Interface Description EMII-1900 Service Manual Application Information SERVICE MANUAL 1.9G CDMA Wireless Kit EMII-1900 AnyDATA.NET Inc. Hanvit Bank B/D 6F Byulyang-dong Kwachon KOREA Tel) 82-2-504-3360 Fax) 82-2-504-3362 EMII-1900 V1.0 AnyDATA.
Interface Description EMII-1900 Service Manual Application Information Introduction The EMII-1900 is designed for the test and simulation of the CDMA wireless data communications. User can connect the EMII-1900 to your PC or Notebook and easily test the wireless communications. User can use this to develop your applications software even before user…s own hardware is ready. It also can be used as a debugging during user…s hardware test. Disclaimer and Limitation of Liability AnyDATA.NET Inc.
Interface Description EMII-1900 Service Manual Application Information CAUTION n Operating Requirements The user can not make any changes or modifications not expressly approved by the party responsible for compliance, otherwise it could void the user's authority to operate the equipment. To satisfy FCC RF exposure compliance requirements for a mobile transmitting device, this device and its antenna should generally maintain a separation distance of 20cm or more from a person…s body.
Interface Description EMII-1900 Service Manual Application Information Table of Contents General Introduction ................................................................................................................................ 2 CHAPTER 1. System Introduction 1. System Introduction .................................................................................................... 2. Features and Advantages of CDMA Module ........................................................... 3.
Interface Description EMII-1900 Service Manual Application Information General Introduction The EMII-1900 functions digital cellular module worked in CDMA (Code Division Multiple Access) mode. CDMA type digital mode applies DSSS (Direct Sequence Spread Spectrum) mode which is used in military.
EMII-1900 CHAPTER 1. System Introduction 1. System Introduction 1.1 CDMA Abstract The cellular system has a channel hand-off function that is used for collecting the information on the locations and movements of radio mobile telephones from the cell site by automatically controlling several cell site through the setup of data transmission routes and thus, enabling one switching system to carry out the automatic remote adjustment.
Interface Description EMII-1900 Service Manual Application Information 2. Features and Advantages of CDMA Module 2.1 Various Types of Diversities In the CDMA broadband modulation(1.25MHz band), three types of diversities (time, frequency, and space) are used to reduce serious fading problems generated from radio channels in order to obtain high-quality calls.
Interface Description EMII-1900 Service Manual Application Information 2.3 Voice Encoder and Variable Data Speed The bi-directional voice service having variable data speed provides voice communication which employs voice encoder algorithm having power variable data rate between the mobile telephone cell site and mobile station.
Interface Description EMII-1900 Service Manual Application Information and accordingly, interference is reduced by 1/3 on the average and the capacity that can be supported by the entire system is increased by three times. 2.7 Soft Capacity The subscriber capacity of CDMA system is flexible depending on the relation between the number of users and service classes. For example, the system operator can increase the number of channels available for use during the busy hour despite the drop in call quality.
Interface Description EMII-1900 Service Manual Application Information 3. Structure and Functions of CDMA Module The mobile station of CDMA system is made up of a radio frequency part and logic/control (digital) part. The mobile station antenna is connected with the transmitter/receiver via a duplexer filter so that it can carry out the transmit/receive function at the same time. The transmit frequency is the 60MHz band of 1851.25 ~ 1908.75MHz, whereas the receive frequency is the 60MHz band of 1931.
Interface Description EMII-1900 Service Manual Application Information 4. Specification 4.1 General Specification 4.1.1 Transmit/Receive Frequency Interval : 80 MHz 4.1.2 Number of Channels (Channel Bandwidth) CDMA : 42 CH (BW: 1.23MHz) 41.3 Operating Voltage : DC 6~12V 4.1.4 Operating Temperature : -30° ~ +60° 4.1.5 Frequency Stability CDMA : ⥮ 150 Hz 4.1.6 Antenna : Whip Type, 50 Ω 4.1.7 Size and Weight 1) Size : 121mm x 47mm x 24mm (L x W x D) with case 2) Weight : 112g 4.1.
Interface Description EMII-1900 Service Manual Application Information 4.3 Transmit Specification 4.3.1 Frequency Range 1851.25MHz ~ 1908.75MHz 4.3.2 Local Oscillating Frequency Range : 1749.62MHz 30MHz 4.3.3 Intermediate Frequency : 130.38 MHz 4.3.4 Max Output Power CDMA : 0.3W 4.3.5 Interference Rejection 1) Single Tone : -101dBm with Jammer of -30dBm at 1.25MHz 2) Two Tone : -101dBm with Jammer of -43dBm at 1.25MHz & 2.05MHz 4.3.7 CDMA TX Frequency Deviation : +150Hz or less 4.3.
