Maxon Electronics Australia MM-5500U CDMA EVDO USB Voice/Data Modem User Manual MM 5500U FCC

Maxon Electronics Australia Pty. Ltd. CDMA EVDO USB Voice/Data Modem MM 5500U FCC

users manual

FCC Documentation- MM-5500U CDMA 1x/EVDO Modem
Confidential and proprietary information
This document is the sole and exclusive property of Maxon.
Not to be distributed or divulged without prior written agreement.
FCC Documentation
MM-5500U CDMA 1x/EVDO Modem
Version : 0.1
Date :JUN 21, 2004
Maxon Proprietary : Restricted Distribution
This document is the sole and exclusive
property of Maxon. Not to be distributed or
divulged without prior written agreement.
36a Gibson Avenue, Padstow
New South Wales, 2211. Australia
Phone:+61 2 9707 2000
URL: http//www.maxon.com.au
FCC Documentation- MM-5500U CDMA 1x/EVDO Modem
2/22
Confidential and proprietary information
This document is the sole and exclusive property of Maxon.
Not to be distributed or divulged without prior written agreement.
FCC RF EXPOSURE COMPLIANCE
In August 1996 the Federal Communications Commission (FCC) of the United States with its action
in Report and Order FCC 96-326 adopted an updated safety standard for human exposure to radio
frequency (RF) electromagnetic energy emitted by FCC regulated transmitters. Those guidelines
are consistent with the safety standard previously set by both U.S. and international standards
bodies. The design of this phone complies with the FCC guidelines and these international
standards.
Use only the supplied or an approved antenna. Unauthorized antennas, modifications, o
r
attachments could impair call quality, damage the phone, or result in violation of FCC regulations.
This MM-5500U CDMA card has been tested for FCC RF exposure hand and body SAR
compliance. In order to comply with FCC RF exposure requirements, this product must be
operated with the MM-5500U CDMA card. The use of this card in any other type of host
configuration may not comply with FCC RF exposure requirements and should be avoided.
During operation, a 1.5cm separation distance should be maintained between the antenna,
whether extended or retracted, and the users/bystanders body (excluding hands, wrists,
feet, and ankles) to ensure FCC RF exposure compliance.
CAUTION
Change or modification without the express consent of Maxon Electronics Australia Pty Ltd voids
the user’s authority to use the equipment. This equipment has been tested and found to comply
with the limits pursuant to Part 15 of the FCC rules. These limits are designed to provide
reasonable protection against harmful interference in an appropriate installation. This equipment
generates, uses, and can radiate radio frequency energy and, if not used in accordance with
instructions, can cause harmful radiation to radio communication. However, there is no guarantee
that interference will not occur in a particular installation. If the equipment does cause harmful
interference in radio and television reception, which can be determined by turning the equipment
on and off, 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 distance between the equipment and the receiver
Contact Maxon Electronics Australia Pty Ltd Technical Support for assistance.
FCC Documentation- MM-5500U CDMA 1x/EVDO Modem
3/22
Confidential and proprietary information
This document is the sole and exclusive property of Maxon.
Not to be distributed or divulged without prior written agreement.
Table of contents
1. Contact Information·······························································································4
2. Product Overview ··································································································5
2.1 Overview........................................................................................................5
2.2 What is the MM-5500U CDMA 1x/EVDO Modem ........................................ 5
2.3 Supplied accessories...................................................................................5
3. Specifications ········································································································6
3.1 Mechanical Specifications...........................................................................6
3.2 Environment Specifications ........................................................................ 6
3.3 Electrical Specifications .............................................................................. 6
3.4 CDMA RF Specifications.............................................................................. 7
4. Instruction ·············································································································· 9
4.1 Supplied accessories...................................................................................9
4.2 Getting start ..................................................................................................9
5. Circuit description······························································································· 14
5.1 MM-5500U CMDA 1x/EVDO Modem circuit description ..........................14
5.2 Power interface part...................................................................................15
5.3 Digital part...................................................................................................15
5.4 RF part......................................................................................................... 16
6. Range of operating power levels and description of means for variation of
operating power··································································································· 18
7. Description of frequency determining and stabilizing circuitry······················ 19
8. Description of circuit employed for suppression of spurious radiation········ 20
9. Description of modulation system used ···························································21
FCC Documentation- MM-5500U CDMA 1x/EVDO Modem
4/22
Confidential and proprietary information
This document is the sole and exclusive property of Maxon.
