Table of Contents
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3.21.1. Design Considerations ................................................................................................... 77
3.21.2. Flashlight Interfaces ....................................................................................................... 79
3.22. Sensor Interfaces ...................................................................................................................... 80
3.23. Audio Interfaces ........................................................................................................................ 80
3.23.1. Reference Circuit Design for Microphone Interfaces ..................................................... 82
3.23.2. Reference Circuit Design for Earpiece Interface ........................................................... 83
3.23.3. Reference Circuit Design for Headphone Interface ....................................................... 83
3.23.4. Reference Circuit Design for Loudspeaker Interface..................................................... 84
3.23.5. Audio Interfaces Design Considerations........................................................................ 84
3.24. Emergency Download Interface ................................................................................................ 85
4
Wi-Fi and BT ....................................................................................................................................... 86
4.1.
Wi-Fi Overview .......................................................................................................................... 86
4.1.1.
Wi-Fi Performance ......................................................................................................... 86
4.2.
BT Overview .............................................................................................................................. 88
4.2.1.
BT Performance ............................................................................................................. 89
5
GNSS ................................................................................................................................................... 90
5.1.
GNSS Performance .................................................................................................................. 90
5.2.
GNSS RF Design Guidelines .................................................................................................... 91
6
Antenna Interfaces ............................................................................................................................. 92
6.1.
Main/Rx-diversity Antenna Interfaces ....................................................................................... 92
6.1.1.
Main and Rx-diversity Antenna Interfaces Reference Design ....................................... 95
6.1.2.
Reference Design of RF Layout..................................................................................... 96
6.2.
Wi-Fi/BT Antenna Interface ....................................................................................................... 98
6.3.
GNSS Antenna Interface ........................................................................................................... 99
6.3.1.
Recommended Circuit for Passive Antenna .................................................................. 99
6.3.2.
Recommended Circuit for Active Antenna ................................................................... 100
6.4.
Antenna Installation ................................................................................................................. 100
6.4.1.
Antenna Requirements ................................................................................................ 100
6.4.2.
Recommended RF Connector for Antenna Installation ............................................... 101
7
Electrical, Reliability and Radio Characteristics .......................................................................... 103
7.1.
Absolute Maximum Ratings .................................................................................................... 103
7.2.
Power Supply Ratings ............................................................................................................. 103
7.3.
Operation and Storage Temperatures ..................................................................................... 104
7.4.
Current Consumption .............................................................................................................. 105
7.5.
RF Output Power .....................................................................................................................111
7.6.
RF Receiving Sensitivity ......................................................................................................... 114
7.7.
Electrostatic Discharge ........................................................................................................... 116
8
Mechanical Dimensions .................................................................................................................. 118
8.1.
Mechanical Dimensions of the Module ................................................................................... 118
8.2.
Recommended Footprint ........................................................................................................ 120
8.3.
Top and Bottom View of the Module ....................................................................................... 121
SC600Y&SC600T_Hardware_Design
Smart LTE Module Series
SC600Y&SC600T Hardware Design
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