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Nokia NPL-4 Series Manual
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Nokia NPL-4 Series Manual

Transceivers, system module and user interface
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Nokia Customer Care
NPL-4/5/RM-104 Series Transceivers
System Module and User
Interface
Copyright © 2005 Nokia Corporation. All rights reserved.
NPL-4/5/RM-104

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  • Page 1 Nokia Customer Care NPL-4/5/RM-104 Series Transceivers System Module and User Interface Copyright © 2005 Nokia Corporation. All rights reserved. NPL-4/5/RM-104...
  • Page 2 NPL-4/5/RM-104 System Module and User Interface Nokia Customer Care [This page left intentionally blank] Copyright © 2005 Nokia Corporation. All rights reserved. Page 2 Issue 2 05/05...

  • Page 3: Table Of Contents

    FCI (Functional Cover Interface) ................40 Memory ........................41 External memory .......................42 Compass ........................43 Earth magnetic field ....................43 Heading angle or azimuth (a) ................. 44 Inclination (d)......................44 Declination (l) ......................44 Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 3...
  • Page 4 Performance ......................... 62 Calibration basics .......................62 Calibration process flow ....................63 Compass digital values, limit values .................63 Clock distribution ......................65 User Interface ....................... 66 Display ........................66 UI Board ........................67 Copyright © 2005 Nokia Corporation. All rights reserved. Page 4 Issue 2 05/05...
  • Page 5 Fig 12 FCI Connector Pin Order on PWB ................41 Fig 13 Earth’s Magnetic Field .....................44 Fig 14 Earths’s Magnetic Field Components ..............45 Fig 15 Block Diagram......................46 Fig 16 Magnetometer Sensor Block Diagram ..............49 Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 5...
  • Page 6 Fig 37 RF Frequency plan ....................77 Fig 38 Power distribution diagram ..................79 Fig 39 RF Block Diagram....................81 Fig 40 Antenna Switch Module ..................85 Fig 41 Power Amplifier ......................86 Copyright © 2005 Nokia Corporation. All rights reserved. Page 6 Issue 2 05/05...

  • Page 7: Glossary Of Terms

    Chip Scale Package Digital-Analog Converter Digital Audio Interface Dual band DCT3 Digital Core Technology, 3rd generation Offset Cancellation control signal Dynamic Link Library Dynamic Range Controller Digital Signal Processor Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 7...
  • Page 8 1-wire half duplex serial bus Micro Controller Unit MCU-DSP Interface Modulator and Filter Interface Transmit Power Amplifier Personal Computer Pulse Code Modulation PCM SIO Synchronous serial bus for PCM audio transferring Copyright © 2005 Nokia Corporation. All rights reserved. Page 8 Issue 2 05/05...
  • Page 9 Radio Frequency Subscriber Identity Module UEMEK Enhanced Universal Energy Management User Interface Universal Phone Processor VCXO Voltage Controlled Crystal Oscillator VCTCXO Voltage Controlled Temperature Compensated Crystal Oscillator. Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 9...

  • Page 10: Introduction

    The UI module is described in a dedicated section of the manual. Interconnection diagram Figure 1: Interconnection diagram Keyboard Display module speaker Flashlight Battery Radio Module NPL-4/5 Charger NHL-4 Antenna IR Link Earpiece Microphone Tomahawk Accessories Copyright © 2005 Nokia Corporation. All rights reserved. Page 10 Issue 2 05/05...

  • Page 11: Temperature Conditions

    Relative humidity range is 5... 95%. This module is not protected against water. Condensated or splashed water might cause malfunction momentary. Long term wetness will cause permanent damage. Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 11...

  • Page 12: System Module

    Energy Management) IC including voltage regulators, charge control and audio circuits, audio IFH amplifier from DCT4.5) and the UPP (Universal Phone Processor including MCU, DSP and RAM from DCT4). Copyright © 2005 Nokia Corporation. All rights reserved. Page 12 Issue 2 05/05...

  • Page 13: Technical Summary

    DBUS for DSP and CBUS for MCU. There are also separate signals for PDM coded audio. Digital speech processing is handled by the DSP inside UPP ASIC. Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05...
  • Page 14 Some components are outside of shielding. Heat generated by the circuitry is conducted out via the PWB ground planes and by using buried vias between PWB layers. Copyright © 2005 Nokia Corporation. All rights reserved. Page 14 Issue 2 05/05...

