User Guide

PAMS
Technical Documentation
RAE–2
General Information
Page 1–29
Original 02/99
Power Distribution
All the digital circuitry modules use 2.8V nominal operating voltage. Power is
drawn from 1140mAh Li–Ion battery. Higher voltages are generated for LCD,
SIM and backlighting.
The diagram below describes the power distribution of the product.
Audio
The transceiver has two speakers; earpiece for the telephone interface and
handsfree (HF) speaker. Different kind of tones can be played through speak-
ers. HF speaker is driven only by CMT module. The earpiece can be driven
either by the PDA or the CMT. The transceiver has one microphone connected
to the CMT module.
The speakers are used :