THE USE OF THE PRODUCT INCLUDING THE SOFTWARE AND DOCUMENTATION (THE "PRODUCT") IS SUBJECT TO THE RELEASE NOTE PROVIDED TOGETHER WITH PRODUCT. IN ANY
EVENT THE PROVISIONS OF THE RELEASE NOTE SHALL PREVAIL. THIS DOCUMENT CONTAINS INFORMATION ON CINTERION PRODUCTS. THE SPECIFICATIONS IN THIS DOCUMENT
ARE SUBJECT TO CHANGE AT CINTERION'S DISCRETION. CINTERION WIRELESS MODULES
GMBH GRANTS A NON-EXCLUSIVE RIGHT TO USE THE PRODUCT. THE RECIPIENT SHALL NOT
TRANSFER, COPY, MODIFY, TRANSLATE, REVERSE ENGINEER, CREATE DERIVATIVE WORKS;
DISASSEMBLE OR DECOMPILE THE PRODUCT OR OTHERWISE USE THE PRODUCT EXCEPT
AS SPECIFICALLY AUTHORIZED. THE PRODUCT AND THIS DOCUMENT ARE PROVIDED ON AN
"AS IS" BASIS ONLY AND MAY CONTAIN DEFICIENCIES OR INADEQUACIES. TO THE MAXIMUM
EXTENT PERMITTED BY APPLICABLE LAW, CINTERION WIRELESS MODULES GMBH DISCLAIMS ALL WARRANTIES AND LIABILITIES. THE RECIPIENT UNDERTAKES FOR AN UNLIMITED
PERIOD OF TIME TO OBSERVE SECRECY REGARDING ANY INFORMATION AND DATA PROVIDED TO HIM IN THE CONTEXT OF THE DELIVERY OF THE PRODUCT. THIS GENERAL NOTE
SHALL BE GOVERNED AND CONSTRUED ACCORDING TO GERMAN LAW.
Copyright
Transmittal, reproduction, dissemination and/or editing of this document as well as utilization of its contents and communication thereof to others without express authorization are prohibited. Offenders will
be held liable for payment of damages. All rights created by patent grant or registration of a utility model
or design patent are reserved.
Microsoft and Windows are either registered trademarks or trademarks of Microsoft Corporation in the
United States and/or other countries. CDMA2000 is a registered cer tification mark of the Tele communications Industry Association. All other registered trad emarks or tr ademar ks men tioned in this document
are property of their respective owners.
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Figure 10:Reference equipment for type approval......................................................... 34
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0 Document History
6
0Document History
Preceding document: "PVS8 Hardware Interface Description" Version 03.000
New document: "PVS8 Hardware Interface Description" Version 03.000a
ChapterWhat is new
8.2Revised antenna gain limit for 850 MHz band.
9.1Added module label number.
New document: "PVS8 Hardware Interface Description" Version 00.001
ChapterWhat is new
--Initial document setup.
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1 Introduction
14
1Introduction
The document1 describes the hardware of the PVS8 module, designed to connect to a cellular
device application and the air interface. It helps you quickly retrieve interface specifications,
electrical and mechanical details and information on the requirements to be considered for integrating further components.
1.1Related Documents
[1]PVS8 AT Command Set
[2]PVS8 Release Notes
[3]DSB75 Support Box - Evaluation Kit for Cinterion Wireless Modules
[4]Application Note 48: SMT Module Integration
[5]Universal Serial Bus Specification Revision 2.0, April 27, 2000
1.2Terms and Abbreviations
AbbreviationDescription
AGPSAssisted GPS
ANSIAmerican National Standards Institute
AMRAdaptive Multirate
ARPAntenna Reference Point
BBBaseband
BCBand Class
BEPBit Error Probability
BTSBase Transceiver Station
CB or CBMCell Broadcast Message
CDMACode Division Multiple Access
CEConformité Européene (European Conformity)
CSCoding Scheme
CSCircuit Switched
CSDCircuit Switched Data
CTMCellular Text Modem
DACDigital-to-Analog Converter
DCSDigital Cellular System
DLDownload
DRXDiscontinuous Reception
DSBDevelopment Support Board
1.
The document is effective only if listed in the appropriate Release Notes as part of the technical
documentation delivered with your Cinterion Wireless Modules product.
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1.2 Terms and Abbreviations
14
AbbreviationDescription
DSPDigital Signal Processor
DTMFDual Tone Multi Frequency
DTXDiscontinuous Transmission
EFREnhanced Full Rate
EMCElectromagnetic Compatibility
ERPEffective Radiated Power
ESDElectrostatic Discharge
ETSIEuropean Telecommunications Standards Institute
EVRCEnhanced Variable Rate Codec
FCCFederal Communications Commission (U.S.)
