LG -A290 Service Manual page 35

3.7.2 Feature
BT Radio features

- Fully compliant with Bluetooth specification .1 + EDR.
- Low out-of-band spurious emissions supports simultaneous operation with GPS, GSM/GPRS worldwide radio systems
- Integrated balun.
- Supports low power scan mode support.
- Fully integrated power amplifier provides 10dBm (class 1) output power.
- -95dBm sensitivity with excellent interference rejection performance.
- AGC dynamically adjusts receiver performance in changing environments.
BT Baseband features

- Support SCO and eSCO link with re-transmission.
- Scatternet support: Up to 4 piconets simultaneously with background inquiry/page scan Sniff mode support.
- AFH and PTA collaborative support for WLAN/BT coexistence.
- PCM interface and built-in transcoders for A-law, μ-law and linear voice with re-transmission support.
- Built-in hardware modem engine for access code correlation, header error correction, forward error correction, CRC,
whitening, and encryption.
- Channel quality driven data rate adaptation.
- Channel assessment for AFH.
Platform features

- 3-bit RISC microprocessor.
- Integrated LDO enables direct connection to battery.
- Wide range of frequency of crystal and external reference clock support.
- High speed UART supports up to 4Mbps baud rate.
- Built-in RAM and ROM with patch system.
- External LPO clock support for sleep mode and FM function. Supports standard HCI interface.
- Idle mode and sleep mode design enables ultra low power performance.
FM features

-76-108 MHz worldwide FM bands with 50KHz tuning step.
-RDS / RBDS radio data system support.
-Long/short antenna support.
-30ms seek time per channel, and 6sec search time for all channels.
-Superior stereo noise reduction.
-Supports 3.768KHz clock as reference clock.
-Soft mute volume control.
-Supports automatic short antenna calibration for different FM channels.
-60dB mono SINAD with .5KHz FM deviation.
-dBuVemf sensitivity with superior interference rejection.
-0dBuVemf RDS sensitivity (dev: KHz).
-Support IS digital interface (available in WLCSP package).
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3. TECHNICAL BRIEF
Only for training and service purposes