  • Page 15: Pwb

    Blind vias BOTTOM DC characteristics Table 1: Battery voltage range Signal Note Battery Voltage -0.3…5.5V (Idle) Battery Voltage Max 4.8V (Call) Charger Input -0.3V …16V Voltage Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 15...
  • Page 16 2.78 2.86 VAUX3 2.78 2.86 VSIM 1.745 1.855 2.91 3.09 VR1A/B 4.75 2.78 2.86 -2.61 -2.78 -2.95 2.78 2.86 2.78 2.86 2.78 2.86 2.78 2.86 2.78 2.86 Copyright © 2005 Nokia Corporation. All rights reserved. Page 16 Issue 2 05/05...
  • Page 17 Imax = 150mA. Cam and HWA max current 60mA VANA_EXT 2.72 2.88 0.0015 150 Power supply for camera, compass and FM- radio analog parts. Imax = 150mA. Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 17...

  • Page 18: External And Internal Signals And Connections

    This section describes the external and internal electrical connection and interface levels on the baseband. The electrical interface specifications are collected into tables that covers a connector or a defined interface. Copyright © 2005 Nokia Corporation. All rights reserved. Page 18 Issue 2 05/05...
  • Page 19 UEMEK HELGO85 Voltage 2.78 2.86 V Supply for HELGO85PL L; dividers, Current 50 MA LO- buffers, Noise 240 nVrms/ prescaler, density sqrt(Hz) BW=100Hz. .. 100kHZ Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 19...
  • Page 20 Temp Coef 65 µV/C Noise 60 nVrms/ density sqrt(Hz) BW=600Hz. .. 100kHz Note VrefRF02 UEMEK VB_EXT Voltage 1.334 1.35 1.366 Voltage reference HELGO85 bias block. Not used HELGO85 Copyright © 2005 Nokia Corporation. All rights reserved. Page 20 Issue 2 05/05...
  • Page 21 10 MHz frequency RESET HELGO85 ”1” 1.38 1.85 V Reset to HELGO85 (GENIO06) ”0” 0.4 V Load 20 pF capacitance Load 220 kΩ resistance Timing ¼ symbol accuracy Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 21...
  • Page 22 Same spec as for TXIP / TXIN TXQN UEMEK VCTCXO Voltage Automatic frequency control signal for VCTCXO Resolution Bits Load kΩ resistance 100 nF capacitance Source 200 Ω Impedance Copyright © 2005 Nokia Corporation. All rights reserved. Page 22 Issue 2 05/05...
  • Page 23 Hz- 800kHz f=800kHz- 100MHz VCTCXOTE PA sheet UEMEK A/D Voltage manufactur er identifier signal 1.6 V Agilent 1.1 V RFMD 0.1 V Hitachi Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 23...

  • Page 24: Ui Board Interface Signals

    Keyboard LED [note1] LED off FCI Vout 2.8V 5.5V FCI GND FCI Da 1.19V 1.9V high 0.51V Fci Clk 1.19V 1.9V high 0.51V FCIInt 1.19V 1.9V high 0.51V Copyright © 2005 Nokia Corporation. All rights reserved. Page 24 Issue 2 05/05...

  • Page 25: Display Interface Signals

    Connected to VFLASH1 7 NC Not Connected 8 GND Ground VLED- Return current (GND) VLED LED off Supply Voltage Display 7.7V LED on for LEDs 7.2V 8.4V Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 25...

  • Page 26: System Connector Interface Signals

    Ext. audio out (left) 13 HSEAR R P Audio out 20 - 20k 1Vpp 10 Ω 14 HSEAR R N Audio out 20 - 20k 1Vpp 10 Ω Copyright © 2005 Nokia Corporation. All rights reserved. Page 26 Issue 2 05/05...

  • Page 27: Sim Interface Signals

    0.9xVSIM VSIM 3V Vol 0.15xVSIM 1.8V Vih 0.7xVSIM VSIM SIM data (input) 1.8V Vil 0.15xVSIM Trise/Tfall max 1us 3V Vil 0.7xVSIM VSIM 3V Vil 0.15xVSIM connected Ground Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 27...