FDDFrequency Division Duplex
FDMAFrequency Division Multiple Access
FLForward Link
FRFull Rate
GLONASSGlobalnaja Nawigazionnaja Sputnikowaja Sistema
GNSSGlobal Navigation Satellite System
GPSGlobal Positioning System
HiZHigh Impedance
HRHalf Rate
I/OInput/Output
IFIntermediate Frequency
IMEIInternational Mobile Equipment Identity
ISOInternational Standards Organization
ITUInternational Telecommunications Union
kbpskbits per second
LEDLight Emitting Diode
LGALand Grid Array
MBBMo ist ur e ba rr ier bag
MbpsMbits per second
MCSModulation and Coding Scheme
MOMobile Originated
MSMobile Station, also referred to as TE
MSLMoisture Sensitivity Level
MTMobile Terminated
NBNarrow Band
NMEANational Marine Electronics Association
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1.2 Terms and Abbreviations
14
AbbreviationDescription
NTCNegative Temperature Coefficient
PBCCHPacket Switched Broadcast Control Channel
PCBPrinted Circuit Board
PCLPower Control Level
PCMPulse Code Modulation
PCSPersonal Communication System, also referred to as GSM 1900
PDPull Down resistor (appr. 100k)
PDUProtocol Data Unit
PSPacket Switched
PUPull Up resistor (appr. 100k)
QAMQuadrature Amplitude Modulation
RFRadio Frequency
RLReverse Link
ROPRRadio Output Power Reduction
RTCReal Time Clock
RxReceive Direction
SARSpecific Absorption Rate
SCISlot Cycle Index
SELVSafety Extra Low Voltage
SLICSubscriber Line Interface Circuit
SMPLSudden Momentary Power Loss
SMDSurface Mount Device
SMSShort Message Service
SMTSurface Mount Technology
SNRSignal-to-Noise Ratio
SRAMStatic Random Access Memory
SRBSignalling Radio Bearer
SUPLSecure User Plane Location
TDMATime Division Multiple Access
TETerminal Equipment
TPCTransmit Power Control
TTFFTime To First Fix
TxTransmit Direction
ULUpload
URCUnsolicited Res ult Code
USBUniversal Serial Bus
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1.3 Regulatory and Type Approval Information
14
1.3Regulatory and Type Approval Information
1.3.1Directives and Standards
PVS8 has been designed to comply with the directives and standards listed below.
It is the responsibility of the application manufacturer to ensure compliance of the final product
with all provisions of the applicable directives and standards as well as with the technical specifications provided in the "PVS8 Hardware Interface Description".
Table 1: Directives
2002/95/EC Directive of the European Parliament and of the Council of
27 January 2003 on the restriction of the use of certain hazardous substances in electrical and electronic equipment
(RoHS)
1
Table 2: Standards of North American type approval
CFR Title 47Code of Federal Regulations, Part 22, Part 24 and Part 27; US Equipmen t
Authorization FCC
OET Bulletin 65
(Edition 97-01)
UL 60 950-1Product Safety Certification (Safety requirements)
NAPRD.03 V5.11Overview of PCS Type certification review board Mobile Equipment Type
RSS132, RSS133,
RSS139
Table 3: Requirements of quality
IEC 60068Environmental testing
DIN EN 60529IP codes
Evaluating Compliance with FCC Guidelines for Human Exposure to Radiofrequency Electromagnetic Fields
Certification and IMEI control
PCS Type Certification Review board (PTCRB)
Canadian Standard
1.
Manufacturers of applications which can be used in the US shall en sure that their applications have a
PTCRB approval. For this purpose they can refer to the PTCRB approval of the respective module.
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1.3 Regulatory and Type Approval Information
14
Table 4: Standards of the Ministry of Information Industry of the People’s Republic of China
SJ/T 11363-2006 “Requirements for Concentration Limits for Certain Hazardous Substances
in Electronic Information Products” (2006-06).
SJ/T 11364-2006“Marking for Control of Pollution Caused by Electronic
Information Products” (2006-06).
According to the “Chinese Administration on th e Control of
Pollution caused by Electronic Information Products”
(ACPEIP) the EPUP, i.e., Environmental Protection Use
Period, of this product is 20 years as per the symbol
shown here, unless otherwise marked. The EPUP is valid only as long as
the product is operated within the operating limits described in the Cinterion
Hardware Interface Description.
Please see Table 5 for an overview of toxic or hazardous substances or elements that might be contained in product parts in concentrations above the
limits defined by SJ/T 11363-2006.
Table 5: Toxic or hazardous substances or elements with defined concentration limits
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1.3 Regulatory and Type Approval Information
14
1.3.2SAR requirements specific to portable mobiles
Mobile phones, PDAs or other portable transmitters and receivers incorporating a CDMA module must be in accordance with the guidelines for human exposure to radio frequency energy.
