RF + MCU PCB Design Review - Phil's Lab #76

Design review of PCB containing an RF-capable STM32WB microcontroller, SMD antenna, USB, and various peripherals designed with KiCad. Going through schematic and PCB, giving tips and guidelines throughout. [SUPPORT] Free trial of Altium Designer: https://www.altium.com/yt/philslab PCBA from $0 (Free Setup, Free Stencil): https://jlcpcb.com/RHS Patreon: https://www.patreon.com/phils94 Mixed-signal hardware design course: https://phils-lab-shop.fedevel.education [GIT] GitHub: https://github.com/pms67 [TIMESTAMPS] 00:00 Introduction 00:37 Altium Designer Free Trial 01:13 'smartReflow' Repo 01:55 Schematic Overview and Segmentation 03:27 USB C 04:08 MCU Pinout and WS2812B LED 05:48 Connectors 06:11 MCU SMPS 06:29 Power Input and LDO 08:45 FETs 10:28 MCU Boot/Oscillator 12:12 RF Section 14:03 PCB Overview 15:04 Stack-Up 15:34 MCU, Decoupling, Crystal Layout and Routing 19:05 RF Layout and Routing (SMD Antenna, Controlled Impedance, Stitching) 23:01 EEPROM 23:51 Via Spacing and Transfer Vias 24:36 USB Differential Pairs 25:30 Miscellaneous (Copper Pours, Silkscreen, Placement) 26:33 Outro

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