  • Page 28: Fci Interface Signals

    CSX signal for 0.6V GenIO(26) 1.4V 1.8V 1.88V High CE signal for HWA and camera 0.4V GenIO(1) Reg_en 1.4V 1.8V 1.88V High 1.8V and 2.8V regulators enable/disable 0.4V Copyright © 2005 Nokia Corporation. All rights reserved. Page 28 Issue 2 05/05...

  • Page 29: Fm Radio Interface Signals

    FM input frequency FM Radio L FM Audio L 100mV Audio level FM Radio R FM Audio R 24dB 30dB Channel separation 54dB 60dB 2% Harmonic distortion Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 29...

  • Page 30: Compass Interface Signals

    0.6V CBUSENX CBUSENX 1.4V 1.8V 1.88V High CBUS enable 0.4V PURX ClrX 1.4V 1.8V 1.88V High General reset from UEMEK. 0=Reset 0.4V and 1 = No Reset Copyright © 2005 Nokia Corporation. All rights reserved. Page 30 Issue 2 05/05...

  • Page 31: Functional Description

    DSP is working etc. In Active mode the RF regulators are controlled by SW writing into UEMEK’s registers wanted settings: Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 31...

  • Page 32: Sleep Mode

    VCAMDIG and External regulators are controlled by VANA_EXT GenIO(01) Sleep mode Sleep mode is entered when both MCU and DSP are in stand–by mode. Both processors control sleepmode. Copyright © 2005 Nokia Corporation. All rights reserved. Page 32 Issue 2 05/05...

  • Page 33: Charging

    All baseband regulators are switched on at the UEMEK power on except for the SIM regulator that is controlled by the MCU. The Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05...

  • Page 34: Power Up With Pwr Key

    It will restart if new rising edge on VCHAR input is detected (VCHAR rising above VCH- DET+). Battery NPL-4/5 uses BL-5B 760 mAh Lithium Polymer battery pack. The battery size is 5.7x34x46mm. Other battery packs aren’t supported. Copyright © 2005 Nokia Corporation. All rights reserved. Page 34 Issue 2 05/05...

  • Page 35: Fig 5 Battery Pack Contacts

    Signal Pin number Function name VBAT Positive battery terminal Battery capacity measurement (fixed resistor inside the battery pack) Ground/negative/comm on battery terminal Figure 5: Battery Pack Contacts Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 35...

  • Page 36: A/D Channels

    2.8V regulators are used as a power supply (VDIG and VANA) for camera module and HW accelerator. The 2.8V regulator is common for camera, compass and FM-radio. Copyright © 2005 Nokia Corporation. All rights reserved. Page 36 Issue 2 05/05...

  • Page 37: Fm Radio

    VANA_EXT, which is common with camera and compass. Figure 7: FM Radio Audio-, Antenna- and Digital Interface Connections UEME TEA5767 Filter FMCtrlDa VAFL FMCtrlClk FMWrEn VAFR FMClk VANA_EXT VDIG/ Tomahawk VANA Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 37...

  • Page 38: Electrical Compass

    (AuxDet and Headint2) to UEMEK. Voltages are measured over 1% accuracy resistor that is connected series with tempera- ture sensor. This gives sufficient accuracy for temperature measurement without calibra- tion. Copyright © 2005 Nokia Corporation. All rights reserved. Page 38 Issue 2 05/05...

  • Page 39: Backup Battery

    The UEMEK contains the SIM interface logic level shifting. The SIM interface can be pro- grammed to support 3V and 1.8V SIM. A register in the UEMEK selects SIM supply volt- Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05...

  • Page 40: Fci (Functional Cover Interface)

    I2C in BB4.0 engine whereupon interface uses SW emulated I2C protocol. The FCI ASIP chip includes switch for power supply control and EMC filters for data lines. Copyright © 2005 Nokia Corporation. All rights reserved. Page 40 Issue 2 05/05...

  • Page 41: Memory

    MCU operation small 64-byte cache is also integrated as a part of the MCU memory interface. For program memory 8Mbit (512 x 16bit) PDRAM is integrated. RAM block can Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05...