This requires the Specific Absorption Rate (SAR) of portable PVS8 based applications to be
evaluated and approved for compliance with national and/or international regulations.
Since the SAR value varies significantly with the individual product design manufacturers are
advised to submit their product for approval if designed for portable use. For USmarkets the
relevant directives are mentioned below. It is the responsibility of the manufacturer of the final
product to verify whether or not further standards, recommendations or directives are in force
outside these areas.
Products intended for sale on US markets
ES 59005/ANSI C95.1 Considerations for evaluation of human exposure to electromagnetic
fields (EMFs) from mobile telecommunication equipment (MTE) in the
frequency range 30MHz - 6GHz
IMPORTANT:
Manufacturers of portable applications based on PVS8 modules are required to have their final
product certified and apply for their own FCC Grant and Industry Canada Certificate related to
the specific portable mobile.
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14
1.3.3SELV Requirements
The power supply connected to the PVS8 module shall be in compliance with the SELV requirements defined in EN 60950-1.
1.3.4Safety Precautions
The following safety precautions must be observed during all phases of the operation, usage,
service or repair of any cellular terminal or mobile incorporating PVS8. Manufacturers of the
cellular terminal are advised to convey the following safety information to users and ope rating
personnel and to incorporate these guidelines into all manuals supplied with the product. Failure to comply with these precautions violates safety standards of design, manufacture and intended use of the product. Cinterion Wireless Modules assumes no liability for customer’s
failure to comply with these precautions.
When in a hospital or other health care facility, observe the restrictions on the use of
mobiles. Switch the cellular terminal or mobile off, if instructed to do so by the guidelines posted in sensitive areas. Medical equipment may be sensitive to RF energy.
The operation of cardiac pacemakers, other implanted med ical equipment and hearing
aids can be affected by interference from cellular terminals or mobiles placed close to
the device. If in doubt about potential danger, contact the physician or the manufacturer of the device to verify that the equipment is properly shielded. Pacemaker
patients are advised to keep their hand-held mobile away from the pacemaker, while
it is on.
Switch off the cellular terminal or mobile before boarding an aircraft. Make su re it cannot be switched on inadvertently. The operation of wirele ss appliances in an aircraft is
forbidden to prevent interference with communications systems. Failure to observe
these instructions may lead to the suspension or denial of cellular services to the
offender, legal action, or both.
Do not operate the cellular terminal or mobile in the presence of flammable gases or
fumes. Switch off the cellular terminal when you are near petrol stations, fuel d epots,
chemical plants or where blasting operations are in progress. Oper ation of any electrical equipment in potentially explosive atmospheres can constitute a safety hazard.
Your cellular terminal or mobile receives and transmits radio frequency energy while
switched on. Remember that interference can occur if it is used close to TV sets,
radios, computers or inadequately shielded equipment. Follow any special re gulations
and always switch off the cellular terminal or mobile wherever forbidden, or when you
suspect that it may cause interference or danger.
Road safety comes first! Do not use a hand-held cellular terminal or mobile when driving a vehicle, unless it is securely mounted in a holder for speakerphone operation.
Before making a call with a hand-held terminal or mobile, park the vehicle.
Speakerphones must be installed by qualified personnel. Faulty installation or operation can constitute a safety hazard.
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1.3 Regulatory and Type Approval Information
14
IMPORTANT!
Cellular terminals or mobiles operate using radio signals an d cellular networks.
Because of this, connection cannot be guaranteed at all times under all conditions.
Therefore, you should never rely solely upon any wireless device for essential communications, for example emergency calls.
Remember, in order to make or receive calls, the cellular terminal or mobile must be
switched on and in a service area with adequate cellular signal strength.
Some networks do not allow for emergency calls if certain network services or phone
features are in use (e.g. lock functions, fixed dialing etc.). You may need to deactivate
those features before you can make an emergency call.
Bear in mind that exposure to excessive levels of noise can cause physical damage
to users! With regard to acoustic shock, the cellular application must be designed to
avoid unintentional increase of amplification, e.g. for a highly sensitive earpiece. A protection circuit should be implemented in the cellular application.
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2 Product Concept
17
2Product Concept
2.1Key Features at a Glance
FeatureImplementation
General
Frequency bandsCDMA: Triple band (BC0/BC1 and BC10 subclass 2+3), 800/1900M Hz
Power supply3.3V <
Operating temperature
(board temperature)
PhysicalDimensions: 33mm x 29mm x 2mm
RoHSAll hardware components fully compliant with EU RoHS Directive
CDMA features
3GPP2 CDMA2000EV-DO Rev.A data rates:
SMSPoint-to-point MT and MO
GNSS Features
ProtocolNMEA
V
Normal operation: -30°C to +85°C
Restricted operation: -40°C to +95°C
Software updateGeneric firmware update from host application over ASC0 or USB
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2.1 Key Features at a Glance
17
FeatureImplementation
Interfaces
Module interfaceSurface mount device with solderable connection pads (SMT application
interface).
