LG KU800 Service Manual page 30

3. TECHNICAL BRIEF
Figure 3.5.5-2 Power detector response, Vout vs PA output power
3.5.5 GSM/GPRS/EDGE Power amplifier (U1002 : TQM7M5003)
The TQM7M5003 is a small (7x7mm), GSM/EDGE PAM for handset applications. This module has been
optimized for excellent EDGE efficiency , ACPR and EVM in an open loop polar modulation environment at EDGE
class E2+ operation while maintaining high GSM/GPRS efficiency. The TQM7M5003 is fanout compatible with
TriQuint's other power amplifier modules. High reliability is assured by utilizing TriQuint's 3rd generation InGaP
HBT technology and by TriQuint's proven module design techniques.
Figure 3.5.6-1 GSM PA functional block diagram
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