  • Page 42: External Memory

    1M x16 bit. The memory architecture of flash memory is designed to divide its memory arrays into 263 blocks and this provides highly flexible erase and program capability. Copyright © 2005 Nokia Corporation. All rights reserved. Page 42 Issue 2 05/05...

  • Page 43: Compass

    The angle between the magnetic and the rotation axis is about 11.5°. As a consequence, the magnetic field lines do not exactly point to geographic or “true” north. Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 43...

  • Page 44: Heading Angle Or Azimuth (A)

    ±25°. The azimuth measured by a compass has to be corrected by the declination in order to find the heading direction Copyright © 2005 Nokia Corporation. All rights reserved. Page 44...

  • Page 45: Tilt (S)

    (down) Tilt ( σ) Tilt angle is angle between horizontal level and equipment level. If a compass is tilt, then this inclination has to be considered. Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 45...

  • Page 46: Hw Block Diagram

    Magnetometer sensor (2-axis) • x and y direction magnetic field sensitivity sensors -differential outputs to MagIC ASIC • set/reset circuitry for -compensating offset effect -improving performance and linearity Copyright © 2005 Nokia Corporation. All rights reserved. Page 46 Issue 2 05/05...
  • Page 47 • Controls main reset, PURX VANA_EXT, analog (external) power supply, • 2.8V for MagIC analog parts • Controlled via GenIO01 • Common with camera and FM/Radio function Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 47...

  • Page 48: Magnetometer Sensor

    -Convert magnetic earth field X and Y components to differential outputs • Set / Reset coil element -Current pulse to coil for set and reset sensor • Offset strap coil -For testing purposes Copyright © 2005 Nokia Corporation. All rights reserved. Page 48 Issue 2 05/05...

  • Page 49: Block Diagram

    Ground Measurement bridge B ground S/R+ Input Set /reset coil negative pin Vo- (B) Output Negative B measurement brigde output S/R- Ouput Set /reset coil positive pin Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 49...
  • Page 50 Vo- (A) Output Negative A measurement bridge output GND1(B) Ground Bridge B ground Vo+ (B) Output Positive B measurement bridge output Figure 17: Pin Assignment In Package Copyright © 2005 Nokia Corporation. All rights reserved. Page 50 Issue 2 05/05...

  • Page 51: Test Circuitry

    The calculation of the compass heading and the calibration of the magnetom- eter are carried out in the phone engine. The ASIC has a third magnetometer channel, but it is not used in this project. Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 51...

  • Page 52: Main Features

    The magneto-resistive bridges of all axes are biased by a single reference voltage (2.2 V) provided by the internal band- gap reference. Copyright © 2005 Nokia Corporation. All rights reserved. Page 52 Issue 2 05/05...

  • Page 53: Magic Control Interface

    SRVdd1 Power from UEME via MagIC to tank charge Vdd supply for S/R supply capacitor 1uF) (two power pads on die, double bonding to one pin) Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 53...

  • Page 54: Magic Asic - Upp Interface

    UPP general I/O MagIC ASIC system Input generated from system clock clock = 13MHz CbusDa Digital I/ CBUSDA UPP - UEME – MagIC CBUS data bidirectional bus Copyright © 2005 Nokia Corporation. All rights reserved. Page 54 Issue 2 05/05...

  • Page 55: Magic Asic - Ueme Interface

    (2.8V) GenIO01 Power Used as control signal On/ off (shutdown) (UPP) supply control of external power supply Avss Analog Ground level Negative Analog (MagIC) ground Power supply Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 55...

  • Page 56: Magic - Magnetometer Sensor Interface For Constant Current Driver

    Using external regulator for AVDD External AVDD regulation voltage level is 2.8V The analogue supply is fed from the external regulator whose output is enabled by the GenIa signal. Copyright © 2005 Nokia Corporation. All rights reserved. Page 56 Issue 2 05/05...

  • Page 57: Compass And Phone Basics

    (with declination angle). TOP direction is direction on users motion. Figure 21: Directions Through Phone Magnetic north Geographical north Builder level (air bubble) LEFT RIGHT BOTTO Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 57...

  • Page 58: General Description

    (compass rose) pointer. Measurement is always continuous, only user action can stop actions. Other functionality during active compass function: • Minimal TX RF -Location update via network • No charging • Keyboard lights always on (also during calibration) Copyright © 2005 Nokia Corporation. All rights reserved. Page 58 Issue 2 05/05...

