Block Diagram 2 of 2

FCC ID: PZWBHT300WB

Block Diagram

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FCCID_579100

Block diagram of BHT-300BWB

Charge circuit Main Battery Memory Backup Source
Li-ion 4.2V

DC/DC
5V

DC/DC DC/DC
1.9V 3.4V

ANT ANT

Vibrator Bluetooth
Module

CCD
Key Board
A/D
Converter LCD
Gate
CPU
Array Bepper
LED

EIA232C I/F
RTC
Optical I/F
Back
Light
FROM

SRA
IEEE802.11b
Module

Block diagram of BHT-300QWB

Charge Main Battery
Memory Backup Source
Circuit Li-ion 4.2V

DC/DC
DC/DC 5V 4.2V

DC/DC DC/DC
1.8V 3.3V

ANT ANT

RTC Bluetooth
Module

LED

Back
Light Key Board

LCD
Vibrator
CPU Gate
Bepper
Array
CCD EIA232C I/F

LED Optical I/F
FPGA
Laser FROM

SRAM SRA
IEEE802.11b
Module

Document Created: 2005-06-28 10:52:37
Document Modified: 2005-06-28 10:52:37

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