Nokia 450 RF Block
After Sales Technical Documentation
THF–9 Series Transceivers
Chapter 1
RF Block
Original 49/96
THF–9
After Sales
RF Block
Technical Documentation
CONTENTS
System Module GP3 4 – 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Introduction 4 – 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Technical Section 4 – 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
External and Internal Connectors 4 – 4. . . . . . . . . . . . . . . . . . . . . . . . . .
Bottom Connector X120 4 – 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
UIF connector X130 4 – 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Control Signals 4 – 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Baseband Module 4 – 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Introduction 4 – 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Technical Summary 4 – 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Technical Specifications 4 – 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Modes of Operation 4 – 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maximum Ratings 4 – 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DC Characteristics 4 – 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CTRLU 4 – 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Introduction 4 – 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Technical Specifications 4 – 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CTRLU Internal Signals, Inputs 4 – 11. . . . . . . . . . . . . . . . . . . . . . . . . . .
CTRLU Internal Signals, Outputs 4 – 12. . . . . . . . . . . . . . . . . . . . . . . . . .
Block Description 4 – 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Main Components 4 – 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Controller Ports 4 – 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PWRU 4 – 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Introduction 4 – 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Technical Specifications 4 – 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PWRU Internal Signals, Inputs 4 – 18. . . . . . . . . . . . . . . . . . . . . . . . . . . .
PWRU Internal Signals, Outputs 4 – 18. . . . . . . . . . . . . . . . . . . . . . . . . .
Block Description 4 – 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Block Diagram of MUUMI 4 – 21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Main Components 4 – 21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Audio 4 – 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Introduction 4 – 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Main features 4 – 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Technical Specifications 4 – 23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Audio Internal Signals, Inputs 4 – 23. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Audio Internal Signals, Outputs 4 – 23. . . . . . . . . . . . . . . . . . . . . . . . . . .
Pin list of NIPA 4 – 24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Block Description 4 – 26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transmit (TX) Audio Signal Path 4 – 27. . . . . . . . . . . . . . . . . . . . . . . . . .
Receive (RX) Audio Signal Path 4 – 28. . . . . . . . . . . . . . . . . . . . . . . . . . .
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Original 49/96
After Sales
THF–9
Technical Documentation
RF Module 4 – 31. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Introduction 4 – 31. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Technical Specifications 4 – 31. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Modes of Operation 4 – 31. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Control Signals and RF/System Block Interface 4 – 31. . . . . . . . . . . . .
Software Compensation Algorithms 4 – 32. . . . . . . . . . . . . . . . . . . . . . . .
RSSI vs. Temperature and Channel 4 – 32. . . . . . . . . . . . . . . . . . . . . . . .
Receiver Automatic Gain Control (AGC) 4 – 32. . . . . . . . . . . . . . . . . . . .
Current Consumption 4 – 33. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Functional Description 4 – 33. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Receiver 4 – 33. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Synthesizers 4 – 34. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transmitter 4 – 35. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RF Block
Original 49/96
Page 1 – 3
THF–9
After Sales
RF Block
System Module GP3
Introduction
GP3 is the baseband/RF module of the THF–9 cellular tranceiver. The
GP3 module carries out all the system and RF functions of the tranceiver.
The system module GP3 is designed for a handportable phone, that operates in the NMT 450i system.
Technical Section
All functional blocks of the system module are mounted on a single multi
layer printed circuit board. The chassis of the radio unit contains separating walls for baseband and RF. All components of the baseband are surface mountable. The connections to accessories are fed through the bottom connector of the radio unit. The connections to user interface –module (UIF) are fed through board to board connector. There is no physical
connector between RF and baseband.
Technical Documentation
External and Internal Connectors
The system module has two connector, external bottom connector and
internal UIF module connector.
Bottom Connector X120
4
Battery connector
3
2
X120
1
4
Charging connector
3
2
Antenna
connector
2
1
16
System connector
9
18
1
1
21
X130
UIF module connector
D0000323
Page 1 – 4
Original 49/96
After Sales
THF–9
Technical Documentation
System Connector
Signal Name Pin Notes
GND 1, 3, 9 Power supply ground.
XMIC 2 External audio input from accessories
or handsfree microphone. There is a
pulldown resistor to turn the booster
on.
