Engine; Engine Modules; Rf Engine - Nokia RM-70 Service Manual

RM-70
Nokia Customer Care System module
Board and module connections
Figure 49 Board and module connections

Engine

Engine modules

The engine contains
• RF module with Ahne ASIC
• Main processor with integrated memory (Baseband)
• Energy management - Retu and Tahvo (Baseband)
• SDRAM and NOR flash memories

RF engine

The RF module performs the high frequency operations of the engine for GSM. In both transmitter and
receiver, the modulator and demodulator operate at the channel frequency.
The core components of the RF module are:
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