Interface Description EMII-1900 Service Manual Application Information 4.4 MS (Mobile Station) Transmitter Frequency FA NO. CH.NO. CENTER FREQUENCY FA NO. CH.NO. CENTER FREQUENCY 1 25 1851.25 MHz 22 600 1880.00 MHz 2 50 1852.50MHz 23 625 1881.25 MHz 3 75 1853.75 MHz 24 650 1882.50 MHz 4 100 1855.00 MHz 25 675 1883.75 MHz 5 125 1856.25 MHz 26 725 1886.25 MHz 6 150 1857.50 MHz 27 750 1887.50 MHz 7 175 1858.75 MHz 28 775 1888.75 MHz 8 200 1860.
Interface Description EMII-1900 Service Manual Application Information 4.5 MS (Mobile Station) Receiver Frequency FA NO. CH.NO. CENTER FREQUENCY FA NO. CH.NO. CENTER FREQUENCY 1 25 1931.25 MHz 22 600 1960.00 MHz 2 50 1932.50MHz 23 625 1961.25 MHz 3 75 1933.75 MHz 24 650 1962.50 MHz 4 100 1935.00 MHz 25 675 1963.75 MHz 5 125 1936.25 MHz 26 725 1966.25 MHz 6 150 1937.50 MHz 27 750 1967.50 MHz 7 175 1938.75 MHz 28 775 1968.75 MHz 8 200 1940.
Interface Description EMII-1900 Service Manual Application Information CHAPTER 2. NAM Input Method 1.INSTALLATION METHOD HeadSet Power Supply (6~12V) + - 6~12V Input UART1 i PORT AnyDATA UART2 ANT Connector IDLEBUSY SMS PWR EAR/MIC ANT 8 Pin to 9 Pin Cable COM1 1) Supply the voltage of 6~12V to 2pin Connector of the EMII-1900. 2) Connect the UART1 to PC COM1 port with the RS-232C cable. 3) Install the operating program. EMII-1900 V1.0 AnyDATA.
Interface Description EMII-1900 Service Manual Application Information 2. OPERATION METHOD 1) Run PSTDM program at Windows95 or Windows98 2) Set Buad rate to the modem…s. 3) Click [DM mode] EMII-1900 V1.0 AnyDATA.
Interface Description EMII-1900 Service Manual Application Information 4) If OK is displayed in the message box, modem is now ready for communication with PC. 5) Click MENU BAR icon. EMII-1900 V1.0 AnyDATA.
Interface Description EMII-1900 Service Manual Application Information SCRIPTINPUT WINDOW 6) As shown in the picture above, service file input plane will be displayed (See if clock is running. If it isn…t, communication with PC is not activated.
Interface Description EMII-1900 Service Manual Application Information CHAPTER 3. Circuit Description 1. Overview RFT3100 receives modulated digital signals from the MSM of the digital circuit and then, changes them into analog signals by the digital/analog converter (DAC, D/A Converter) in order to create baseband signals. Created baseband signals are changed into IF signals by RFT3100 and then, fed into the Mixer after going through AGC.
Interface Description EMII-1900 Service Manual Application Information 2.3. Transmit End Bandpass Filter (F102, F103) Transmit signals that have been converted from IF signals into RF signals after passing through the RFT3100(U102) are inputted into the Power Amp (U103) after passing once again through RF BPF (F101) in order to filter out noise signals amplified during the amplification of RF signals after going through RFT3100(U102).
Interface Description EMII-1900 Service Manual Application Information 2.5.2 UHF Band Frequency Synthesizer (U202) Reference frequency that can be inputted to U202 is 3MHz~40MHz. It is the dual mode frequency synthesizer (PLL) that can synthesize the frequencies of RF band 50MHz~1200MHz and IF band 20MHz~300MHz. U202 that receives the reference frequency of 19.
Interface Description EMII-1900 Service Manual Application Information 3. Digital/Voice Processing Part 3.1 Overview The digital/voice processing part processes the user's commands and processes all the digital and voice signal processing in order to operate in the phone. The digital/voice processing part is made up of a receptacle part, voice processing part, mobile station modem part, memory part, and power supply part. 3.2 Configuration 3.2.