Land grid array (LGA) technology ensures high solder joint reliability and
provides the possibility to use an optional module mounting socket.
For more information on how to integrate SMT modules see also [4]. This
application note comprises chapters on module mounting and application
layout issues as well as on additional SMT application development
equipment.
Antenna50Ohms. CDMA main antenna, CDMA diversity antenna , GNSS antenna
(active/passive)
USBUSB 2.0 High Speed (480Mbit/s) device interface, Full Speed (12Mbit/s)
compliant
Serial interfaceASC0:
•8-wire modem interface with status and control lines, unbalanced,
asynchronous
•Adjustable baud rates from 9,600bps up to 921,600bps
•Supports RTS0/CTS0 hardware flow control
•Multiplex ability according to GSM 07.10 Multiplexer Protocol
StatusSignal line to indicate network connectivity state
Audio1 analog interface with microphone feeding
1 digital interface: PCM or I
Power on/off, Reset
Power on/offSwitch-on by hardware signal IGT
Switch-off by AT command (AT^SMSO)
Automatic switch-off in case of critical temperature or voltage conditions
ResetOrderly shutdown and reset by AT command
Emergency-offEmergency-off by hardware signal EMERG_OFF if IGT is not active
Special Features
PhonebookPhone
TTY/CTM supportIntegrated CTM modem
AntennaSAIC (Single Antenna Interference Cancellation) / DARP (Downlink
Advanced Receiver Performance)
Rx diversity (receiver type 3i - 16-QAM)
Over-the-air provisioningVerizon specific OTASP (Over-the-Air Servi ce Provisioning) and OTAPA
(Over-the-Air Parameter Administration)
Evaluation kit
Evaluation modulePVS8 module soldered onto a dedicated PCB that can be connected to
an adapter in order to be mounted onto the DSB75.
2
S
DSB75 DSB75 Development Support Board designed to test and type approve
Cinterion Wireless Modules and provide a sample configuration for appli-
cation engineering. A special adapter is required to connect the PVS8
evaluation module to the DSB75.
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USB
Serial
ASC0
Analog
audio
Power
supply
RTC
IGT,
Emergency Off
Net state/
status
Hos t Application
Controller
On/Off
Module
Applicat io n
PSU
or
CDMA
diversity antenna
Power for Application
(VEXT)
Power Indication
(PWR_IND)
Modem Interface
Digital
audio
PCM or I2S
Codec
CDMA
GNSS
GNSS antenna
LCI
Low current
indication
CDMA main
antenna
Wake-
up
Host Wakeup
GNSS
active antenna supply,
curren t lim iter
Power
Supply
Application
2.2 PVS8 System Overview
17
2.2PVS8 System Overview
Figure 1: PVS8 system overview
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3 Application Interface
25
3Application Interface
PVS8 is equipped with an SMT application interface that connects to the external application.
The host interface incorporates several sub-interfaces described in the following sections:
•Operating modes - see Section 3.1
•Power supply - see Section 3.2
•Serial interface USB - see Section 3.3
•Serial interface ASC0 - Section 3.4
•Analog audio interface - see Section 3.5
•Digital audio interface (PCM or I
2
S) - see Section 3.6
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3.1 Operating Modes
25
3.1Operating Modes
The table below briefly summarizes the various operating modes referred to in the following
chapters.
Table 6: Overview of operating modes
ModeFunction
Normal
operation
Power
Down
Airplane
mode
CDMA SLEEPPower saving set automatically when no call is in progress and the USB
connection is suspended by host or not present and no active communication via ASC0.
CDMA IDLEPower saving disabled (see [1]:
PwrSave",<PwrSaveMode>) or an USB connection not suspended, but
no call in progress.
CDMA TALK/
CDMA DATA
Normal shutdown after sending the AT^SMSO command. Only a voltage regulator is active
for powering the RTC. Software is not active. Interfaces are not accessible. Operating voltage (connected to BATT+) remains applied.
Airplane mode shuts down the radio part of the module , causes th e module to log off from
the CDMA network and disables all AT commands whose execution requires a radio connection.
Airplane mode can be controlled by AT command (see [1]).
CDMA data transfer in progress. Power consumption depends on network settings and data transfer rate.
