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Siemens C45 User Manual
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V1.0
Page
8
o
f
46
ICM MP CCQ S
T
C45, M50 AND M
T
50
Compan
y
Confidential © Cop
y
right Siemens
AG
05/02
Circuit diagram
T
y
pe
Part No.
Signal
Source
Output
Hitachi
N840
Pin 6 SleepQ
EGOLD+ L11
Pin 7 VCC2_8
Pin 2 VCXOEN
EGOLD+ P7
Pin 1 VCC_S
YN
7
9
Table of Contents
Default Chapter
2
Table of Contents
2
1 List of Available Level 2,5E Parts C45, M50 + Mt50
4
2 Required Equipment for Level 2,5E
5
3 Required Software for Level 2,5E C45, M50 and Mt50
5
4 Radio Part
6
Power Supply RF-Part
7
Frequency Generation
9
Synthesizer: the Discrete VCXO (26Mhz)
9
Synthesizer: LO1
11
Synthesizer: LO2
13
Synthesizer: PLL
14
Antenna Switch (Electrical/Mechanical)
15
Receivers
17
Receiver: GSM900/1800 -Filter to Demodulator
17
IC Overview
19
Transmitter
20
Transmitter: Modulator and Up-Conversion Loop
20
Transmitter: Power Amplifier
21
5 Power Supply
22
Overview and Voltages
22
Power Supply ASIC
23
Battery and Charging
26
Battery
26
Charging Concept
26
6 Logic Part
28
Overview Logic/Control
28
EGOLD (PMB6850) V2.X
30
EGAIM Inside the EGOLD
31
Tasks of the EGAIM Inside the EGOLD
32
Real Time Clock (Integrated in the EGOLD+)
35
Sram
36
Flash
37
7 Acoustics
38
General
38
Vibra
39
Microphone and Loudspeaker (Ringer)
40
Loudspeaker
40
Microphone
40
Loudspeaker/Ringer
41
8 Illumination
42
9 Sim-Card and Connectors
43
SIM-Card
43
Display Connector
44
I/O-Connector
45
Battery Connector
46
4
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Siemens C45 Specifications
General
Brand
Siemens
Model
C45
Category
Cell Phone
Language
English
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