Siemens A35 - Default Chapter; Table of Contents

V1.0 Page 2 of 38 ICM MP CC ST
A35-A36-A40 Company Confidential 09/01
Table of Contents:
1 LIST OF LEVEL 2,5E PARTS A35/36......................................................................................................4
2 REQUIRED EQUIPMENT..........................................................................................................................5
3 REQUIRED SOFTWARE............................................................................................................................5
4 RADIO PART................................................................................................................................................6
4.1 POWER SUPPLY FOR RF PART.............................................................................................................6
4.2 FREQUENCY GENERATION...................................................................................................................7
4.2.1 DISCRETE 13MHZ VCXO................................................................................................................7
4.2.2 VCO LO1..............................................................................................................................................8
4.2.3 VCO LO2..............................................................................................................................................9
4.2.4 PLL IC PART OF SMARTI............................................................................................................10
4.3 ANTENNA SWITCH.................................................................................................................................11
4.4 RECEIVER.................................................................................................................................................12
4.4.1 RECEIVER GSM 900/1800................................................................................................................12
4.4.2 MIXER, IF-AMPLIFIER AND DEMODULATOR .......................................................................13
4.4.3 SMARTI IC ........................................................................................................................................14
4.5 TRANSMITTER........................................................................................................................................15
4.5.1 MOULATOR AND UP-CONVERSION LOOP................................................................................15
4.5.2 POWER AMPLIFIER AND ANTENNA SWITCH..........................................................................16
5 POWER SUPPLY........................................................................................................................................17
5.1 OVERVIEW AND VOLTAGES................................................................................................................17
5.2 POVER SUPPLY ASIC..............................................................................................................................18
6 BATTERY AND CHARGING....................................................................................................................24
6.1 BATTERY...................................................................................................................................................24
6.2 CHARGING CONCEPT............................................................................................................................24