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3. TECHNICAL BRIEF
3.4 GPS MODE
3.4.1 GPS RECEIVER
The GPS receicer input employs a single-ended connection realized by this pin. The GPS input is
routed from the GPS antenna switch, through a bandpass filter and then an impedance transformer
circuit that optimally matches the impedance looking into the GPS LNA. The impedance transformer
circuit topology is shown in Figure 3-6.
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
[Figure 3.6] GPS Input Network Topology
Содержание KT610
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