Interface Description EMII-1900 Service Manual Application Information 3.3 Circuit Description Receptacle Ringer MSM5105 MCP(16M+ 4M) Earpiece AUDIO Processor Mic Power Supply [Figure 3-1] Block Diagram of Digital/Voice Processing Part 3.3.1 MSM Part MSM5105, which is U401, is the core element of CDMA system terminal that includes ARM7TDMI microprocessor core. It is made up of a CPU, encoder, interleaver, deinterleaver, Viterbi decoder, MOD/DEM, and vocoder.
Interface Description EMII-1900 Service Manual Application Information 3.3.2 Memory Part Memory part, MCP consists of 16M Flash memory and 4M static RAM. In the MCP, there are programs used for terminal operation. The programs can be changed through down loading after the assembling of terminals and data generated during the terminal operation are stored temporarily and non-volatile data such as unique numbers (ESN) of terminals are stored. 3.3.3 Power Supply Part When the input voltage (4.
Interface Description EMII-1900 Service Manual Application Information 4. Level Translator Part 4.1 EMII-1900 supply power to Modem(4.0V). [Fig 4-1] The Block Diagram of Source (in brief) 4.2 UART Interface The Universal Asynchronous Receiver Transmitter (UART) communicates with serial data that conforms the RS-232 Interface protocol. The modem provides 3.0V CMOS level outputs and 3.0V CMOS switching input level. And all inputs have 5.0V tolerance but 3.0V or 3.
Interface Description EMII-1900 Service Manual Application Information 4.2.2 Signal level of RXD/TXD DTS-800 EMII-1900 +3V +3V SIPEX207 +4V PC MSM_input Vout= 2.8V V RS232 01 03 TX 02 RX 04 MSM_output RS232 PHONE TX01 RX02 TX04 RX03 VMAX = 7.68V VMAX = 6.50V VMAX = 3.00V VMAX = 3.9V VMIN = -7.68V VMIN = -6.64V VMIN = 0V VMIN = 0V [Figure 4-2] 4.
Interface Description EMII-1900 Service Manual Application Information CHAPTER 4. FCC Notice 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. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
Interface Description EMII-1900 Service Manual Application Information APPENDIX 1. Assembly and Disassembly Diagram 2. Block & Circuit Diagram 3. Part List 4. Component Layout EMII-1900 V1.0 AnyDATA.
Interface Description EMII-1900 Service Manual Application Information 1. Assembly and Disassembly Diagram DC6~12V INPUT RS232C IDLE BUSY SMS PWR i PORT AnyDATA EAR-MIC EMII-1900 V1.0 DEBUG CDMA ANT AnyDATA.
Interface Description EMII-1900 Service Manual Application Information 2. Block & Circuit Diagram 2.1. MODEM Block Diagram RF Tx SAW SW437R PAM MCP RFT3100 AB_SEL Tx IF Tank TX Local TX_AGC_ADJ 19.68MHz TX_AGC_ADJ UHF_EN VCO PLL_DATA PLL DUPLEXER PLL_CLK MSM5105 TCXO Rx IF Tank TRK_LO_ADJ EAR & 19.68MHz MIC LNA RF Rx SAW Rx IF SAW IFR 3000 60 Pin Connector Down Mix 32.768KHz 2.2. EMII-1900 Block Diagram ANT MSM5105 UART1 RS-232 MSM Inter.
Interface Description EMII-1900 Service Manual Application Information 3. Part List 3-1 DTSS-1900 Partlist NO COMPONENT NAME DESCRIPTION Lay. DESIGN NUMBER Q'ty LOGIC 1 MSM5105-A208FBGA-TR MSM5105 (208P) BOT U401 1 2 IFR3000-48BCCF-TR IFR3000 (48P) BOT U201 1 3 RFT31003-32BCCP-TR RFT3100 (32P) BOT U102 1 4 MB84VD21182A-85-PBS MCP(16M+4M) BOT U505 1 6 MIC5245-3.0VBM5 LDO (3.0V) TOP U601, U602, U603, U607, U609 5 7 MIC5245-2.7VBM5 LDO (2.
