Only For Training And Service Purposes - LG KP330 Service Manual

3.6.4 Thermistor
This thermistor senses temperature variations around UMTS PA to adjust PA gain deviation
for assure compliance with the applicable transmit power control standards. Negative
temperature compensation thermistor is used in the KP330.
3.6.5 GSM/GPRS/EDGE Power Amplifier
The TQM7M5012 is a ultra-small (5x5mm), GSM/EDGE Polar 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 TQM7M5012 was optimized for operation with the Qualcomm
RTR6285 regarding input power range and Rx band performance.
Copyright © 2008 LG Electronics. Inc. All right reserved.

Only for training and service purposes

KP330 Operational Description
Fig 1.6-5-1 GSM PA functional block diagram
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3. TECHNICAL BRIEF
LGE Internal Use Only