Electronics > Projects, Designs, and Technical Stuff
Uber low noise current source suggestions
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SiliconWizard:

--- Quote from: grouchobyte on July 03, 2019, 11:27:59 pm ---Dont ask me what the application is......unless you want some men in black suits showing up at your door.

--- End quote ---

Alright, but they might show up at yours if they find this out.  :-DD
mikerj:
Have a look at the LT3045 voltage regulator,  this is a very low noise voltage regulator that can be configured for constant current operation.  It's used in a similar though lower power laser application.  Only rated at 500mA so you may need a couple of them.
grouchobyte:

--- Quote from: coppercone2 on July 04, 2019, 06:13:52 am ---rofl outsource military design to EEVBLOG

so what is it, i don't mind the goverment assholes

--- End quote ---

Who said it was for a government agency or was a military project? My accountant wears a black suit.
My lips are sealed. I do appreciate the discussion and suggestions BTW. Thank you all

If you really have to know, I suggest you re-watch Breaking Bad

@grouchobyte
Marco:

--- Quote from: mikerj on July 04, 2019, 01:06:23 pm ---It's used in a similar though lower power laser application.  Only rated at 500mA so you may need a couple of them.

--- End quote ---

The standard way of doing it seems to be simple opamp/MOSFET designs which are substantially lower noise than that.
coppercone2:
don't lie bro your scared some colonel is gonna show up at the office and smack you around

perhaps a new precision fryer for KFC?
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