7
KX-TG1034B/KX-TG1035S/KX-TGA101B/KX-TGA101S
4.2.
Circuit Operation (Base Unit)
4.2.1.
Outline
Base Unit consists of the following ICs as shown in
Block Diagram (Base Unit)
(P.6).
• DECT BBIC (
B
ase
B
and IC): IC7
- Handling all the audio, signal and data processing needed in a DECT base unit
- Controlling the DECT specific physical layer and radio section (
B
urst
M
odule
C
ontroller section)
- ADPCM code filter for speech encoding and speech decoding (DSP section)
- Echo-cancellation and Echo-suppression (DSP section)
- Any tones (tone, sidetone, ringing tone, etc.) generation (DSP section)
- DTMF receiver (DSP section)
- Clock Generation for RF Module
- ADC, DAC, timer, and power control circuitry
- All interfaces (ex: RF module, EEPROM, LED, Analog Front End, etc.)
• RF Module: IC10
- PLL Oscillator
- Detector
- Compress/Expander
- First Mixer
- Amplifier for transmission and reception
• EEPROM: IC5
- Temporary operating parameters (for RF, etc.)
• FLASH MEMORY: IC9
- Voice Prompt (TAM) D/L Area
- ICM/OGM/MEMO Recording Area
• TAM Companion: IC8
- Voice data compression and decompression
- Speaker Amp
- LED Driver
• Additionally,
- Power Supply Circuit (+3.3 V, +2.5 V, +1.8 V output)
- Crystal Circuit (10.368 MHz)
- Charge Circuit
- Telephone Line Interface Circuit
Содержание KX-TG1034B
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Страница 18: ...18 KX TG1034B KX TG1035S KX TGA101B KX TGA101S 7 Operation Instructions 7 1 Programmable Settings ...
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Страница 22: ...22 KX TG1034B KX TG1035S KX TGA101B KX TGA101S 7 5 Troubleshooting ...
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Страница 26: ...26 KX TG1034B KX TG1035S KX TGA101B KX TGA101S 8 Service Mode 8 1 Engineering Mode 8 1 1 Base Unit ...
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Страница 42: ...42 KX TG1034B KX TG1035S KX TGA101B KX TGA101S 9 1 4 5 RF BBIC Interface Signal Wave Form SYCL SYEN SYDA ...
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Страница 53: ...53 KX TG1034B KX TG1035S KX TGA101B KX TGA101S 10 1 3 Charger Unit ...
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Страница 55: ...55 KX TG1034B KX TG1035S KX TGA101B KX TGA101S 10 2 How to Replace the Handset LCD ...
Страница 67: ...67 KX TG1034B KX TG1035S KX TGA101B KX TGA101S Memo ...
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Страница 89: ...89 KX TG1034B KX TG1035S KX TGA101B KX TGA101S 15 3 Cabinet and Electric Parts Charger Unit ...