KX-TGA914EXS - Panasonic Telephone Service Manual (repair manual). Page 8

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Camera Unit consists of the following ICs as shown in Block Diagram (Camera Unit) (P.7).

• DECT BBIC (Base Band IC): IC1

- Handling all the audio, signal and data processing needed in a DECT camera unit
- Controlling the DECT specific physical layer and radio section (Burst Module Controller section)
- Echo-cancellation and Echo-suppression (DSP section)
- Registration tone generation (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: IC105

- PLL Oscillator
- Detector
- Compress/Expander
- First Mixer
- Amplifier for transmission and reception

• EEPROM: IC2

- Temporary operating parameters (for RF, etc.)

• FLASH MEMORY: IC5
• Reset IC: IC4

- +2.2 V reset

• Regulator IC: IC3

- +2.7 V regulator

• Regulator IC: IC104

- +2.5 V regulator

• Camera module,

- C-MOS image censor
- JPEG codec
- Signal processing

• Additionally,

- Crystal Circuit (10.368MHz)