STM32W108B-SK STMicroelectronics, STM32W108B-SK Datasheet - Page 2

no-image

STM32W108B-SK

Manufacturer Part Number
STM32W108B-SK
Description
STARTER KIT FOR STM32W108
Manufacturer
STMicroelectronics
Series
STM32r
Type
MCUr

Specifications of STM32W108B-SK

Featured Product
STM32 Cortex-M3 Companion Products
Contents
Board
Silicon Manufacturer
ST Micro
Core Architecture
ARM
Core Sub-architecture
Cortex - M3
Silicon Core Number
STM32
Silicon Family Name
STM32W108xx
Kit Contents
Board
Features
IEEE
Mfg Application Notes
STM32W108 Adjacent Channel Rejection Measurements
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With/related Products
*
Lead Free Status / Rohs Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
STM32W108B-SK
Manufacturer:
ST
0
Contents
Contents
1
2
3
4
2/14
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Reference design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2.1
2.2
2.3
Non-RF design considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.1
3.2
3.3
3.4
3.5
3.6
3.7
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
1.2V regulator loading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
1.8V net decoupling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
RF design guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1.1
2.1.2
2.1.3
2.1.4
2.1.5
2.1.6
RF layout guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.2.1
Other design considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
High-frequency (24-MHz) crystal reference (X1, C5, and C6) . . . . . . . . . 10
Optional Low-frequency crystal reference (X2, C27 and C26) . . . . . . . . . 11
1.8V regulator load capacitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
1.8V analog to 1.8V digital filtering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
RF test connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
STM32W108 RF ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Optimizing for TX (Boost mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Matching network circuit design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Harmonic filter design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Band-pass filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Antenna matching circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
PCB tolerance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Doc ID 17406 Rev 3
AN3206

Related parts for STM32W108B-SK