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LGE Internal Use Only
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3. TECHNICAL BRIEF
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SKY77701 Features
3.5.4 W-CDMA 1900 POWER AMPLIFIER (U103: SKY77702)
The SKY77702 Power Amplifier Module (PAM) is a fully matched 10-pad surface mount module developed for
Wideband Code Division Multiple Access (WCDMA) applications. This small and efficient module packs full
1850–1910 MHz bandwidth coverage into a single compact package. Because of high efficiencies attained
throughout the entire power range, the SKY77702 delivers unsurpassed talk-time advantages. The SKY77702
meets the stringent spectral linearity requirements of High Speed Downlink Packet Access (HSDPA), High
Speed Uplink Packet Access (HSUPA), and Long Term Evolution (LTE) data transmission with high power
added efficiency. A directional coupler is integrated into the module thus eliminating the need for any
external coupler.
SKY77702 Functional Block Diagram.
MODULE
MMIC
Power Stage
Bias
Driver Stage
Bias
Input Match
DA
PA
Inter-Stage
Match
Output
Match
VEN (5)
VMODE_0 (4)
VMODE_1 (3)
VCC2 (10)
VCC1 (1)
RF_IN (2)
GND (7)
CPL_OUT (6)
CPL_IN (8)
(9) RF_OUT
Содержание E900
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