Not to be distributed or divulged without prior written agreement.
1. Contact Information
If you have any technical queries about this manual, please contact:
Maxon Electronics Australia Pty. Ltd.
36a Gibson Avenue
Padstow, New South Wales 2211
Australia
Phone: +61 2 9707 2000
Fax: +61 2 9707 3328
Mr. Ray Sanders-Managing Director
Mr. Ashween Prasad- Technical Manager
Email: engineering@maxon.com.au
FCC Documentation- MM-5500U CDMA 1x/EVDO Modem
5/22
Confidential and proprietary information
This document is the sole and exclusive property of Maxon.
Not to be distributed or divulged without prior written agreement.
2. Product Overview
2.1 Overview
The MM-5500U CDMA 1x/EVDO Modem is designed to merge the capabilities of 3G 1x EV standard
with the high value feature sets supported by 3G 1x MC IS-2000.
The MM-5500U is capable of 2.4Mbps peak data rate on the forward link and 153Kbps peak data
rate on the reverse link. The MM-5500U solution enables up to a doubling of overall IS-95-A/B voice
capacity and new, higher-data-rate services.
2.2 What is the MM-5500U CDMA 1x/EVDO Modem
- IS-95A/B, cdma2000-1X and EVDO CDMA Protocol Support
- Remote controlled by AT commands
- Data transmission up to 2.4Mbps [forward link], 153Kbps [reverse link]
- LED indicating of the modem status
2.3 Supplied accessories
- MM-5500U CDMA 1x/EVDO Modem (1)
- Ear-piece assembly (1)
- USB interface cable assembly (1)
- Deriver CD (1)
FCC Documentation- MM-5500U CDMA 1x/EVDO Modem
6/22
Confidential and proprietary information
This document is the sole and exclusive property of Maxon.
Not to be distributed or divulged without prior written agreement.
3. Specifications
3.1 Mechanical Specifications
Table 3.1 mechanical specifications
Dimensions 58mm x 38mm x 12mm, except antenna & USB connector parts
Weight Approx. 35g , except ear-piece & USB cable assemblies
Housing Material ABS
3.2 Environment Specifications
Table 3.2 environment specifications
Operating conditions 0°C ~ +60°C , 85%(at 50(C), relative humidity (non-condensing)
Storage Temperature -40°C ~ +70°C
Humidity 95%, non-condensing
3.3 Electrical Specifications
Table 3.3 Current Consumption
- DC input voltage +5VDC from USB port
- Maximum current Under 850mA
- Typical current Under 200mA
- Digital block operating voltage +3.0V (typical)
On communication @ Maximum TX Power (24+/- 0.3dBm) Under 700mA
(Note) The current consumption might vary of 5% over the whole operating temperature range.
FCC Documentation- MM-5500U CDMA 1x/EVDO Modem
7/22
Confidential and proprietary information
This document is the sole and exclusive property of Maxon.
Not to be distributed or divulged without prior written agreement.
3.4 CDMA RF Specifications
RF performances are compliant with IS-95A/B, cdma2000-1X RTT CDMA Protocol.
3.4.1 Transmitter specifications
Table 2.4 Transmitter performance
Type of Multiplexing Frequency-Division Duplex
Frequency Range 824.64MHz ~ 848.37MHz
Channel Number 20CH
Bandwidth 1.23MHz
Occupied Bandwidth Under 1.32MHz
Type of Oscillation PLL Synthesizer & VCTCXO(19.2MHz)
VCO Output Frequency Range
( divide-by-2 frequency range)
1372.08MHz ~ 1421.54MHz
(686.04MHz ~ 710.77MHz)
Intermediate Center Frequency 138.6MHz
Modulation Method OQPSK
RF Maximum Output Power 0.28W (24.5dBm/1.23MHz)
Frequency Stability(Accuracy) Under defined freq. +/- 300Hz
Waveform Quality Over 0.944
Conducted Spurious Emission Over carrier +/-900KHz, -42dBc/30KHz
Over carrier +/-1980KHz, -54dBc/30KHz
Common RF Impedance 50ohm
Supplied voltage +3.8V DC @ Power Amp.
