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KX-TG6511RU/KX-TG6512RU/KX-TGA650RU/KX-TGA651RU
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.7).
• 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
- PLL Oscillator
- Detector
- Compress/Expander
- First Mixer
- All interfaces (ex: RF Power Amp, EEPROM, LED, Analog Front End, etc.)
• RF Power Amp.: IC801
- Amplifier for transmission and reception
• EEPROM: IC401
- Temporary operating parameters (for RF, etc.)
• Additionally,
- Power Supply Circuit (+3.0 V, +2.4 V, +1.8 V output)
- Crystal Circuit (10.368 MHz)
- Charge Circuit
- Telephone Line Interface Circuit
Summary of Contents for KX-TG6511RUB
Page 2: ...2 KX TG6511RU KX TG6512RU KX TGA650RU KX TGA651RU ...
Page 14: ...14 KX TG6511RU KX TG6512RU KX TGA650RU KX TGA651RU 4 6 Signal Route ...
Page 18: ...18 KX TG6511RU KX TG6512RU KX TGA650RU KX TGA651RU 8 1 2 Handset ...
Page 27: ...27 KX TG6511RU KX TG6512RU KX TGA650RU KX TGA651RU Cross Reference Check Point Base Unit P 35 ...
Page 29: ...29 KX TG6511RU KX TG6512RU KX TGA650RU KX TGA651RU Cross Reference Check Point Handset P 39 ...
Page 44: ...44 KX TG6511RU KX TG6512RU KX TGA650RU KX TGA651RU 10 1 2 Handset ...
Page 45: ...45 KX TG6511RU KX TG6512RU KX TGA650RU KX TGA651RU 10 1 3 Charger Unit ...
Page 77: ...77 KX TG6511RU KX TG6512RU KX TGA650RU KX TGA651RU 15 4 Accessories ...