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lab power supply

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Calvin:
Hi,

You might want to have a look at "High Performance Portable DC Bench Power Supply: Save Money and Free Up Bench Real Estate by Building Your Own" https://www.analog.com/en/technical-articles/high-performance-portable-dc-bench-power-supply.html on AnalogDevices´s website (actually a LinearTechnology design). They include gerber files and BoM (search for DC2132A).
Add a decent SMPS or Trafo-supply, a nice casing and a couple of those cheap ebay voltage modules (up to 5 digits) and You´re there.
Seems that that design is really top notch.

regards
Calvin

EEVblog:

--- Quote from: tooki on December 13, 2019, 06:22:20 am ---It never came to fruition, but instead morphed into the still unfinished μSupply portable PSU project.

--- End quote ---

It has always been the uSupply portable USB PSU project.

EEVblog:

--- Quote from: Calvin on December 15, 2019, 11:56:44 am ---Hi,

You might want to have a look at "High Performance Portable DC Bench Power Supply: Save Money and Free Up Bench Real Estate by Building Your Own" https://www.analog.com/en/technical-articles/high-performance-portable-dc-bench-power-supply.html on AnalogDevices´s website (actually a LinearTechnology design). They include gerber files and BoM.

--- End quote ---

Beware though, the LT3081 has design issues, which is why I eventually dropped it.

glinjik:
hi thank you for your replies but from ebay is no goer here as for real estate lol not much needed here 3 dmms one soldering station oh and a mastech esr meter all in my portacabin 6 x 3 meters so space not a problem i suppose i could just go buy a power supply but i really am learning soooo much from building this i mean like using transistors in parralel caps in parralel balast resistors the list is endless and i damn well enjoing doing it apart from burning 7 out of 8 fingers both thumbs and frying myself on the transformer and my wife moaning when i stole the wire cleany thing for my soldering station and ive just learnt just cos it looks like a zener it dont mean it is actually a fast switch and whet i thout were caps turn out to be resisters ive not enjoyed learing like this for years im a happy chappie  :) 

Calvin:
Hi,

@eevblog
Would You mind to elaborate on the issues of the LT3081.
I saw that You tried the LT3080 and had issues.
Searching for ´LT3081´ didn´t find me a thread with valuable infos about LT3081 probs.

regards
Calvin

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