Skip to content

Instantly share code, notes, and snippets.

@ericfont

ericfont/circuit-20251130-1314.svg

Created November 30, 2025 18:13
Show Gist options

  • Select an option

    Learn more about clone URLs
  • Save ericfont/4d9c3df15b1de5b688d83de93917845b to your computer and use it in GitHub Desktop.

Select an option

Learn more about clone URLs
Save ericfont/4d9c3df15b1de5b688d83de93917845b to your computer and use it in GitHub Desktop.
Download ZIP
add hysteresis to comparator with simple resistive feedback
Display the source blob
Display the rendered blob
Raw
circuit-20251130-1314.svg
Loading
Sorry, something went wrong. Reload?
Sorry, we cannot display this file.
Sorry, this file is invalid so it cannot be displayed.
@ericfont
Copy link
Author

ericfont commented Nov 30, 2025

sim

@ericfont
Copy link
Author

ericfont commented Nov 30, 2025

Screencast_20251130_131540.webm

@ericfont
Copy link
Author

ericfont commented Nov 30, 2025

Screencast_20251130_140214.webm

@ericfont
Copy link
Author

ericfont commented Nov 30, 2025

Add 10 uF blocking capacitor after lowpass for reconstruction to avoid DC offset accumulated errors:

circuit-20251130-1410

Screencast_20251130_141149.webm

@ericfont
Copy link
Author

ericfont commented Nov 30, 2025 •
edited
Loading

mistake with above hysteresis...comparator output voltages were incorrect. Better:

circuit-20251130-1617

@ericfont
Copy link
Author

ericfont commented Nov 30, 2025

which produces:
image

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment