Old 07-13-2012, 09:50 PM #1
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Default $50 bench power supply - nice!

I just saw this on-sale:

0-30V, 0-3A Mini Bench Supply-MPJA, Inc.

0-30v and 3A.

I bought the $60 vertical version:

0-30V, 0-3A Variable Benchtop Power Supply-MPJA, Inc.

I used it for the first time last night. Great little unit! Love being able to directly drive and test diodes this way. Wish I'd known that for $10 more, I could have gotten the 5A unit though.
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Old 07-13-2012, 10:17 PM #2
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Default Re: $50 bench power supply - nice!

Would bought one if they only shipped to the netherlands
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Old 07-13-2012, 10:39 PM #3
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Default Re: $50 bench power supply - nice!

Quote:
Originally Posted by offroadfreak8582 View Post
Would bought one if they only shipped to the netherlands
I bought mine here, VerlichtingKopen.nl
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Old 07-14-2012, 02:23 AM #4
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Default Re: $50 bench power supply - nice!

Quote:
Originally Posted by Blord View Post
I bought mine here, VerlichtingKopen.nl
That's awesome! Thanks buying that in a short while after my vacantion

Greetings,,
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Old 07-14-2012, 05:27 AM #5
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Default Re: $50 bench power supply - nice!

Nice PSU. The only thing that worries me is (<200mV RMS max ripple). I am shure someone will chime in on the specs.
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Old 07-14-2012, 04:52 PM #6
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Default Re: $50 bench power supply - nice!

I don't trust chinese switching PSUs like that with laser diodes. Not unless I see them on a scope first. You might get away with it, but I recommend a linear PSU instead.
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Old 07-16-2012, 10:55 PM #7
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Default Re: $50 bench power supply - nice!

I haven't blown a diode... yet. I suppose a $50 diode blown precisely because of a low-cost supply would make a higher-cost supply a no-brainer.
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