+2.85V DC @ TX block
FCC Documentation- MM-5500U CDMA 1x/EVDO Modem
8/22
Confidential and proprietary information
This document is the sole and exclusive property of Maxon.
Not to be distributed or divulged without prior written agreement.
3.4.2 Receiver specifications
Table 2.5 Receiver performance
Type of Receiving Super Heterodyne Method
Frequency Range 869.94MHz ~ 893.37MHz
Channel Number 20CH
Band width 1.23MHz
Type of Oscillation PLL Synthesizer & VCTCXO(19.2MHz)
VCO Output Frequency Range
( divide-by-2 frequency range)
1372.08MHz ~ 1419.54MHz
(686.04MHz ~ 709.77MHz)
Intermediate Center Frequency 183.6MHz
Modulation Method QPSK
Receiver Sensitivity Under -104dBm @FER=0.5%
Single Tone Desensitization
(-30dBm @FC +/-900KHz)
Under -101dBm @FER=1%
-43dBm Under -101dBm @FER=1%
-32dBm Under -90dBm @FER=1%
Inter-modulation
(Fc +/-900KHz&1.7MHz)
-21dBm Under -79dBm @FER=1%
Common RF Impedance 50ohm
Supplied voltage +3.0V DC
FCC Documentation- MM-5500U CDMA 1x/EVDO Modem
9/22
Confidential and proprietary information
This document is the sole and exclusive property of Maxon.
Not to be distributed or divulged without prior written agreement.
4. Instruction
Warning
To prevent fire or shock hazard, do not expose the unit to rain or moisture.
Do not drop the unit or give a shock to the unit, or it may cause a malfunction.
4.1 Supplied accessories
- MM-5500U CDMA 1x/EVDO Modem with antenna (1)
- USB cable assembly (1)
- Earpiece assembly (1)
4.2 Getting start
Before you can begin using the MM-5500U CDMA 1x/EVDO Modem, you must:
4.2.1 Install Phone UI program and MM-5500U Modem
Insert installation CD (supplied with the Telstra CDMA Voice/Data Modem) into the CD-ROM drive.
This will automatically start the installation and install the required drivers plus Telstra CDMA
Voice/Data Modem Application software.
Do not connect Telstra CDMA Voice/Data Modem into your laptop/PC yet.
The installation procedures are the same for Windows 98 Original Edition, Windows 98
Second Edition, Windows ME, Windows 2000 and Windows XP.
It’s very important that you must install MM-5500U Modem by this procedure!
4.2.1.1 Start Autorun
FCC Documentation- MM-5500U CDMA 1x/EVDO Modem
10/22
Confidential and proprietary information
This document is the sole and exclusive property of Maxon.
Not to be distributed or divulged without prior written agreement.
4.2.1.2 Install shield Wizard… click ‘Next’
4.2,1.3 Ready to install the Program
4.2.1.4 Maxon Electronics Australia EVDO Modem is configuring your new software installation
FCC Documentation- MM-5500U CDMA 1x/EVDO Modem
11/22
Confidential and proprietary information
This document is the sole and exclusive property of Maxon.
Not to be distributed or divulged without prior written agreement.
4.2.1.5 Copying file
4.2.1.6 Maintenance Complete
FCC Documentation- MM-5500U CDMA 1x/EVDO Modem
12/22
Confidential and proprietary information
This document is the sole and exclusive property of Maxon.
Not to be distributed or divulged without prior written agreement.
FCC Documentation- MM-5500U CDMA 1x/EVDO Modem
13/22
Confidential and proprietary information
This document is the sole and exclusive property of Maxon.
Not to be distributed or divulged without prior written agreement.
4.2.2 Connect ear-piece to the ear-jack connector if you want to use as a phone.
Microphone and earphone signals for Voice Call are provided to interface with headset directly.