  • Page 59: Compass Calibration Sw

    Declination angle value varies about ± 25 ° depending geo- graphical place on earth. Supply interface for manual calibration, used also for resetting calibration values Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 59...

  • Page 60: Testpoints

    Channel output B Channel B output from measurement bridge B. Signal is differential type. Testpoints J329(+), J328(-) Nominal voltage level is 1.1V to ground. Differential voltage level is 0.0V Copyright © 2005 Nokia Corporation. All rights reserved. Page 60 Issue 2 05/05...

  • Page 61: Service Software Interface (Phoenix)

    • Values of basic correction: min x, max x, min y, max y, • Values of sloped ellipse correction: scorra , scorrb Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 61...

  • Page 62: Performance

    Judges calibration success • Calculates calibration output values Calibration outputs (parameter values) • offset drift values: xmin, xmax, ymin, ymax ² 1 ellipse correction: scorra and scorrb Copyright © 2005 Nokia Corporation. All rights reserved. Page 62 Issue 2 05/05...

  • Page 63: Calibration Process Flow

    Try to find more magnetically undisturbed place Compass digital values, limit values Note: Sensitivity • 0.5mGauss /digit (raw digit on x and y channels) Limits: Min x and min y Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 63...
  • Page 64 0.75 to 1.33, typical range 0.95 to 1.05 Offset strap coil difference (with and without offset strap coil current) • 320 to 420 for both channels Copyright © 2005 Nokia Corporation. All rights reserved. Page 64 Issue 2 05/05...

  • Page 65: Clock Distribution

    Figure 24: Clock Distribution Diagram 26 MHz VCTCXO HELGA 26MHz 26 MHz 32 kHz 32 kHz SLICER RFBUSCLK 13MHz SLEEPX CBUSCLK 1MHz DBUSCLK 13MHz LCDCLK max. 6.5MHz CTSI SIMCLK max. 3.25MHz Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 65...

  • Page 66: User Interface

    STN display. LCD is connected to transceiver PWB by 10-pin board to board connec- tor. Interface is using 9-bit data transfer. Partial display function is implemented in the module. Copyright © 2005 Nokia Corporation. All rights reserved. Page 66 Issue 2 05/05...

  • Page 67: Ui Board

    When key is pressed one row is pulled down and an interrupt is generated to MCU. After receiving interrupt, MCU starts scanning procedure. All columns Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05...

  • Page 68: Power Supply For Leds

    Driver is controlled by the UEMEK via CALLED1 output. This signal is connected to driver EN-pin (on/off). R317 is used to increase converter output current. Figure 28: VLED Voltage Supply CALLED Copyright © 2005 Nokia Corporation. All rights reserved. Page 68 Issue 2 05/05...

  • Page 69: Keyboard Leds Driver

    LEDs to keep the current stable. Serial resistance 33 R is used to create the current limit with transistor Vbe voltage. - Air bubble LED is located under the air bubble. Its current consumption will be ~3.8mA. Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 69...

  • Page 70: Rm-104 Standby Light Design

    Air bubble LED is always on same time with LCD and keypad lights. When the LED is on Klight line is high state. Off: User can switch blinking effect off from the user interface. Figure 31: Standby light connections Copyright © 2005 Nokia Corporation. All rights reserved. Page 70 Issue 2 05/05...

  • Page 71: Flashlight Leds Driver

    Microphone is omni directional and it’s con- nected to the UEMEK microphone input MIC1P/N. The microphone input is symmetric and the UEMEK (MICB1) provides bias voltage. Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 71...
  • Page 72 NPL-4/5/RM-104 System Module and User Interface Nokia Customer Care Figure 33: Microphone Connection UEMEk MIC1B 2.2uF 27pF MIC1N 33nF 27pF 33nF 1000Ω@100MHz MIC1P 27pF Copyright © 2005 Nokia Corporation. All rights reserved. Page 72 Issue 2 05/05...

  • Page 73: Internal Speaker

    Figure 35: IHF Connection VBatt 100n UEMEk 220ohm/100MHz PAOUTP LM4667 PAOUTN SHUTDOWN GAINSEL GenIO(14) Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 73...

