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Professional, multi output lab power supply

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luudee:

Hi Guys, need the community wisdom!


I am looking for a professional grade lab power supply:

- (must) low ripple & noise ( around < 3 mV)
- (must) high current, >20Amp @ 5V, >15Amp @ 12V (200W per channel should be plenty)
- Don't really need more than 20V output per channel
- (must) Precision adjustment of voltage and current
- (must) all the usual bells and whistles, like constant current, constant voltage, etc
- (must) very stable at low voltages and high currents (for example 0.65V 18A)
- (very important) would like to have at least 4 channels, or capability of chaining multiple units
- (must) must be able to program inter channel power sequence (including delay)
- (very important) Programmable emulation of noise and ripple would be nice
- (nice to have) parallel channel operation to increase current
- (nice to have) serial channel to increase voltage
- (nice to have) remote sensing

So far, I could only find one that meets all my requirements: Rohde & Schwarz NGP804.
But it has quite a hefty price tag at around $5,500 USD for this configuration (NGP804).

Before I drop that kind of cache, I'd like to hear alternative suggestions from all you wise people!


Merry Christmas & Blessed Hanukkah, to those who celebrate!

luudee

nctnico:
Did you look at brands like Delta and EA-Elektronik?

luudee:

--- Quote from: nctnico on December 20, 2022, 12:59:38 pm ---Did you look at brands like Delta and EA-Elektronik?

--- End quote ---

Thanks Nico, I took a look ....

Delta (deltapsu.com) seems to only make Brick PSUs, and EA (elektroautomatik.com) PSUs are very basic and IMHO very useless, and much more expensive. No idea who their target audience is ...

Cheers,
luudee

HalFoster:
Your best bet is probably a model from Chroma - expensive, but for what you are wanting that is a given.

Hal

nctnico:

--- Quote from: luudee on December 20, 2022, 01:58:49 pm ---
--- Quote from: nctnico on December 20, 2022, 12:59:38 pm ---Did you look at brands like Delta and EA-Elektronik?

--- End quote ---

Thanks Nico, I took a look ....

Delta (deltapsu.com) seems to only make Brick PSUs, and EA (elektroautomatik.com) PSUs are very basic and IMHO very useless, and much more expensive. No idea who their target audience is ...

--- End quote ---
You got the wrong part of Delta: https://delta-elektronika.nl/products

But Chroma is also a good option to look at.

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