1. Connect the ear-piece plug firmly the ear-jack port hole.
2. Ware the Ear-piece to the left or right ear and adjust the ear-piece to fit to your ear firmly.
- Press for more than a second during buzzer ringing for receiving voice call
- Press for more than a second when redial, this time you heard dialing sound
When adjusting the volume on the unit, please refer to the “MM-5500U Software manual” for detail
information.
4.2.3 LED display
Table 4.2.1 LED function descriptions
LED Color
Function RED GREEN YELLOW
POWER ON ON OFF OFF
ACQUISITION- Fail FLASH OFF OFF
ACQUISITION- OK
(IDLE) OFF ON OFF
VOICE CALL ON ON OFF
DATA CALL OFF ON FLASH
DORMANT OFF ON ON
FCC Documentation- MM-5500U CDMA 1x/EVDO Modem
14/22
Confidential and proprietary information
This document is the sole and exclusive property of Maxon.
Not to be distributed or divulged without prior written agreement.
5. Circuit description
5.1 MM-5500U CMDA 1x/EVDO Modem circuit description
The MM-5500U CDMA 1x/EVDO modem consists of the CDMA Engine, power generation part,
digital part, RF part and connectors. The Fig 5-1 is block diagram of MM-5500U CDMA 1x/EVDO
modem.
Logic part
Rx
Tx
Synthesizer
RF part
LNA
Power
Amp
MSM5500
Memory
-Flash(64Mb)
-SRAM(32Mb)
Power
interface
U701
MIC39102
(LDO)
Iout=1A
Vout=3.8V
RF Vcc
Audio interface signal
Ear-jack
port
CDMA Engine
MM-5500U Block Diagram
protection
DUX
DC5V
Debug Port
*only test
CDMA
Antenna
LED
U703
ISP1105W
(USB
transceiver)
D+
D-
USB
Connector
(DWAP-02-04)
RF S/W
Figure 5.1 MM-5500U CDMA 1x/EVDO modem block diagram
FCC Documentation- MM-5500U CDMA 1x/EVDO Modem
15/22
Confidential and proprietary information
This document is the sole and exclusive property of Maxon.
Not to be distributed or divulged without prior written agreement.
5.2 Power interface part
DC Power is supplied from the USB connector.
- LDO(U701): This component is low dropout regulator. Output voltage is about 3.8V DC.
This LDO output voltage is inputted to CDMA Engine power interface.
Each block of CDMA Engine uses low-drop-output linear regulator.
- U500 : voltage regulator for digital circuit ( 2.8 DC )
- U501 : voltage regulator for VC-TCXO and IFR3300 ( 3.0V DC )
- U502 : voltage regulator for RF Rx part ( 3.0V DC )
- U503 : voltage regulator for RF Tx part ( 2.85V DC )
- U505 : voltage regulator for digital part(2.7V DC )
- And power AMP is directly supplied.
5.3 Digital part
- U400 : MSM(Mobile Station Modem) ASIC is chip responsible for CDMA/FM mobile station’s
base-band digital signal processing. For this chip to function, TCXO(19.2MHz) is required as
basic clocks.
And sleep crystal (32.768KHz) is used as clock source of MSM ASIC.
MSM consists of CDMA core and DFM core. CDMA core is a part for processing CDMA signal
consisting of modulator/demodulator, interleaver/deinterleaver and encoder/decoder in the CDMA
mode.
- U401: Memory part consists of Flash memory and SRAM.
Flash memory: store to main program.
SRAM: performs to read and write data
- U703: USB transceiver is fully compliant with the USB specification Rev1.1.
FCC Documentation- MM-5500U CDMA 1x/EVDO Modem
16/22
Confidential and proprietary information
This document is the sole and exclusive property of Maxon.
Not to be distributed or divulged without prior written agreement.
5.4 RF part
RF part consists of synthesizing part, transmission and reception part.
Fig 5.2 RF part block diagram
FCC Documentation- MM-5500U CDMA 1x/EVDO Modem
17/22
Confidential and proprietary information
This document is the sole and exclusive property of Maxon.
