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LGE Internal Use Only
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3. TECHNICAL BRIEF
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3.12 H/W Sub System
3.12.1 RF Interface
A. RTR6285 (WCDMA_Tx, GSM_Tx/Rx)
MSM7201A controls RF part(RTR6285) using these signals.
■
SSBDT : SSBI I/F signals for control Sub-chipset
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TX_ON : Power AMP on RF part
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RX0_I/Q_M/P,TX_I/Q_M/P : I/Q for T/Rx of RF
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TX_AGC_ADJ : control the gain of the Tx signal prior to the power amplifier
■
DAC_REF : Reference input to the MSM Tx data DACs
Figure. Block Diagram of RF Interface
Содержание CT815
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