Nokia NKC-1X Series Technical Documentation Manual
System module
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Also See for NKC-1X Series:
- Technical documentation manual (32 pages) ,
- Assembly and disassembly instructions (14 pages) ,
- Troubleshooting instructions (34 pages)
Related Manuals for Nokia NKC-1X Series
Summary of Contents for Nokia NKC-1X Series
- Page 1 CCS Technical Documentation NKC-1X Series Transceivers System Module Nokia Corporation Issue 1 02/03...
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Page 2: Table Of Contents
Audio HW ........................17 Earpiece ........................17 Introduction ......................17 Microphone ........................17 Introduction ......................17 Buzzer ........................17 Introduction ......................17 Battery .......................... 18 Phone Battery ......................18 Introduction ......................18 Interface........................18 Battery Connector ......................19 Nokia Corporation Page 2 Issue 1 02/03... - Page 3 Keyboard Interface....................43 Display Interface ..................... 43 RF Module ........................44 Requirements ......................44 Design ........................44 Software Compensations ...................44 Main Technical Characteristics .................45 RF Frequency Plan ....................45 DC Characteristics .....................46 Power Distribution Diagram ................... 46 Nokia Corporation Issue 1 02/03 Page 3...
- Page 4 Fig 8 4-wire, fully differential headset connector pin layout..........22 Fig 9 Top View of Production Test Pattern.................23 Fig 10 Test points Located Between UEM and UPP............23 Fig 11 RF Frequency Block Plan..................45 Fig 12 Power distribution diagram ..................46 Fig 13 Nokia Corporation Page 4 Issue 1 02/03...
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Page 5: Abbreviations
Personal Computer (PC Suite = PC program for phone memory function support) Printed Wired Board Pulse Width Modulation Radio Frequency Specific Absorption Rate Software Component Factory Surface Mount Device Short Message Service Standard Product Requirement Nokia Corporation Issue 1 02/03 Page 5... - Page 6 Time Division Multiple Access. Here: US digital cellular system. Telecommunications Industry Association Teletype Universal Energy Management, a Baseband ASIC. Universal Phone Processor, a Baseband ASIC. VCTCXO Voltage Controlled temperature Compensated Crystal Oscillator Wireless Application Protocol (Browser) Nokia Corporation Page 6 Issue 1 02/03...
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Page 7: Transceiver Nkc-1X
UI with two soft keys. An internal antenna is used in the phone, and there is no connec- tion to an external antenna. The transceiver also has a low leakage tolerant earpiece and an omnidirectional microphone that provides excellent audio quality. Figure 1: Interconnecting Diagram Nokia Corporation Issue 1 02/03 Page 7... -
Page 8: Operational Modes
• nominal battery voltage: 3.6 V • maximum battery voltage: 5.0 V • minimum battery voltage: 3.1 V Temperature Conditions Temperature range: • ambient temperature: -30...+ 60 ×C • PWB temperature: -30...+85 ×C Nokia Corporation Page 8 Issue 1 02/03... - Page 9 • storage temperature range: -40 to + 85 ×C All of the EIA/TIA-136-270A requirements are not exactly specified over the temperature range. For example, the RX sensitivity requirement is 3dB lower over the –30 - +60 °C range. Nokia Corporation Issue 1 02/03 Page 9...
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Page 10: Engine Module
Most UEM pins have 2kV ESD protection, and those signals considered to be more easily exposed to ESD, have 8kV protection within the UEM. These kinds of signals are (1) all audio signals, (2) headset signals, (3) BSI, (4) Btemp, (5) Fbus and (6) Mbus signals. Nokia Corporation Page 10 Issue 1 02/03... -
Page 11: Regulators
Sleep mode. The VR1 regulator uses two LDOs (VR1A and VR1B) and a charge pump. The charge pump requires one external 1uF capacitor in the Vpump pin and a 220nF flying capacitor Nokia Corporation Issue 1 02/03 Page 11... -
Page 12: Rf Interface
TDMA) for MCU. The UEM is a dual voltage circuit: the digital parts are run from 1.8V and the analog parts are run from 2.78V. The Vbat (3,6V) voltage regulators's input is also used. Nokia Corporation Page 12 Issue 1 02/03... -
Page 13: Audio Codec
(1) MFI, (2) SCU, (3) CTSI, (4) RxModem, (5) AccIF, (6) UIF, (7) Coder, (8) BodyIF, (9) PUP. Flash Memory Introduction The NKC-1X transceiver uses a 16 Mbit flash as its external memory. The VIO regulator is used as a power supply for normal in-system operation. An accelerated program/erase Nokia Corporation Issue 1 02/03 Page 13... - Page 14 Vpp of 12 volt to the flash device. The device has two read modes: asynchronous and burst. The Burst read mode is utilized in NKC-1X, except for the start-up, when the asynchronous read mode is used for a short time. Nokia Corporation Page 14 Issue 1 02/03...