M2BUS 5 Serial bidirectional data and control be-
tween the handphone and accessories.
A 10k pull–up resistor in HP.
HOOK 6 HOOK–indication. The phone has a
100k pull–up resistor.
PHFS 7 Hands–free device power on/off.
XEAR 10 External audio output to accessories
or handsfree speaker.
There is a 100k pull–down to turn on
the junction box.
RF Block
BGND BGND Battery connector
BTEMP BTEMP Battery connector, Battery temperature
BSI BSI Battery connector
VBAT B+ Battery connector
VCS 8,16,CH+,
DC+
RFOUT RFOUT To duplex filter
RF RF From antenna
RFGND RFGND Ground for antenna
Battery charging voltage
Original 49/96
Page 1 – 5
THF–9
After Sales
RF Block
UIF connector X130
Signal Name Pin Notes
VL3 1 Logic supply voltage 4.75V
GND 2, 29 Ground
VBAT 3, 30 Battery voltage
LIGHTS 4 Backlights on/off
UIF(0:3) 5 – 8 Parallel data for LCD driver
UIF(4:5) 9 – 10 Lines for keyboard read and LCD con-
troller data
LCD_RW 9 LCD Driver read/write selection input
LCD_RS 10 LCD Driver register selection input
XLCDEN 11 LCD Driver chip select
ROW2 12 Line for keyboard read
Technical Documentation
XPWROFF 13 Power off control
COL(0:3) 13 – 16 Lines for keyboard write
CALL_LED 17 Call led enable
MICP 18 Microphone (positive node)
MICN 19 Microphone (negative node)
EARP 20 Earpiece (positive node)
EARN 21 Earpiece (negative node)
BUZZER 22 Buzzer control
XPWRON 23 Power on control from keyboard
ROW0 24 Line for keyboard read
LCDCLK 25 Clock signal for display
ROW1 26 Line for keyboard read
ROW3 27 Line for keyboard read
Page 1 – 6
Original 49/96
After Sales
bits/s
HP
ing con
THF–9
Technical Documentation
Control Signals
Pin /
Conn.
5/system M2BUS
6/system HOOK
7/system PHFS
Line Symbol Min Typ /
Max Description
Nom
0V 0.7V Input low level
2.3V 5.25VInput high level
0V 0.2V 0.35VOutput low level
4.1V 4.5V 5.0V Output high level
0V 0.7V Input low level
2.3V 3.5V Input high level
0V 0.2V 0.4V Output low, power
off
4.1V 4.5V 5.0V Output high, power
on
RF Block
Isink<5m
ABaud
rate 9600
.
Hook
HF device power on/off
8, 16/system
2/battery BSI
3/battery BTEMP 1.0V A 15k NTC between BTEMP
4/UIF LIGHTS
9–10/UIF UIF(4:5)
VCS
11V 12V 13V Isink < 730mA
730mA800mA870mAUin < 11V
503m
V
1.19V 1100mAh NiCd
1.65 V 1500mAh NiMH
0V 0.4V Output low, back-
2.8V 3.3V Output high, back-
0V 0.7V Input low
2.3V 3.6V Input high
500mAh NiMH
and ground in battery pack.
A 33k pull–up resistor in HP.
Vibrator control output (AC–
controlled)
lights off
lights on
A 100k
pull–up
resistor in
.
Backlight–
trol for
keymat
Keypad
input
5–11/UIF
12/UIF ROW2
Original 49/96
0V 0.4V Output low
2.3V 3.3V Output high
0V 0.7V Input low
2.8V 3.3V Input high
Output
for LCD
Keypad
input
Page 1 – 7
THF–9
After Sales
RF Block
MinLine SymbolPin /
Conn.
13–16/UIFCOL(0:3) 0V 0.7V Output low Keypad
17/UIF CALL_LED
22/UIF BUZZER
24/UIF ROW0
26/UIF ROW1
0V 0.4V Output low, call led
2.8V 3.3V Output high, call
0V 0.4V Output low, buzzer
2.8V 3.3V Output high, buzz-
0V 0.7V Input low
2.8V 3.3V Input high
0V 0.7V Input low
2.8V 3.3V Input high
Nom
off
led on
on
er off
Technical Documentation
DescriptionMaxTyp /
output
Keypad
input
Keypad
input
27/UIF ROW3
0V 0.7V Input low
2.8V 3.3V Input high
Keypad
input
Page 1 – 8
Original 49/96
After Sales
THF–9
Technical Documentation
Baseband Module
Introduction
Baseband module controls the internal operation of the phone. It controls the
user interface, i.e. LCD driver, keyboard and audio interface functions. The
module performs all signalling towards the system and carries out audio–frequency signal processing. In addition, it controls the operation of the transceiver and stores tuning data for the phone.
