Notch Filters - Theory and Software Implementation - Phil’s Lab #39
Everything from notch filter basics, uses of a notch filter, through to derivation, discretisation of an analogue prototype/model, and final implementation on an embedded system (STM32 microcontroller) using the C programming language.
[SUPPORT]
Free trial of Altium Designer:
PCBA from $0 (Free Setup, Free Stencil):
Patreon:
[LINKS]
Git:
IIR Filters:
Z-Transform:
Real-Time Implementation of Analogue Filters:
Tustin Transform:
[TIMESTAMPS]
00:00 Introduction
00:25 Altium Designer Free Trial
00:54 Content
1:26 Notch Filter Baiscs
3:01 Analogue Notch Filter
5:29 Standard Form Transfer Function
5:57 Example Frequency Responses
6:21 Discretisation
8:37 Digital Notch Filter
8:54 Pre-Warping
9:33 Analogue vs Digital Frequency Response
10:06 Practical Considerations
11:28 Software Implementation (STM32CubeIDE)
12:25 Filter Initialisation and Update Functions
14:48 Main.c Filter and Test Set-Up
15:39 Demonstration
ID: QIBvbJtYjWuHiTG0uCoK
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