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Page 15: User Interface Hardware
Pin 3 (Vss9) is the LCD driver’s ground and Pin 9 (GND) is used to ground the metal frame. Keyboard Introduction The NKC-1X keyboard style follows the Nokia Jack style, without side keys for volume control. The PWR key is located at the top of the phone. Figure 3: Placement of keys. S Left... -
Page 16: Power Key
The frequency of the signal is fixed at 128Hz. The keyboard lights are controlled by the Klight signal from the UEM. The Klight output is also a PWM signal and is used in the same way as Dlight. Nokia Corporation Page 16 Issue 1 02/03... -
Page 17: Technical Information
UI-side. The current for the LCD and keyboard lights is limited by the resistor between the Vbatt and LEDs. Nokia Corporation Issue 1 02/03 Page 17... -
Page 18: Audio Hw
The buzzer's useful frequency range is approximately from 2 kHz to 5kHz. The Buzzer manufacturer for the NKC-1X transceiver is Star. Nokia Corporation Page 18 Issue 1 02/03... -
Page 19: Battery
The voltage seen in the outer terminals is zero (or float- ing), and the battery is activated by connecting the charger. The battery has internal pro- tection for overvoltage and overcurrent. Nokia Corporation Issue 1 02/03 Page 19... -
Page 20: Battery Connector
Connected from - to Batt. Signal properties Description / name Notes A/D--levels--freq./timing VBAT VBAT Vbat 3.0-5.1V Battery voltage (batt.) Battery size indicator (batt.) BTEMP BTEMP 40mA/ Battery Switch temperature (batt.) indicator 400mA Ground Nokia Corporation Page 20 Issue 1 02/03... -
Page 21: Accessories Interface
The voltage generated by this divider is then read by the ad- converter of UEM. The HOOKINT- interrupt is generated by the button in the headset or by the acces- sory external audio input. Nokia Corporation Issue 1 02/03 Page 21... -
Page 22: Technical Information
(using HFM-8 mutes phone microphone) Interface A 4-wire interface is implemented with 2.5mm diameter round plug/jack which is other- wise like a so-called standard stereo plug, but the innermost contact is split into two. Nokia Corporation Page 22 Issue 1 02/03... -
Page 23: Charger If
V100 protects the UEM ASIC from reverse polarity charging voltage and from too high charging voltages. C106 is also used for ESD and EMC protection. Spark gaps right after the charger plug are used for ESD protection. Nokia Corporation Issue 1 02/03 Page 23... -
Page 24: Test Interfaces
D B U S E N 1 X F B U S R X M B U S T X M B U S R X U P P ( D 4 0 0 ) Nokia Corporation Page 24 Issue 1 02/03... -
Page 25: Emc
PWB. The microphone is an asymmetrical circuit, which makes it well protected against EMC. EARP The EARP is protected with C-cover metallization and with a plastic-fronted earpiece. Buzzer PWB openings with the C-cover metallization protect the buzzer from ESD. Nokia Corporation Issue 1 02/03 Page 25... -
Page 26: System Connector Lines
0603. MBUS and FBUS The opening in the protective metal deck, underneath the battery, is so small that ESD does not get into the MBUS and FBUS lines in the production test pattern. Nokia Corporation Page 26 Issue 1 02/03... -
Page 27: Transceiver Interfaces
Note: In the following tables, the nominal signal level of 2.78V is sometimes referred to as 2.7V . Table 5: BB-RF Interface Signal Description Nokia Corporation Issue 1 02/03 Page 27... - Page 28 NKC-1X System Module CCS Technical Documentation Nokia Corporation Page 28 Issue 1 02/03...
- Page 29 NKC-1X CCS Technical Documentation System Module 70mAmax Nokia Corporation Issue 1 02/03 Page 29...
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Page 30: Bb Internal Connections
NKC-1X System Module CCS Technical Documentation BB Internal Connections Table 6: UEM Block Signal Description Nokia Corporation Page 30 Issue 1 02/03... - Page 31 NKC-1X CCS Technical Documentation System Module Table 7: UEM Block Signals to UPP Cont. Table 8: UEM Block Signals to BB and RF Nokia Corporation Issue 1 02/03 Page 31...
- Page 32 NKC-1X System Module CCS Technical Documentation Nokia Corporation Page 32 Issue 1 02/03...
- Page 33 NKC-1X CCS Technical Documentation System Module Nokia Corporation Issue 1 02/03 Page 33...
- Page 34 NKC-1X System Module CCS Technical Documentation Nokia Corporation Page 34 Issue 1 02/03...
