LG A395 - RFSYS of MT6253 (U101)

3. TECHNICAL BRIEF
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3.5 RFSYS of MT6253 (U101)
Figure. 3.5.1 Block DIAGRAM of RFSYS
3. TECHNICAL BRIEF
32
3.5.1 GENERAL DESCRIPTION
RFSYS built in MT6255 SOC is a highly integrated RF transceiver for multi-band GMS and GPRS and EDGE-Rx
cellular systems. The features are listed as following.
 Receiver
- Quad band differential input LNAs
- Quadrature RF mixers
- Fully integrated channel filter with f
3dB
=700kHz
- 96 dB dynamic range ADC
-
24 dB PGA gain with 6 dB gain Step
Figure. 3.5.1 Block DIAGRAM of RFSYS
3.5 RFSYS of MT6253 (U101)