4–24 9543HK Technical Documentation Copyright Nokia Mobile Phones Exploded view Assembly parts ITEM 1 2 3 4 7 8 9 10 11 C1 Q’TY 2 23 CODE DESCRIPTION VALUE, TYPE 9537025 9537014 9780014 6150299 9510105 9510158 9380227 9380304 9380304 0200271 Chassis Cover Antenna cable Screw RF shield 1 RF shield 2 Antenna label Continuous sheet Continuous sheet Booster module DB4 1D23393 BSH–4 1D21207 BSH–2 4C21537 NME–1 M3x8 DIN7985 2D21209 2D23397 4D22978 print. according 4D23551 print.
9543HK Technical Documentation V107 V108 V109 V111 V112 V113 V114 V115 V116 V117 V118 V200 V201 V202 V203 V204 V300 V301 V302 V303 V304 V305 V306 V307 V308 V400 V401 D200 D201 N100 N200 N201 N202 N300 X200 X201 X202 4200917 4202456 4202456 4200917 4200917 4110130 4100567 4110130 4200909 4100567 4200917 4200917 4210096 4110130 4110130 4200917 4108647 4108647 4210096 4210096 4210096 4110130 4110117 4100567 4100567 4200909 4210010 4340024 4342286 4346996 4309061 434H058 4345540 4352222 5432120 5422636 542263
14–22 9543HK Technical Documentation C208 C209 C210 C211 C212 C213 C300 C301 C302 C303 C304 C305 C306 C307 C308 C309 C310 C311 C312 C313 C314 C315 C316 C317 C318 C319 C320 C400 C401 C402 C403 C404 C405 C406 L002 L100 L101 B200 Z300 Z309 Z310 V100 V101 V102 V103 V104 V105 V106 2307816 2604110 2307816 2310424 2310752 2310350 2310350 2309852 2309919 2309852 2310350 2309852 2505164 2307816 2310350 2310350 2310350 2307816 2604093 2604110 2310350 2310350 2310350 2310350 2310350 2310350 2310544 2310544 2310544
14–21 9543HK Technical Documentation R221 R222 R223 R300 R301 R302 R303 R304 R305 R306 R307 R308 R309 R310 R311 R312 R313 R314 R315 R316 R317 R318 R400 R401 R402 R403 R404 R405 R406 C100 C101 C102 C103 C104 C105 C106 C107 C108 C109 C110 C200 C201 C202 C203 C204 C205 C206 C207 1413603 1413635 1412430 1413924 1413836 1413924 1413836 1413836 1412335 1411669 1411669 1411669 1411669 1411669 1411669 1412335 1412409 1412409 1412423 1413635 1412261 1413635 1412430 1412423 1413924 1412416 1413924 1411669 1413924
14–20 9543HK Technical Documentation Copyright Nokia Mobile Phones Parts list of DB4 ITEM CODE DESCRIPTION R077 R100 R101 R102 R103 R104 R105 R106 R107 R108 R109 R110 R111 R112 R113 R114 R115 R116 R117 R118 R119 R120 R200 R201 R202 R203 R204 R205 R206 R207 R208 R209 R210 R211 R212 R213 R214 R215 R216 R217 R218 R219 R220 1412335 1412536 1412430 1412536 1412430 1412430 1413635 1412430 1412430 1412423 1412536 1412430 1412310 1412261 1412409 1412430 1412261 1412261 1413635 1412335 1413635 1413635 14136
9543HK Technical Documentation Layout diagrams of DB4 14–19 Copyright Nokia Mobile Phones
9543HK Technical Documentation Circuit diagram of transmitter section 14–18 Copyright Nokia Mobile Phones
9543HK Technical Documentation Circuit diagram of CPU section 14–17 Copyright Nokia Mobile Phones
543HK Technical Documentation External signals to internal signals 14–16 Copyright Nokia Mobile Phones
9543HK Technical Documentation Circuit diagram of receiver section 14–15 Copyright Nokia Mobile Phones
9543HK Technical Documentation 14–14 Copyright Nokia Mobile Phones RF and baseband interconnection and external connections
9543HK Technical Documentation Power Distribution Diagram 14–13 Copyright Nokia Mobile Phones
9543HK Technical Documentation Block Diagram 14–12 Copyright Nokia Mobile Phones
9543HK Technical Documentation 14–11 Copyright Nokia Mobile Phones Control logic Control logic consists of the MBUS buffer and BENA receiver. MBUS transmitting is buffered via transistors V111 and V112. R119 and R117 are collector resistors, V114 is a protection diode for the situation when the cpu has no power. This diode prevents the pull–down of the MBUS during power down. R115, C110 and R116 are protection components.
