Power Amplifier Module - LG KM500 Service Manual

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3. HW Circuit Description
3.2.4.2 Logic Table for Selection
GSM900_Tx
GSM1800 / 1900_Tx
GSM900_Rx
GSM1800_Rx
GSM1900_Rx

3.2.5 Power Amplifier Module

for Quad-band GSM/GPRS/EDGE
3.2.5.1 PAM Specification
-. Quad band GSM, GPRS & Polar Loop EDGE Amplifier
-. For 3.5V nominal operation
-. Built-in LDO circuit
-. GPRS Class 12 operation compatible
-. Integrated directional coupler
3.2.5.2 Circuit Diagram and peripheral components
LGE Internal Use Only
Vc1
2.6V
0V
0V
0V
0V
<Table> Band SW Logic Table
PAM
- 18 -
Vc2
Current
0V
8.0 mA
2.6V
8.0 mA
0V
<0.5µA
0V
<0.5µA
0V
<0.5µA
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes

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