Rf Technical Description - LG KT520 Service Manual

3.7 RF Technical Description

3.7.1 General Description
The RF platform of KT520 supports two different communication modes (WCDMA/GSM modes)
including four communication bands (WCDMA2100/GSM900/GSM1800/GSM1900). The all the RF
blocks can be divided into three main parts, which are a WCDMA part, a GSM, and a RF front-end.
Different from other general solutions, the RF front-end of KT520 consists of an antenna switch and an
EDGE power amplifier module (PAM).
The simplified block diagram is shown in Figure 3-7-1.
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Figure 3-7-1. Block diagram of RF part
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3. TECHNICAL BRIEF
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