# Frequency doubling (was The only stupid questions)

**URL:** <https://lookmumnocomputer.discourse.group/t/frequency-doubling-was-the-only-stupid-questions/6650>\
**Category:** Uncategorized\
**Created:** [November 2, 2023, 7:56pm UTC](https://lookmumnocomputer.discourse.group/t/frequency-doubling-was-the-only-stupid-questions/6650 "2023-11-02T19:56:58Z")\
**Posts on this page:** 1\
**Page:** 2

<div class="post-metadata">

**Author:** ![Dogstar13](https://yyz2.discourse-cdn.com/free1/user_avatar/lookmumnocomputer.discourse.group/dogstar13/32/23149_2.png) [@Dogstar13](https://lookmumnocomputer.discourse.group/u/Dogstar13)\
**Post date:** [November 8, 2023, 12:07am UTC](https://lookmumnocomputer.discourse.group/t/frequency-doubling-was-the-only-stupid-questions/6650/21 "2023-11-08T00:07:19Z")

</div>

> [@analogoutput](#):
>
> Rectification and AC coupling turns a triangle wave into a double frequency triangle wave, but doesn’t work with square/pulse waves (e.g. clock signals).

[![](https://global.discourse-cdn.com/free1/uploads/lookmumnocomputer/original/3X/d/d/dd5bacb338506415d7aaf8e7fcb2e408d1fc113e.jpeg "Barton full wave dual rectifier synth module") ](https://www.youtube.com/watch?v=z5WI_g3VfKw)

Im gonna try this and the 4046 waveshaper. They will be the first modules in my next rack.

[Previous page](https://lookmumnocomputer.discourse.group/t/frequency-doubling-was-the-only-stupid-questions/6650.md?page=1)