AT^SCFG "MEopMode/
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BATT+
BATT+
BATT+_PA1
BATT+_PA2
2
2
2
Decoupling capacitor
e.g. 100…220µF
Ultra-low ESR
Module
GND
SMT interface
+
Minimum requirement
BATT+
2
2
2
Decoupling capacitors
e.g. 47µF X5R MLCC
3x
GND
BATT+
BATT+_PA1
BATT+_PA2
Module
SMT interface
Recommended alternative
3.2 Power Supply
25
3.2Power Supply
PVS8 needs to be connected to a power supply at the SMT application interface - 6 lines each
BATT+ and GND. There are three separate voltage domains for BATT+:
•BATT+_PA1 with 2 lines for the first power amplifier supply
•BATT+_PA2 with 2 lines for the second power amplifier supply
•BATT+ with 2 lines for the general power management.
The main power supply from an external application has to be a single voltage source and has
to be expanded to three sub paths (star structure). Capacitors should be placed as close as
possible to the BATT+ pads. Figure 2 shows two sample circuits (minimum requirement and
recommended alternative) for decoupling capacitors for BATT+.
The power supply of PVS8 must be able to provide the peak current during the uplink transmission.
All key functions for supplying power to the device are handled by the power managemen t IC.
It provides the following features:
•Stabilizes the supply voltages for the baseband using switching regulators and low drop lin-
ear voltage regulators.
•Switches the module's power voltages for the power-up and -down procedures.
•Delivers, across the VEXT line, a regulated voltage for an external application. This voltage
is not available in Power-down mode and can be reduced via AT command to save power.
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Figure 2: Decoupling capacitor(s) for BATT+
PVS8 Hardware Interface Overview
VBUS
DP
DN
VREG (3V075)
BATT+
USB_DP
2)
lin. reg.
GND
Module
Detection only
VUSB_IN
USB part
1)
RING0
Host wakeup
1)
All serial (including RS)and pull-up resistors for data lines are implemented.
USB_DN
2)
2)
If the USB interface is operated in High Speed mode (480MHz), it is recommended to take
special care routing the data lines USB_DP and USB_DN. Application layout should in this
case implement a differential impedance of 90Ohm for proper signal integrity.
WAKEUP
R
S
R
S
SMT
3.3 USB Interface
25
3.3USB Interface
PVS8 supports a USB 2.0 High Speed (480Mbit/s) device interface that is Full Speed (12Mbit/s)
compliant. The USB interface is primarily intended for use as command and data interface and
for downloading firmware.
The external application is responsible for supplying the VUSB_IN line. This line is used for cable detection only. The USB part (driver and transceiver) is supplied by means of BATT+. This
is because PVS8 is designed as a self-powered device compliant with the “Universal Serial Bus
Specification Revision 2.0”
1
.
Figure 3: USB circuit
To properly connect the module's USB interface to the external application, a USB 2.0 compatible connector and cable or hardware design is required.
1.
The specification is ready for download on http://www.usb.org/developers/docs/
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3.4 Serial Interface ASC0
25
3.4Serial Interface ASC0
PVS8 offers an 8-wire unbalanced, asynchronous modem interface ASC0 conforming to ITUT V.24 protocol DCE signalling. The electrical characteristics do not comply with ITU-T V.28.
The significant levels are 0V (for low data bit or active state) and 1.8V (for high data bit or inactive state).
PVS8 is designed for use as a DCE. Based on the conventions for DCE-DTE connections it
communicates with the customer application (DTE) using the following signals:
•Port TXD @ application sends data to the module’s TXD0 signal line
•Port RXD @ application receives data from the module’s RXD0 signal line
Figure 4: Serial interface ASC0
Features:
•Includes the data lines TXD0 and RXD0, the status lines RTS0 and CTS0 and, in addition,
the modem control lines DTR0, DSR0, DCD0 and RING0.
•ASC0 is designed for controlling voice calls, transferring data and for controlling the module
with AT commands.
•Full multiplexing capability allows the interface to be partitioned into virtual channels.
•The RING0 signal serves to indicate incoming calls and other types of URCs (Unsolicited
Result Code). It can also be used to send pulses to the host application, for example to
wake up the application from power saving state. See [1] for details on h ow to configure the
RING0 line by AT^SCFG.
•Configured for 8 data bits, no parity and 1 stop bit.
•ASC0 can be operated at fixed bit rates from 9600bps up to 921600bps.
•Supports RTS0/CTS0 hardware flow control.
•Wake up from SLEEP mode by RTS0 activation (high to low transition).
Note. If the ASC0 serial interface is the application’s only interface, it is suggested to connect
test points on the USB signal lines as a potential tracing possibility.
