Mitsubishi Electric Telecom Europe SA
Version E
ZA le Piquet, 35370 Etrelles
Date: 04/00
Phone: +33 2 99 75 71 00
Fax: +33 2 99 75 71 47
1/29
TABLE OF CONTENTS
1 Block Diagram
3
1.1
Schematic
3
1.2
Description of Block Diagram.
3
1.2.1
IC300 One-C (VWS22100).
3
1.2.2
IC100 IPD (Rohm BH6070KU).
3
1.2.3
IC600 RF-IC (Hitachi HD155121FEB).
3
1.2.4
Memory system.
4
1.2.5
System Clock.
4
2. Battery management.
5
2.1 Block Diagram.
5
2.2 Description.
5
2.3 Charging process.
7
2.4
Main characteristics.
8
2.5
Autonomy Control.
8
2.6
Power on.
9
2.7
Power off.
10
2.8
Real Time Clock (Geo and Geo WAP)
10
3. RF Section.
11
3.1
Frequency range.
11
3.1.1
E-GSM Frequency :
11
3.1.2
DCS Frequency :
11
3.2
Synthetiser Circuit Description.
12
3.3
RF Block Diagram.
13
3.4
Reception
14
3.4.1
Reception Block Diagram.
14
3.4.2
Description of Reception Block Diagram
14
3.5
Transmission.
15
3.5.1
Transmission Block Diagram.
15
3.5.2
Description of Transmission Block Diagram.
15
3.5.3
Power Control.
16
4. Speech coder.
17
4.1
Full rate / Half rate / Enhanced full rate.
17
5. Analogue Audio.
19