Not to be distributed or divulged without prior written agreement.
5.4.1.1 Frequency synthesizing part
Frequency synthesizing part called PLL Synthesizer consists of three synthesizer circuit which is first
local synthesizer, Tx IF synthesizer and Rx IF synthesizer. The first local synthesizer generates the
primary local system oscillation frequency, operating over 1372.08 ~ 1419.54 MHz frequency range.
Tx IF and Rx IF synthesizer generate the second local oscillation frequency, 267.2 MHz and 367.2
MHz respectively.
5.4.1.2 Receiving part
- Duplexer. The duplexer filters the RF signal transmitted through Antenna and sends the
signals to LNA.
- LNA. This part in front-end is used to amplify the received signal with low noise figure
- Down converter. It acts as a mixer using first local frequency to produce the desired signal
in the mid-range frequency of 183.6 MHz.
- Rx AGC. This part is designed to control the gain of the dynamic range of midrange
frequency produced in down converter according 80 dB dynamic range.
Currently, previous BBA is divided into IFR3300(Rx IF-baseband converter) and RFT3100(Tx
baseband-IF converter). IFR3300 acts as the baseband analog processor which processing the
signals between the IFR3300 and digital processing circuit.
In the while, RFT3100 consists of Tx AGC and Tx part analog processor of previous BBA.
5.4.1.3 Transmission part
- Tx AGC. It is designed to be gain-controlled from 84 dB dynamic range. The gain of this part
is controlled by MSM using digital control signal.
- Up converter. This part mixes the IF transmission frequency 138.6 MHz and the first local
1372.08 ~ 1419.54 MHz to generate transmission frequency of 824.64 ~ 848.37 MHz.
- Power AMP module. This part is designed to work in 824 MHz ~ 849 MHz frequency range
in the CDMA mode and can generate the proper output power. The DC voltage into the power
amp module is typical 3.8V.
FCC Documentation- MM-5500U CDMA 1x/EVDO Modem
Confidential and proprietary information
This document is the sole and exclusive property of Maxon.
Not to be distributed or divulged without prior written agreement.
6. Range of operating power levels and description of means for
variation of operating power
Dynamic range of output power is from –56dBm to +24.5dBm with ±0.3dB variation in CDMA mode.
A temperature-compensated TX AGC (Automatic Gain Control) amplifier with 85dB gain range is
included in the RFT3100. The transmit output power level is directly controlled by varying the gain of
this TX AGC amplifier. A DC input voltage from the MSM5500 linearly controls the gain of the TX
AGC amplifier.
The 84 dB dynamic range is 39 dB when the voltage 2.8V and -45 dB in 0.1V. The 81 dB dynamic
range (0.3V ~ 2.4V) gain is used in this CDMA card.
FCC Documentation- MM-5500U CDMA 1x/EVDO Modem
Confidential and proprietary information
This document is the sole and exclusive property of Maxon.
Not to be distributed or divulged without prior written agreement.
7. Description of frequency determining and stabilizing circuitry
Frequency synthesizing part is composed of the first local RX IF synthesizer which is single mode
PLL synthesizer and the internal Tx IF and Rx IF synthesizer which are in RFT3100 and IFR3300
chip. These parts generate the first local oscillation frequency, Rx IF frequency and Tx IF frequency.
- First local frequency Synthesizer : 1372.08 MHz ~ 1419.54 MHz
PLL loop is composed of single PLL synthesizer, Loop filter, VCO and VC-TCXO
It generates transmission and reception frequency of 1372.08 MHz ~ 1419.54 MH
- Rx IF synthesizer : 367.2 MHz
Rx IF PLL loop is consisted of PLL synthesizer in the PLL module, VCO built in IFR3300, loop
filter and VC-TCXO(Crystal oscillator 19.2 MHz). It oscillates twice the intermediate receiving
frequency of 367.2 MHz and then generates 183.6 MHz, Rx IF frequency.
- Tx IF Synthesizer : 267.2 MHz
The configuration of PLL loop is composed of PLL Synthesizer, VCO which is internally installed,
loop filter and VC-TCXO(19.2 MHz). It oscillates twice of the transmission intermediate
frequency of 267.2 MHz and then generates Tx IF frequency of 138.6 MHz through the PLL loop.