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3.4 Serial Interface ASC0
25
Table 7: DCE-DTE wiring of ASC0
V.24 circuit DCEDTE
Line functionSignal directionLine functionSignal direction
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3.5 Analog Audio Interface
25
3.5Analog Audio Interface
PVS8 has an analog audio interface with a balanced analog microphone input and a balanced
analog earpiece output. A supply voltage and an analog ground connection are provided at
dedicated lines.
PVS8 offers eight audio modes which can be selected with the AT^SNFS command. The electrical characteristics of the voiceband part vary with the audio mode. For example, sending and
receiving amplification, sidetone paths, noise suppression etc. depend on the selected mode
and can in parts be altered with AT commands (except for mode 1).
When shipped from factory, all audio parameters of PVS8 are set to audio mode 1. This is the
default configuration optimised for the Votronic HH-SI-30.3/V1.1/0 handset and used for type
approving the Cinterion Wireless Modules reference configuration. Audio mode 1 has fix parameters which cannot be modified. To adjust the settings of the Votronic handset simply
change to another audio mode.
3.6Digital Audio Interface
PVS8 supports a digital audio interface that can be employed either as pulse code modulation
or as inter IC sound interface. Operation of these interface variants is mutually exclusive.
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4 GNSS Receiver
25
4GNSS Receiver
PVS8 integrates a GNSS receiver that offers the full performance of GPS/GLONASS technology. The GNSS receiver is able to continuously track all satellites in view, thus providing accurate satellite position data.
The integrated GNSS receiver supports the NMEA protocol via USB o r ASC0 interface
is a combined electrical and data specification for communication between various (marine)
electronic devices including GNSS receivers. It has been defined and controlled by the USbased National Marine Electronics Association. For more information on the NMEA Standard
please refer to http://www.nmea.org.
Depending on the receiver’s knowledge of last position, current time and ephemeris data, th e
receiver’s startup time (i.e., TTFF = Time-To-First-Fix) may vary: If the receiver has no knowledge of its last position or time, a startup takes considerably longer than if the receiver has still
knowledge of its last position, time and almanac or has still access to valid ephimeris data and
the precise time.
By default, the GNSS receiver is switched off. It has to be switched on and configured using
AT commands. For more information on how to control the GNSS interface via the AT command AT^SGPSC see [1].
1
. NMEA
1.
Using the serial ASC0 interface NMEA data is transmitted at a fixed speed of 115200bps.
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5 Antenna Interfaces
29
5Antenna Interfaces
5.1CDMA Antenna Interface
The PVS8 CDMA antenna interface comprises a main CDMA antenna as well as an optional
1
CDMA Rx diversity antenna to improve signal reliability and quality
pedance of 50
. PVS8 is capable of sustaining a total mismatch at the antenna in terface with-
. The interface has an imout any damage, even when transmitting at maximum RF power.
The external antenna must be matched properly to achieve best performance regarding radi-
ated power, modulation accuracy and harmonic suppression. Matching networks are not included on the PVS8 PCB and should be placed in the host application, if the antenna does not
have an impedance of 50
.
Regarding the return loss PVS8 provides the following values in the active band:
Table 8: Return loss in the active band
State of moduleReturn loss of moduleRecommended return loss of application
Receive>
Transmit not applicable >
Idle<
8dB> 12dB
12dB
5dBnot applicable
1.
By delivery default the optional CDMA Rx diversity antenna is configured as available for the module. To
avoid negative side effects and performance degradation it is recommended to disable the diversity antenna path if
- the host application does not support a diversity antenna
- the host application includes a diversity antenna - but a network simulator is used for development and
performance tests.
Please refer to [1] for details on how to configure antenna settings.
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5.1 CDMA Antenna Interface
29
5.1.1Antenna Installation
The antenna is connected by soldering the antenna pads and their neighboring ground pads
directly to the application’s PCB.
The distance between the antenna pads and their neighboring GND pads has been optimized
for best possible impedance. To prevent mismatch, special attention should be paid to these
pads on the application’ PCB.
The wiring of the antenna connection, starting from the antenna p ad to the application’s ante nna should result in a 50
be optimized with regard to the PCB’s layer stack.
To prevent receiver desensitization due to interferences generated by fast transients like high
speed clocks on the external application PCB, it is recommended to realize the antenna connection line using embedded Stripline rather than Micro-Stripline technology.
line impedance. Line width and distance to the GND plane need to
For type approval purposes, the use of a 50
be necessary. In this case the U.FL-R-SMT connector should be placed as close as possible
to PVS8‘s antenna pad.
coaxial antenna connector (U.FL-R-SMT) might
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Short circuit
protection
(Imax=50mA)
VGNSS
ANT_GNSS
Active
GNSS
antenna
10nH
47pF
2p2
Module
SMT interface
ANT_GNSS_DC
typ 3.05V max. 300m A
Not short circuit protected!