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Page 35: Upp Block Signals
NKC-1X CCS Technical Documentation System Module UPP Block Signals Table 9: UPP to UEM Interfaces Table 10: UPP-RF Interfaces Table 11: UPP Globals Nokia Corporation Issue 1 02/03 Page 35... - Page 36 NKC-1X System Module CCS Technical Documentation Table 12: UPP to Memory Interfaces Nokia Corporation Page 36 Issue 1 02/03...
- Page 37 NKC-1X CCS Technical Documentation System Module Table 13: UPP Genios, collected although may be described in other tables too Nokia Corporation Issue 1 02/03 Page 37...
- Page 38 NKC-1X System Module CCS Technical Documentation Table 14: UPP to Key/Display Interfaces Nokia Corporation Page 38 Issue 1 02/03...
- Page 39 NKC-1X CCS Technical Documentation System Module Table 15: UPP Test Interfaces for R&D Use Nokia Corporation Issue 1 02/03 Page 39...
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Page 40: Memory Block Interfaces
NKC-1X System Module CCS Technical Documentation MEMORY Block Interfaces Table 16: MEMORY Block Interfaces Nokia Corporation Page 40 Issue 1 02/03... -
Page 41: Ir Block Interfaces (Not Used In Nkc-1X )
NKC-1X CCS Technical Documentation System Module IR Block Interfaces (not used in NKC-1X ) Table 17: IR Block Signal Description SIM Block Interfaces (not used in NKC-1X) LPRF Interfaces (not used in NKC-1X) Nokia Corporation Issue 1 02/03 Page 41... -
Page 42: Audio Interfaces
NKC-1X System Module CCS Technical Documentation Audio Interfaces Table 18: Internal Audio Nokia Corporation Page 42 Issue 1 02/03... - Page 43 NKC-1X CCS Technical Documentation System Module Table 19: External Audio Nokia Corporation Issue 1 02/03 Page 43...
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Page 44: Key/Display Blocks
NKC-1X System Module CCS Technical Documentation Key/Display blocks Keyboard Interface Table 20: KEY Block Interface Signal Description Display Interface Table 21: Display Block Signal Description Nokia Corporation Page 44 Issue 1 02/03... -
Page 45: Rf Module
• PA's bias reference currents vs. power, temp and operation mode • RX IQ DC offsets • RSSI channel compensation Main Technical Characteristics RF Frequency Plan The NKC-1X frequency plan is shown in the figure below. A 19.44 MHz VCTCXO is used Nokia Corporation Issue 1 02/03 Page 45... - Page 46 0.8 mA VFLASH1 REF_in + PLLs VCC_DIGI 50 uA VREFRF01 bias reference VREF VBATT 3.1-5.0 V RXIF frequency is set so that it is not a multiple of either VHF’s comparison frequency (120k). Nokia Corporation Page 46 Issue 1 02/03...
- Page 47 45MHz apart from each other. RXIF is 135.54 MHz and TXIF 180.54MHz. The RXIF frequency is set so that it is not a multiple of either of VHF's comparison fre- quency (120k). Nokia Corporation Issue 1 02/03 Page 47...
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Page 48: Dc Characteristics
A fully balanced mixer topology is required. Additionally, the receiver 3rd order IIP tends to depend on active mixer IIP3 linearity due to pretty high LNA gain. IF stages include a narrowband SAW filter on the 1st IF and an integrated lowpass filter- Nokia Corporation Page 48 Issue 1 02/03... - Page 49 RF front end gain control range, AGC 1 step 1st IF gain control range, AGC 2 step R X 2nd IF gain control range, 8x6dB steps Min signal level at RX-ADC input @ sensitivity digital analog Input dynamic range -116... -20 Nokia Corporation Issue 1 02/03 Page 49...
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Page 50: Amps/Tdma 800 Mhz Front End
Table 25: RF - IF-Specification Typical/ Parameter Minimum Maximum Unit/Notes Nominal Total Power up time Noise figure, total 3rd order input intercept point Max voltage gain, 78.5 Mixer + 2nd IF (IF+2nd AGC max) Nokia Corporation Page 50 Issue 1 02/03... -
Page 51: Frequency Synthesizers
A com- mon 2GHz UHFVCO module is used for operation on both low and highband. Frequency divider by two is integrated in TACO. Nokia Corporation Issue 1 02/03 Page 51... -
Page 52: Transmitter
The TX AGC SW takes samples from diode output voltage and compares that value to target value, and adjust BB I-and Q-signal amplitude and/or TACO PGA set- tings to keep power control in balance. Nokia Corporation Page 52 Issue 1 02/03... -
Page 53: Antenna Circuit
The NKC-1X antenna solution is an internal single resonance PIFA-antenna. This antenna has a common feeding point for both antenna radiators, which results in the need for a diplexer. In a singleband transceiver, a SMD compatible through chip can be used. Nokia Corporation Issue 1 02/03 Page 53... - Page 54 NKC-1X System Module CCS Technical Documentation Nokia Corporation Page 54 Issue 1 02/03...