Table Of Contents - Infineon AIROC CYW20835 User Manual

AIROC™ CYW20835 Bluetooth® LE system on chip hardware design
guidelines

Table of contents

Table of contents
About this document ....................................................................................................................... 1
Table of contents ............................................................................................................................ 2
1 Basic layout guidelines ........................................................................................................... 3
2 Component placement ........................................................................................................... 4
2.1 Antenna placement ................................................................................................................................. 4
2.2 PCB antenna ............................................................................................................................................ 4
2.3 Crystal placement ................................................................................................................................... 4
2.4
Decoupling capacitors ............................................................................................................................ 5
2.5 Ground vias .............................................................................................................................................. 5
2.6 Bandpass filter ......................................................................................................................................... 5
2.7 Analog mic signals ................................................................................................................................... 5
2.8 Serial flash ............................................................................................................................................... 6
2.9 Layer 2, solid ground fill .......................................................................................................................... 6
2.10 Power traces ............................................................................................................................................ 6
2.11 Avoid routing DC power in a loop ............................................................................................................ 6
2.12 Power inductor ........................................................................................................................................ 7
2.13 Layer 4 ...................................................................................................................................................... 8
2.14 Assembly instructions ............................................................................................................................. 9
Revision history............................................................................................................................. 10
User Guide 2 of 11 002-34024 Rev. **
2021-10-05