The frequency of 19.2 MHz generated from the VC-TCXO is the main clock of each the frequency
synthesizer part. PLL frequency stability is determined by the stability of oscillator of VC-TCXO. This
prevents maximum frequency variation from exceeding ±2.0PPM.
FCC Documentation- MM-5500U CDMA 1x/EVDO Modem
Confidential and proprietary information
This document is the sole and exclusive property of Maxon.
Not to be distributed or divulged without prior written agreement.
8. Description of circuit employed for suppression of spurious
radiation
In the CDMA transmit signal path, the frequency spectrum at the output of the CDMA DACs contains
unwanted frequency components due to the DAC output transition edges and transients. The
transmit clock frequency and harmonics are found in the spectrum.
Each CDMA DAC is followed by an anti-aliasing low-pass filter with a bandwidth of 630 KHz that
reduces unwanted frequency components installed in MSM5500. And then Tx IF frequency from the
RFT3100 is filtered by band-pass filter. The nominal specification of the filter is as following.
- Nominal center frequency : 138.6 MHz
- 3 dB Bandwidth : ± 630 kHz
- Stop band attenuation : 40dB min.
The Tx RF output of the Tx Mixer and the AGC amp is filtered again by the SAW band pass filter.
The nominal specification of the filter is as follows.
- Pass band : 824 MHz ~ 869 MHz
- Attenuation : DC ~ 800MHz : 22 dB min.
869 MHz ~ 1049 MHz : 25 dB min.
1049 MHz ~ 2000 MHz : 19 dB min.
Finally, the spurious generated from Power AMP is filtered by the duplexer. The nominal specification
of the duplexer is as follows
- TX Pass band : 824 MHz ~ 869 MHz
- Attenuation : 869 MHz ~ 894 MHz : 40 dB min.
FCC Documentation- MM-5500U CDMA 1x/EVDO Modem
21/22
. confidential and proprietary information
This document is the sole and exclusive property of Maxon.
Not to be distributed or divulged without prior written agreement
9. Description of modulation system used
The MM-5500U CDMA card consists of MSM, baseband analog interface (RFT31000, IFR3300) as
modulation system. The MSM integrates functions of a CDMA processing, a digital FM(DFM)
processing, CDMA subsystem in the MSM performs CDMA signal processing about CDMA
modulation / demodulation, viterbi coding/decoding, interleaving/de-interleaving, and etc.
The CDMA baseband processor performs forward-link demodulation, time tracking and reverse-link
modulation for CDMA digital signals. The following figure shows a CDMA digital baseband processor
block diagram.
Figure 9.1 CDMA digital Baseband Block Diagram
The modulator performs the orthogonal modulation, long code PN spreading and quadrature
spreading. The resulting data stream is then band limited with FIR filters and sent to the analog
baseband processor.
The RFT3100 Transmit Signal Path (shown in figure 8-2) accepts analog I and Q data from the MSM
and outputs modulated IF centered at 138.6 MHz to the RF transmitter. The RFT3100 transmit path
outputs a differential IF signal with spread spectrum modulation expending ±630KHz from the
transmit IF center frequency of 138.6 MHz.
The analog I and Q baseband components from the CDMA low-pass filters are mixed in quadrature
with unmodulated I and Q signals at 138.6 MHz. After mixing, the I and Q IF components are
summed and output differentially. The 138.6 MHz I and Q IF VCO signals are generated on the
RFT3100.
FCC Documentation- MM-5500U CDMA 1x/EVDO Modem
22/22
. confidential and proprietary information
This document is the sole and exclusive property of Maxon.
Not to be distributed or divulged without prior written agreement
The transmitter IF VCO is set to 267.2 MHz by an external varactor-tuned resonant tank circuit. An
internal phase-lock loop and external loop filter network provides the feedback to the varactor that
tune the VCO precisely to 267.2 MHz. A master-slave divide-by-two circuit generates I and Q signals
in precise quadrature for the mixers.

Navigation menu