page 16.
Table 4-3: Codecs responsible for special functions
Responsible codec
Function
Module
Host
FIR filtering
Tx and Rx paths

Noise
suppression
Required due to high sensitivity and gain in Tx path

Echo
cancellation
Different for each audio path and environment (handset, headset, car kit,
speakerphone)

High pass
filtering/slope
filtering functions
Required per phone acoustic requirements

AGC (Automatic
Gain Control)
Normalizes audio volumes in varying acoustic environments

DTMF tones
Generation and detection of DTMF tones is required in both directions of the phone
interface

Comfort noise
Low level noise injected into Rx path for user ‘connection’ experience

Simple ringers
Digital and analog tones, melody ringers, MIDI with limited memory storage

Voice memo
Performed by host if significant memory storage is required

Polyphonic
ringtones
Host ovten supports WAV, MIDI formats with significant memory storage

Path switching
Turn on audio path depending on user interface selection, or headset detection

Path mixing
Required for voice memo recording and playback via multiple audio paths

Transducer
interfaces
Host provides acoustic drivers.
Must occur outside of path switching and mixing

Adjustable gain/
volume settings
Based on user interface selections




DTMF/ringer
tone generation
16
Proprietary and Confidential
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A
A: Regulatory Information
Important notice
Because of the nature of wireless communications, transmission and
reception of data can never be guaranteed. Data may be delayed,
corrupted (i.e., have errors) or be totally lost. Although significant
delays or losses of data are rare when wireless devices such as the
Sierra Wireless modem are used in a normal manner with a wellconstructed network, the Sierra Wireless modem should not be used
in situations where failure to transmit or receive data could result in
damage of any kind to the user or any other party, including but not
limited to personal injury, death, or loss of property. Sierra Wireless
and its affiliates accept no responsibility for damages of any kind
resulting from delays or errors in data transmitted or received using
the Sierra Wireless modem, or for failure of the Sierra Wireless
modem to transmit or receive such data.
Safety and hazards
Do not operate your SL8080 modem:
•
In areas where blasting is in progress
•
Where explosive atmospheres may be present including
refuelling points, fuel depots, and chemical plants
•
Near medical equipment, life support equipment, or any
equipment which may be susceptible to any form of radio interference. In such areas, the SL8080 modem MUST BE
POWERED OFF. Otherwise, the SL8080 modem can transmit
signals that could interfere with this equipment.
In an aircraft, the SL8080 modem MUST BE POWERED OFF.
Otherwise, the SL8080 modem can transmit signals that could
interfere with various onboard systems and may be dangerous to the
operation of the aircraft or disrupt the cellular network. Use of a
cellular phone in an aircraft is illegal in some jurisdictions. Failure to
observe this instruction may lead to suspension or denial of cellular
telephone services to the offender, or legal action or both.
Some airlines may permit the use of cellular phones while the aircraft
is on the ground and the door is open. The SL8080 modem may be
used normally at this time.
Rev 0.1 (Draft A) Sep.10
Proprietary and Confidential
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AirPrime SL8080 Series Hardware Integration Guide
Important compliance information for
North American users
The SL8080 modem has been granted modular approval for mobile applications.
Integrators may use the SL8080 modem in their final products without additional
FCC/IC (Industry Canada) certification if they meet the following conditions.
Otherwise, additional FCC/IC approvals must be obtained.
1. At least 20 cm separation distance between the antenna and the user’s body
must be maintained at all times.
2. To comply with FCC / IC regulations limiting both maximum RF output power
and human exposure to RF radiation, the maximum antenna gain including
cable loss in a mobile-only exposure condition must not exceed 6 dBi in the
cellular band and 3.5 dBi in the PCS band.
3. The SL8080 modem and its antenna must not be co-located or operating in
conjunction with any other transmitter or antenna within a host device.
4. A label must be affixed to the outside of the end product into which the
SL8080 modem is incorporated, with a statement similar to the following:
· For SL8080:
This device contains FCC ID: N7NSL8080
This equipment contains equipment certified under IC: 2417C-SL8080
5. A user manual with the end product must clearly indicate the operating
requirements and conditions that must be observed to ensure compliance
with current FCC / IC RF exposure guidelines.
The end product with an embedded SL8080 modem may also need to pass the
FCC Part 15 unintentional emission testing requirements and be properly
authorized per FCC Part 15.
Note: If this module is intended for use in a portable device, you are responsible
for separate approval to satisfy the SAR requirements of FCC Part 2.1093 and IC
RSS-102.
18
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B
B: Acronyms and Definitions
Table B-1: Acronyms and definitions
Acronym or term
Definition
AGC
Automatic Gain Control
BER
Bit Error Rate - a measure of receive sensitivity
BLER
Block Error Rate
Call Box
Base Station Simulator - Agilent E8285A or 8960, Rohde & Schwarz
CMU200
CDMA
Code Division Multiple Access
dB
Decibel = 10 x log10 (P1/P2)
P1 is calculated power; P2 is reference power
Decibel = 20 x log10 (V1/V2)
V1 is calculated voltage, V2 is reference voltage
dBm
Decibels, relative to 1 mW - Decibel(mW) = 10 x log10 (Pwr (mW)/1mW)
DUT
Device Under Test
EDGE
Enhanced Data rates for GSM Evolution
EM
Embedded Module
ESD
ElectroStatic Discharge
FER
Frame Error Rate - a measure of receive sensitivity
GPRS
General Packet Radio Services
GPS
Global Positioning System
GSM
Global System for Mobile communications
Hz
Hertz = 1 cycle/second
inrush current
Peak current drawn when a device is connected or powered on
IS-2000
3G radio standards for voice and data (CDMA only)
IS-95
2G radio standards targeted for voice (cdmaONE)
LDO
Low Drop Out - refers to linear regulator
MHz
MegaHertz = 10E6 Hertz (Hertz = 1 cycle/second)
MIO
Module Input/Output
MPE
Maximum Permissible Exposure—the level of radiation to which a person
may be exposed without hazardous effect or adverse biological changes
OTA
Over-The-Air or Radiated through the antenna
Rev 0.1 (Draft A) Sep.10
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AirPrime SL8080 Series Hardware Integration Guide
Table B-1: Acronyms and definitions
Acronym or term
20
Definition
PCS
Personal Communication System - PCS spans the 1.9 GHz radio spectrum
RF
Radio Frequency
RMS
Root Mean Square
SA
Selective Availability
Sensitivity (Audio)
Measure of lowest power signal that the receiver can measure
Sensitivity (RF)
Measure of lowest power signal at the receiver input that can provide a
prescribed BER/BLER/SNR value at the receiver output.
SIM
Subscriber Identity Module
SL8080
Sierra Wireless AirPrime soldered-down module used on GSM/UMTS
networks
SNR
Signal to Noise Ratio
SOF
Start of Frame - a USB function
UART
Universal Asynchronous Receiver Transmitter
UMTS
Universal Mobile Telecommunications System
USB
Universal Serial Bus
USIM
Universal Subscriber Identity Module
VCC
Supply voltage
WCDMA
Wideband Code Division Multiple Access—In this document, the term
“UMTS” is used instead of “WCDMA”.
XIM
In this document, XIM is used as part of the contact identifiers for the USIM
interface (XIM_VCC, XIM_CLK, etc.).
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