  • Page 74: Headset Connections

    HookInt comparator output to change state, in this case from 0 to 1. The button can be used for answering incoming calls but not to initiate outgoing calls. Copyright © 2005 Nokia Corporation. All rights reserved. Page 74 Issue 2 05/05...

  • Page 75: Vibra

    Vibra interface is the same like other DCT4 projects. The vibra is controlled by a PWM signal from the UEMEK. Frequency can be set to 64, 129, 258 or 520 Hz and duty cycle can vary between 3% - 97%. Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 75...

  • Page 76: Rf Module

    In addition to the RFBus there are other interface signals for the power control loop and VCTCXO control and for the modulated waveforms. Copyright © 2005 Nokia Corporation. All rights reserved. Page 76 Issue 2 05/05...

  • Page 77: Rf Frequency Plan

    DCS: 1805-1880 MHz PCS: 1930-1990 MHz 3296- 3980 DCS: 1710-1785 MHz 26 MHz VCTCXO PCS: 1850-1910 MHz VCTCXO Buffer 26 MHz I-signal Q-signal GSM: 824-849 MHz 880-915 MHz Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 77...

  • Page 78: Dc Characteristics

    PLL charge pump (4.8 V) TX modulators, ALCs, driver VCTCXO, synthesizer digital parts Helgo pre-amps, mixers, DtoS dividers, LO-buffers, prescaler LNAs, Helgo baseband (Vdd_bb) VrefRF01 ref. voltage for Helgo Vbatt Copyright © 2005 Nokia Corporation. All rights reserved. Page 78 Issue 2 05/05...

  • Page 79: Power Distribution

    100 uA 1.35 V [ 1.32V ... 1.38V ] bias reference (RXIINN, RXQINN) refRF02 100 uA 2.7 V [ 2.95V ... 4.7V ] VBAT Triple band PA Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 79...

  • Page 80: Rf Characteristics

    GSM900 : 12 GSM1800: 14 GSM1900: 14 ° EGSM: -102dBm Sensitivity, static channel (+25 GSM900: -102dBm GSM1800: -102dBm GSM1900: -102dBm Frequency Error, static channel < 0.1 ppm Copyright © 2005 Nokia Corporation. All rights reserved. Page 80 Issue 2 05/05...

  • Page 81: Rf Block Diagram

    The block diagram of the RF module can be seen below. The detailed functional descrip- tion is given in the following sections. RF block diagram NPL-4/5 & RM-104 Figure 39: RF Block Diagram Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 81...

  • Page 82: Frequency Synthesizers

    GSM1800 and GSM1900 and by four in GSM850/EGSM900. Those frequency dividers are integrated in the Helgo and in addition to the division they also provide accurate phase Copyright © 2005 Nokia Corporation. All rights reserved. Page 82 Issue 2 05/05...

  • Page 83: Transmitter

    At the upper band there is a dual mode buffer amplifier at the output of the IQ-modula- tor. is realized by a three stage power amplifier. The final amplification Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 83...

  • Page 84: Antenna Switch Module

    The antenna switch module includes: - Antenna 50 ohm input - RX GSM850/900/1800/1900 single ended outputs, - TXs EGSM900 and GSM1800/GSM1900 single 50 ohm input -3 control lines from the Helgo Copyright © 2005 Nokia Corporation. All rights reserved. Page 84 Issue 2 05/05...

  • Page 85: Power Amplifier

    DCS/PCS EGSM900 GSM1800/1900 EGSM900 Power Amplifier The power amplifier includes: - 50 ohm input and output, GSM850/EGSM900 and GSM1800/GSM1900 - internal power detector - EDGE/GSM mode selector Copyright © 2005 Nokia Corporation. All rights reserved. Issue 2 05/05 Page 85...

  • Page 86: Rf Asic Helgo

    AFC is used to lock the transceiver’s clock to the frequency of the base station. Antenna The NPL-4 (GSM850/GSM1800/GSM1900) and NPL-5 & RM-104 (EGSM900/GSM1800/ GSM1900) transceivers have their own internal antennas. Copyright © 2005 Nokia Corporation. All rights reserved. Page 86 Issue 2 05/05...

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