Lg Electronics LGC800W User Manual

Page of 31
LGC-800W
     LG Information & Communications, Ltd.
- 21 -
and Q data are generated .
In receiving, I and Q data are demodulated into symbols by the demodulator and then, de-interleaved in opposite
procedure to the case of transmission. Digital Voice data are generated from Vocoder after detecting and
correcting  the error of Viterbi Decoder.
2.3.4 Memory Part
Operatin program is stored in the Flash memory, and nonerasable data such as unique phone nulber is stored in
the EEPROM. Other data generated in phone operation is  temporarily stored in SRAM.
2.3.5 Power Supply Part
DC/DC Converter supplys 5 V to Power AMP, and regulators generate various DC voltage such as 3 V supply
used for RF/IF and Digital/Audio Processor. These DC/DC converter and regulators use 3.6 V battery.