Analog Stuff - Dual Tracking Linear Supply | Multislope ADC Part I

- JLCPCB: jlcpcb.com/RHS
- Marco Reps: / reppesis
- Dimin: GitHub: github.com/dimonDDL, Discord: dimin#8885
- Falstad multislope simulation: tinyurl.com/yes5kj7v
- Simon Bramble's website: www.simonbramble.co.uk/techart...

[@pitushi]

Great Work on the Integrating ADC !!

[@NNNILabs]

Thanks! Please look forward to the next version, which was made possible by your LT5400-1s!

[@Azagro]

I'm going to pretend that I'm watching this for the first time. The gate oscillations are probably caused by stray inductances from the traces among other things and the gate capacitance as well as capacitive/inductive coupling. Like anything that is floating and unterminated. Just be careful with the value of the resistor, you don't want to discharge the gate capacitance too much, might run into even more unwanted behaviour. 10k is a good value. Also generally you want to avoid paralleling FET gates due to components never being 100% the same. You will find mismatches, which can cause more unwanted behaviour, at least let them have their own gate resistor.

[@NNNILabs]

And I'm going to pretend this is the first time I'm hearing this - but of course, good to leave that advice here for everyone to see.

[@mousam_upadhyaya]

Goodies from Voltnut, ahh..I assumed this made your day 😌

[@NNNILabs]

Indeed, you could say it made the whole year...

[@soumyadipghosh6925]

Hikaru nara. ❤️ Great attempt. Linear regulators are crap, they generally waste a lot of power. You can use ADC and flyback transformers to regulate the output through some microcontroller.

[@NNNILabs]

No switcher is going to match the low-noise performance of a linear. I wanted this to be as plain and simple as possible, hence no microcontroller. And surprisingly that was not Hikaru Nara, but a different album featuring Your Lie in April background: kzbin.info/www/bejne/aJ3XqK2onZWIfck

[@Azagro]

Linear regulators aren't crap, they are niche. With the lack of switching elements, you will find output ripples within the µV, whereas switching regulators are often in the double digit mV range. It highly depends on what you're doing, but in specific applications switching elements are avoided. For example, my microcontroller (TMS320F28004x) has an internal ADC, it takes the 3.3V and steps it down to 1.2V, this can be done via an internal switching regulator or internal LDO. If I choose the switching regulator, I have to add additional filter capacitance and an inductor (adds costs and reduces board space), but the LDO does not need additional components and has a high ripple rejection. I reduce power efficiency for noise performance for my ADC, but what is efficiency in an ultra low power subcircuit within a high power circuit. Also zeners will only reduce noise, garbage in, garbage out.

[@amymartinin]

gonna pretend i havent watched this before but please put some music from 15:57 to 17:00

[@NNNILabs]

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[@amymartinin]

@@NNNILabs ok pepe

[@Skaytacium]

what the hell man

[@NNNILabs]

lmao analog scared him