14–10 9543HK Technical Documentation Copyright Nokia Mobile Phones If there is any voltage from the detector, the cpu will shut off the mosfets V108 and V109 and so the bias–supply of the PA module. Then it will inform the handportable about the situation. Power supply logic Power supply logic has following subparts: power on logic, overvoltage protection, 5 V regulator for logic, 9 V regulator for the analog section, power switch for PA. The battery voltage V+ comes through connector X200.
9543HK Technical Documentation 14–9 Copyright Nokia Mobile Phones EEPROM D201 is connected to ports P5 (data) , P3 ,P1 (address) and P6 (control). Resistors R211–R213 are used to ensure that the control lines are in inactive state during reset. The CPU has an internal A/D converter wich is used to measure temperature, rf output power and voltage levels. The reset generator IC TL7702AID and one quarter of the opamp N202 are used to generate 5.
9543HK Technical Documentation 14–8 Copyright Nokia Mobile Phones C309–C312 are RF bypass capasitors for the PA module’s power lines. C306 is energy storing capasitor for digital mode switcing transients. C317–C319 are RF bypass capasitors for power detector. C316 prevents detected dc voltage shortcircuit to ground via directional coupler. Microstriplines and coils: Z301 and Z302 are PIN diode attenuator matching lines. Z303 is ground return line for the PIN diode current and also resonating with C305.
9543HK Technical Documentation 14–7 Copyright Nokia Mobile Phones Power amplifiers Transmitted constant level signal from handportable TRX is routed via duplexer Z300 to fixed attenuator pad. Then signal goes through the voltage controlled variable PIN diode attenuator. This stage has about 38 dB control range and it takes care of the power ramping and desired power level setting in both analog and digital modes. After that the signal is fed to power amplifier module, which has 37 dB gain.
9543HK Technical Documentation 14–6 Copyright Nokia Mobile Phones Functional Description Circuit Description The heart of the control logic is the Hitachi H8/534 microcontroller running 11.0592 MHz. It adjusts the output power accordingly to a given power level and temperature. The controller also monitores TX output power and can switch power off from the power amplifier if any false transmission is detected.
14–5 9543HK Technical Documentation Copyright Nokia Mobile Phones RF_IN connector, X201 Pin Symbol Description 1 RF_IN Input to input duplexer • min./typical/max. +10 dBm/+14 dBm/+16 dBm • DC connected to ground via duplexer 2 GND Ground connection RF_OUT connector, X202 Pin Symbol Description 1 RF_OUT Output from output duplexer • min./max. +6.8 dBm/+34.
14–4 9543HK Technical Documentation Copyright Nokia Mobile Phones Technical Specifications Modes of Operation The module has two operation modes, analog and digital.
14–3 9543HK Technical Documentation Copyright Nokia Mobile Phones Basic Specifications Cellular system TX frequency band RX frequncy band Power class Maximum output power Power supply voltage Current consumption, stand by Current consumption, analog mode trans. Current consumption, digital mode trans. North American Dual–mode 824.010,...848.970 MHz 869.010,...893.970 MHz 1 3W 10.5,...16 V < 0.1 mA 2.5 A (full power) 1.
14–2 9543HK Technical Documentation Copyright Nokia Mobile Phones Introduction Technical Summary RF booster is an accessory device to increase handportable tranceiver transmit power. Handportable is a power class IV transceiver. Booster is built for power class I. Modes of operation are analog and digital. Booster contains also a RF preamplifier for handportable receiver. Necessary control logic is included. Main functions of the logic are: TX power control and compensation.
14–1 9543HK Technical Documentation Copyright Nokia Mobile Phones Contents Introduction Technical Summary List of Modules and parts of RF booster Basic Specifications List of Submodules Technical Specifications Modes of Operation External Signals and Connections Internal Signals and Connections Functional Description Circuit Description Block Diagram Power Distribution Diagram RF and baseband interconnection and external connections Circuit diagram of receiver section External signals to internal signa