Technical Summary
All functional blocks of the baseband are mounted on a single multi layer
printed circuit board. This board contains also RF–parts. The chassis of the
radio unit contains separating walls for baseband and RF. All components
of the baseband are surface mountable. They are soldered using reflow . The
connections to accessories are fed through the bottom connector of the radio unit. The connections to User Interface –module (UIF) are fed through
a board to board connector . There is no physical connector between RF and
baseband.
RF Block
List of submodules
CTRLU Control Unit for the phone
PWRU Power supply
AUDIO Audio
RX Receiver
TX Transmitter
SYNT Synthesizer
These blocks are only functional blocks and therefore have no type nor
material codes.
Technical Specifications
Modes of Operation
The module has three operating modes: stand–by ,listening and the conversation mode.
Standby mode:
CPU‘s clock is switched off, only NIPA timer is running to take care battery save timings.
If charger is connected CPU‘s clock doesn‘t go to standby mode.
Original 49/96
Page 1 – 9
THF–9
After Sales
RF Block
Listening mode:
In the listening mode some blocks of the audio IC (NIPA) are in standby
state.
Conversation mode:
In the conversation mode all ICs are active.
Maximum Ratings
Operating ambient temperature range: –25 ... +55 °C.
Storage temperature range: –40 ... +85 °C.
VBAT max. 8.6 V (TX off) 7.5 V (TX on)
VCS max. 11.6 V.
Charging of the batteries is possible only in temperature range +5 ... +45 °C.
Technical Documentation
DC Characteristics
Pin / Conn. Line Symbol Minimum Typical /
Nominal
VCS
VBA T 5.3V 6.0V 8.8V
VRF 5.3V 6.0V 8.8V VBAT for RF mod-
VA 3.2V 3.3V 3.42V Imax = 40mA
VL 3.2V 3.3V 3.42V Imax = 20mA
VL2 3.2V 3.3V 3.42 Imax = 20mA
VL3 4.5V 4.75V 5.0V Imax = 180mA
VL4 3.8V 4.1V 4.6V Imax = 40mA
VREF 3.2V 3.3V 3.42V Imax = 5mA
11.0V 12.0V 13.0V chargers
730mA 800mA 870mA
Maximum Unit / Notes
ule
Page 1 – 10
Original 49/96
After Sales
THF–9
Technical Documentation
RF Block
CTRLU
Introduction
The Control block controls all phones functions and it includes modem
and SIS–processor too.
Technical Specifications
CTRLU Internal Signals, Inputs
Signal Description From
VL2 Logic supply voltage, 3.3V. PWRU
VL3 Logic supply voltage, 4.75V. PWRU
VL4 Supply voltage for SIS processor. PWRU
VREF Reference voltage 3.3V 3%. Max. PWRU
XRES Reset line from MUUMI PWRU
PWRON Power on signal from MUUMI PWRU
VCHARG Charger voltage to A/D converter PWRU
VBATSW Battery voltage to A/D converter. VCHARG
CLKMCU Clock signal from NIP A. AUDIO
NMI No maskable Interrupt reques from NIPA AUDIO
XINT Interrupt reques from NIPA. AUDIO
HOOK HOOK–indication SYSTEM
BTEMP Battery temperature SYSTEM
BSI Battery size indication SYSTEM
M2BUS Serial interface SYSTEM
RFTEMP RF temperature SYNT
RSSI Received signal strenght indication RX
TXI Transmitter output power level indication TX
XPWRON Power buttom from UIF. UIF
ROW0 Line for keyboard read. UIF
ROW1 Line for keyboard read. UIF
ROW2 Line for keyboard read. UIF
ROW3 Line for keyboard read. UIF
Original 49/96
Page 1 – 11
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