Скачать или смотреть Raspberry Pi Pico PIO - EP. 16 - Smoother Arbitrary Waveform Generator

Join David as he uses the Nyquist sampling theorem to reduce high speed frequency jitter in the RP2040 Raspberry Pi Pico based Arbitrary Waveform Generator (AWG).

Previous Arbitrary Waveform Generator videos:

Raspberry Pi Pico PIO - Ep. 14 - Arbitrary Waveform Generator:
   • Raspberry Pi Pico PIO - Ep. 14 - Arbitrary...  

Raspberry Pi Pico PIO - Ep. 15 - Faster Arbitrary Waveform Generator:
   • Raspberry Pi Pico PIO - Ep. 15 - Faster Ar...  

Link to program files for this episode:
https://github.com/LifeWithDavid/Rasp...




00:00 Introduction
01:11 Basic AWG Theory
01:53 Initial decisions and limitations
03:06 Where jitter comes from
03:53 Reducing jitter
04:25 Nyquist sampling theorem
06:10 Sine demonstration
06:28 Square and triangle wave limitations
06:41 Demonstrations
07:40 Low speed considerations
08:04 Program details
09:34 Low speed demonstrations
09:58 Closing

Music:
(Pinnacle 25 royalty-free music):
Pulsing Dance
House Fever
Reaction Time
City Night Groove