1uF
(Optional)
ESD
protection
10k
Supply with short circuit protection
LDO
VGNSS
ANT_GNSS
Active
GNSS
antenna
10nH
47pF
2p2
Module
SMT interface
ANT_GNSS_DC
1uF
(Optional)
ESD
protection
10k
Enable
External
voltage
Supply with external LDO employed
5.2 GNSS Antenna Interface
29
5.2GNSS Antenna Interface
In addition to the RF antenna interface PVS8 also has a GNSS antenna interface. The GNSS
antenna installation and connector are the same as for the RF antenna interface (see Section
5.1.1). For use with GPS and GLONASS it is recommended to use a GPS and GLONASS ca-
pable antenna.
It is possible to connect active or passive GNSS antennas. In either case they must have 50
Ohm impedance. The simultaneous operation of CDMA and GNSS has been implemented.
PVS8 provides the supply voltage VGNSS for the GNSS active antenna (3.05V). It has to be
enabled by software when the GNSS receiver shall becomes active, otherwise VGNSS should
be off (power saving). VGNSS is not short circuit protected. This will have to be provided for by
an external application. The DC voltage should be fed back via ANT_GNSS_DC for coupling
into the GNSS antenna path. Figure 5 shows the flexibility in realizing the power supp ly for an
active GNSS antenna by giving two sample circuits realizing the supply voltage for an active
GNSS antenna - one with short circuit protection and one with an external LDO employed.
Figure 5: Supply voltage for active GNSS antenna
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VGNSS
ANT_GNSS
Passive
GNSS
antenna
10nH
47pF
2p2
Module
SMT interface
ANT_GNSS_DC
(Optional)
ESD
protection
0R
Not used
5.2 GNSS Antenna Interface
29
Figure 6 shows sample circuits realizing ESD protection for a passive GNSS antenna.
Figure 6: ESD protection for passive GNSS antenna
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Top view
Bottom view
6 Mechanics, Mounting and Packaging
31
6Mechanics, Mounting and Packaging
6.1Mechanical Dimensions of PVS8
Figure 7 shows a 3D view1 of PVS8 and provides an overview of the board's mechanical di-
mensions. For further details see Figure 8.
Length:33mm
Width:29mm
Height:2mm
Figure 7: PVS8 – top and bottomview
1.
The coloring of the 3D view does not reflect the module’s real color.
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Internal use;
Not to be soldered
Position marker
6.1 Mechanical Dimensions of PVS8
31
Figure 8: Dimensions of PVS8 (all dimensions in mm)
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7 Sample Application
33
7Sample Application
Figure 9 shows a typical example of how to integrate an PVS8 module with an application.
The audio interface demonstrates the balanced connection of microphone and earpiece. This
solution is particularly well suited for internal transducers.
The PWR_IND line is an open collector that needs an external pull-up resistor which connects
to the voltage supply VCC µC of the microcontroller. Low state of the open collector pulls the
PWR_IND signal low and indicates that the PVS8 module is active, high level notifies the Power-down mode.
If the module is in Power-down mode avoid current flowing from any other source into the module circuit, for example reverse current from high state external control lines. Therefore, the
controlling application must be designed to prevent reverse flow. If an external level controller
is required, this can be done by using for example a 5V I/O tolerant buffer/driver like a
"74AVC4T245" with OE
(Output Enable) controlled by PWR_IND.
While developing SMT applications it is strongly recommended to provide test points
for certain signals resp. lines to and from the module - for debug and/or test purposes.
The SMT application should allow for an easy access to these signals. For details on
how to implement test points see [4].
The EMC measures are best practice recommendations. In fact, an adequate EMC strategy for
an individual application is very much determined by the overall layout and, especially, the position of components.
Disclaimer:
No warranty, either stated or implied, is provided on the sample schematic diagram shown in
Figure 9 and the information detailed in this section. As functionality and compliance with na-
tional regulations depend to a great amount on the used electronic components and the individual application layout manufacturers are required to ensure adequate design and operating
safeguards for their products using PVS8 modules.
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PVS8
Application
Sample
Current
limiter
<50mA
7 Sample Application
33
Figure 9: PVS8 sample application
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DSB75
Standard
80 polig Flex
PC
CDMA
test equipment
GNSS
test equipment
CDMA Main
RS232
cable
USB
cable
Audio
test equipment
Votronic
handset
Power
supply
COM1
(ASC0)
Power
GND
USB
ANT3
ANT2
ANT1
Audio
Uranus
Audio
DSB75 adapter
PVS8
evaluation
module
Detail:
S
M
A
t
o
H
i
r
o
s
e
U
.