Interface Description EMII-1900 Service Manual Application Information 10 SSP-T6 X-TAL(32.768K-7.0PF) BOT X401 1 11 BFP620 LNA BOT Q101 1 12 BFP420 BUFFER AMP BOT Q201 1 13 SW437 SW-437 TOP SW102 1 14 MCA-ST-00T MOBLE SWITHCH BOT SW101 1 1 0603CS-22NXG-BC CHIP COIL(2%) 2 0603CS-27NXG-BC 3 INDUCTOR L203 1 CHIP COIL(2%) BOT L113 1 0603CS-39NXG-BC CHIP COIL(2%) TOP L106 1 4 0603CS-56NXG-BC CHIP COIL(2%) TOP L105 1 TOP L100 1 5 CI-B1005-27NSJT IND/2.7N(+-0.
Interface Description EMII-1900 Service Manual Application Information 9 GRM36C0G180J50PT 18pF-1005 Cap 10 GRM36COG220J50PT 22pF-1005 Cap BOT C130 1 TOP C211, C213 2 BOT 1 11 GRM36COG240J50PT 24pF-1005 Cap BOT C164, C165 2 12 GRM36COG270J50PT 27pF-1005 Cap BOT C246 1 13 GRM36C0G390J50PT 39PF-1005 Cap TOP C123, C126 2 14 GRM36C0G470J50PT 47pF-1005 Cap BOT C152, C230, C231, C232, 15 GRM36C0G820J50PT 82pF-1005 Cap BOT C146, C151, 2 C114, C122, C132, C417, C418, TOP 6 C501
Interface Description 25 GRM36Y5V683Z25PT EMII-1900 Service Manual Application Information 68nF-1005 Cap BOT C420 1 TOP C150 1 C170, C259, C270, C435, C452, TOP 8 C454, C514, C623 C159, C160, C218, C222, C223, 26 GRM36Y5V104Z25PT 100nF-1005 Cap C226, C228, C229, C235, BOT C260, C265, C286, C287, C291, 23 C423, C424, C426, C428, C701, C702 27 GRM36COG105J50PT 1uF-1005 Cap 28 GRM39COG102J50PT 1nF-1608 Cap BOT C101, C108, C109, 3 TOP C253 1 BOT C148 1 29 GRM39Y5V103Z25PT 10nF-
Interface Description EMII-1900 Service Manual Application Information R301, R302, R303, R308, R309, R317, R318, R319, R320, R321, R322, R323, R324, R325, R326, R327, R328, R329, R340, R341, 5 MCR01MZSJX471 470W 5%-1005 Resistor BOT R342, R343, R344, R345, R346, 45 R347, R348, R349, R350, R351, R352, R353, R354, R355, R356, R357, R358, R359, R360, R361, R362, R363, R364, R365, R366 TOP R210, R455, R610 6 MCR01MZSJX102 1KW 5%-1005 Resistor 3 R104, R220, R223, R224, R241, BOT 6 R410 7 MCR01MZSJX
Interface Description EMII-1900 Service Manual Application Information 2 DTSS-1800 TOP COVER TOP COVER 1 3 DTSS-1800 TOP FRAME TOP FRAME 1 4 DTSS-1800 BOT COVER BOT COVER 1 5 DTSS-1800 BOT FRAME BOT FRAME 1 6 DTSS-1800 LABEL LABEL 1 DNI 1 TOP R150, R107, R142, R254, R370 4 BOT R106, R155 2 RESISTOR C168 2 TOP 1 BOT C187, C224, C352 4 TOP VA301, L130 1 CAPACITOR 타 3 BOT 3-2. EM Main Board Partlist 28. Jan.
Interface Description EMII-1900 Service Manual Application Information R46,R47 R7,R8,R9,R34,R35, 7 16 MCR03MZSJX101 RESISTOR(1608) 100R TOP 17 MCR03MZSJX332 RESISTOR(1608) 3.3K TOP R1,R2,R3 3 ROHM 18 MCR03MZSJX472 RESISTOR(1608) 4.7K TOP R6 3 ROHM 19 MCR03MZSJX103 RESISTOR(1608) 10K TOP R5 3 ROHM 20 GR39COG471J50PT 470pF -1608 -capacitor TOP C9 1 MURATA 21 TA-035TCMR10M-AR TANTAL 0.1uF/35V TOP C5,C6,C7,C8 3 TOWA Elec. Cap (chip type) TOP C1 1 SAMYANG Elec.
Interface Description EMII-1900 Service Manual Application Information 4. Component Layout EMII-1900 V1.0 AnyDATA.
