Schematic Elements for Guitar and Effects: PT2399-Based Delay

This video breaks down the different pieces of a PT2399-based delay circuit, explaining the general topology, functions of various components, and some of the peculiarities of working with a digital chip like the PT2399.

00:00 - Intro
01:06 - Power Section
04:30 - Input Buffer
05:20 - Output Buffer
07:04 - Delay Stage
11:55 - Feedback Path
14:50 - Dry/Wet Mixing
17:03 - Some PT2399 Notes
18:47 - Pin 6
23:52 - Building on the PT2399

Reference Material
ElectroSmash PT2399 Analysis: https://www.electrosmash.com/pt2399-analysis
Filter Design Calculator: http://sim.okawa-denshi.jp/en/OPtazyuLowkeisan.htm
Belton Brick Patent: https://patents.google.com/patent/US8204240
My project page: https://scientificguitarist.wixsite.com/home/projects