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Nokia N96 Service Manual: Block Diagram

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System Module
RF description

Block diagram

Figure 67 RF block diagram
The RF block diagram for RM-247 uses RF ASIC N7505 that performs the RF back-end functions of receive and
transmit function of the cellular transceiver.
Receiver (RX)
An analogue signal is received by the phone's antenna. The signal is converted to a digital signal and is then
transferred further to the baseband (eg. to the earpiece).
The receiver functions are implemented in the RF ASIC.
Signals with different frequencies take different paths, therefore being handled by different components.
The principle of GSM and WCDMA is the same.
Issue 1
Page 7 –33
Copyright © 2008 Nokia. All rights reserved.



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L3, L4

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