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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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The amplifier outputs drive the RF ports of the quadrature RF-to-baseband downconverters.
The downconverted baseband outputs are multiplexed and routed to lowpass filters (one I and one Q)
having passband and stopband characteristics suitable for GMSK or 8-PSK processing.
These filter circuits include DC offset corrections. The filter outputs are buffered and passed on to the
MSM7200A IC for further processing as shown in Figure 1-3.
[Figure 1-3] RTR6285 RX feature
Содержание E900
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