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3.1.6 Mixed Signal
• Improved audio performance
• Loudspeaker Audio Class D Amplifier, 700 mW@8
• Stereo Headset 2x30 mW@16
• Mono Earpiece 100 mW@16
• Digital microphone supported
• Differential microphone inputs
3.1.7 FM Radio
• Integrated FM radio
– FM Stereo RDS Receiver
– Sensitivity 2 V EMF
– Support for US & EU bands
– Stereo recording
3.1.8 Power Management
• Direct-to-Battery Connection
– LDOs (incl. capless)
– DC/DC step-down converter
– DC/DC step-up for white LED supply
• Battery Type
– Li-Polymer
• Charging control
– Battery temperature
– Watchdog protection
– Start-up on flat battery
• External Charger
– Switch mode
• USB battery charging
– USB charging spec 1.0 compliant
• Backlight
– Up to 4 serial white LEDs (integrated LDO)
3.1.9 Sub Display
• LED Module Display
– 115 LEDs (5x23 LEDs)
– RED Color
– Display Surface : 7.5 mm x 27.9 mm
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
mono for hands-free and ringing
w/o coupling C
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3. TECHNICAL BRIEF
3. TECHNICAL BRIEF
LGE Internal Use Only
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