F
L
c
a
b
l
e
CDMA Drx
GNSS
I
f
u
s
i
n
g
a
n
a
l
o
g
a
u
d
i
o
PVS8
evaluation
module
Edge mount SMA connectors
manually soldered to antenna pads
8 Reference Approval
35
8Reference Approval
8.1Reference Equipment for Type Approval
The Cinterion Wireless Modules reference setup submitted to type approve PVS8 is shown in
Figure 10. The module (i.e., the evaluation module) is connected to the DSB75 by means of a
flex cable and a special DSB75 adapter. The CDMA/GNSS test equipment is connected via
edge mount SMA connectors soldered to the module’s antenna pads.
For ESD tests and evaluation purposes, it is also possible connect the module to the CDMA/
GNSS test equipment through an SMA-to-Hirose-U.FL antenna cable and the SMA antenna
connectors of the DSB75 adapter.
A further option is to mount the evaluation module directly onto the DSB75 adapter’s 80-pin
board-to-board connector and to connect the test equipment as shown below.
Figure 10: Reference equipment for type approval
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8.2 Compliance with FCC and IC Rules and Regulations
35
8.2Compliance with FCC and IC Rules and Regulations
The Equipment Authorization Certification for the Cinterion Wireless Modules reference application described in Section 8.1 will be registered under the following identifiers:
FCC Identifier QIPPVS8
Industry Canada Certification Number: 7830A-PVS8
Granted to Cinterion Wireless Modules GmbH
Manufacturers of mobile or fixed devices incorporating PVS8 modules are authorized to use
the FCC Grants and Industry Canada Certificates of the PVS8 modules for their own final products according to the conditions referenced in these documents. In this case, the FCC label of
the module shall be visible from the outside, or the host device shall bear a second label stating
"Contains FCC ID QIPPVS8" and accordingly “Contains IC 7830A-PVS8“. The integration is
limited to fixed or mobile categorised host devices, where a separation distance between the
antenna and any person of min. 20cm can be assured during normal operating conditions. For
mobile and fixed operation configurations the antenna gain, including cable loss, must not exceed the limits 9,91 dBi (850 MHz) and 4.40 dBi (1900 MHz).
IMPORTANT:
Manufacturers of portable applications incorporating PVS8 modules are required to have their
final product certified and apply for their own FCC Grant and Industry Canada Certificate related to the specific portable mobile. This is mandatory to meet the SAR requirements for portable
mobiles (see Section 1.3.1 for detail).
Changes or modifications not expressly approved by the party responsible for compliance
could void the user's authority to operate the equipment.
Note: This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to part 15 of the FCC Rules and with Industry Canada licence-exempt RSS
standard(s). These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause
harmful interference to radio communications. However, there is no guarantee that interference
will not occur in a particular installation. If this equipment does cause harmful interference to
radio or television reception, which can be determined by turning the equipment off and on, the
user is encouraged to try to correct the interference by one or more of the following measures:
•Reorient or relocate the receiving antenna.
•Increase the separation between the equipment and receiver.
•Connect the equipment into an outlet on a circuit different from that to which the receiver
is connected.
•Consult the dealer or an experienced radio/TV technician for help.
This Class B digital apparatus complies with Canadian ICES-003.
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9 Appendix
37
9Appendix
9.1List of Parts and Accessories
Table 9: List of parts and accessories
DescriptionSupplierOrdering information
PVS8CinterionStandard module
Cinterion Wireless Modules IMEI:
Packaging unit (ordering) number: L30960-N2650-A300
Module label number: S30960-S2650-A300-1
PVS8 Evaluation ModuleCinterionOrdering number: L30960-N2651-A300
DSB75 Support BoxCinterionOrdering number: L36880-N8811-A100
DSB75 adapter for mounting
the PVS8 evaluation module
Votronic HandsetVOTRONICVotronic HH-SI-30.3/V1.1/0
U.FL antenna connectorHirose or
CinterionOrdering number: L30960-N2301-A100
VOTRONIC
Entwicklungs- und Produktionsgesellschaft für elek-
tronische Geräte mbH
Saarbrücker Str. 8
66386 St. Ingbert
Germany
Phone: +49-(0)6 89 4 / 92 55-0
Fax: +49-(0)6 89 4 / 92 55-88
Email: contact@votronic.com
Sales contacts are listed in Table 10 and Table 11.
Molex
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9.1 List of Parts and Accessories
37
Table 10: Molex sales contacts (subject to change)
Molex
For further information please click:
http://www.molex.com
Molex China Distributors
Beijing,
Room 1311, Tower B, COFCO Plaza
No. 8, Jian Guo Men Nei Street, 100005
Beijing
P.R. China
Phone: +86-10-6526-9628
Fax: +86-10-6526-9730
Table 11: Hirose sales contacts (subject to change)