The R-2R Ladder | Op-Amp Basics, episode 8
Please help me in supporting Médecins Sans Frontières | Doctors without Borders https://events.doctorswithoutborders.... In this episode, we design a simple D/A converter, correcting some of the faults of the direct converter that we saw in episode 2. We examine several things that can go wrong with it, especially resistor mismatch and clock skew. All the circuits demonstrated are from previous episodes. Schematics are on the project GitHub, https://github.com/kennykb/kevins-cav... and https://github.com/kennykb/kevins-cav... 00:00 Intro 00:55 Why not direct conversion? 03:39 Public service announcement 05:20 The R-2R ladder 08:34 Nonlinearity / nonmonotonicity 09:11 Clock skew / ripple counting 12:44 Next steps Images: "Roughly drawn stepladder" OpenClipArt user 'Firkin' https://openclipart.org/detail/280986... CC0, https://creativecommons.org/publicdom... Music: “Light Sting” Kevin MacLeod (incompetech.com) Licensed under Creative Commons: By Attribution 4.0 License http://creativecommons.org/licenses/b... © 2025 Kevin B. Kenny
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