RF-Star RF-BM-BG22A3 - Table of Contents

RF-BM-BG22A3(I)
www.szrfstar.com V1.3 - Aug., 2022
Shenzhen RF-star Technology Co., Ltd. Page 4 of 26
Table of Contents
1 Device Overview ............................................................................................................................................................. 1
1.1 Module Series ..................................................................................................................................................... 1
1.2 Description............................................................................................................................................................ 1
1.3 Key Features ....................................................................................................................................................... 1
1.4 Applications .......................................................................................................................................................... 2
1.5 Functional Block Diagram .............................................................................................................................. 3
1.6 Part Number Conventions .............................................................................................................................. 3
Table of Contents ................................................................................................................................................................ 4
Table of Figures ................................................................................................................................................................... 5
Table of Tables ..................................................................................................................................................................... 5
2 Module Configuration and Functions ...................................................................................................................... 7
2.1 Module Parameters ........................................................................................................................................... 7
2.2 Module Pin Diagram ......................................................................................................................................... 8
2.3 Pin Functions ....................................................................................................................................................... 8
3 Specifications ................................................................................................................................................................. 10
3.1 Recommended Operating Conditions ..................................................................................................... 10
3.2 Handling Ratings .............................................................................................................................................. 10
3.3 Current Consumption ..................................................................................................................................... 10
4 Setting of Frequency Offset Register .................................................................................................................... 12
5 Application, Implementation, and Layout............................................................................................................. 14
5.1 Module Photos .................................................................................................................................................. 14
5.2 Recommended PCB Footprint .................................................................................................................... 14
5.3 Schematic Diagram ......................................................................................................................................... 15
5.4 Antenna ................................................................................................................................................................ 16
5.4.1 Antenna Design Recommendation .............................................................................................. 16
5.4.2 Antenna Output Mode Modification .............................................................................................. 16
5.4.3 External Antenna Design Recommendation of the Half-Hole ANT Pin .......................... 17
5.4.4 IPEX Connector Specification ........................................................................................................ 19
5.5 Basic Operation of Hardware Design ...................................................................................................... 20
5.6 Trouble Shooting .............................................................................................................................................. 20