General > General Technical Chat
Show your favorite and most used benchtop PSU
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PTR_1275:
I do love the TTi power supplies. Got a few of the pl330 single ones in the workshop and I recently got a plh120. The extra controls on the newer ones is really good. Still has the analog knobs, but you can set the voltage range of them, lock the settings and all sorts of other things.
Ysjoelfir:

--- Quote from: basinstreetdesign on November 01, 2016, 07:23:45 pm ---I got tired of scrounging up ad-hoc power for a tube circuit or just foregoing the project at all after a long time  |O so finally I decided I needed to have a tube-based power supply with many outputs, some regulated and some not.  So I took some parts I had from a non-working Tek 545 scope, including the amazing power transformer (with 7, count-em SEVEN 6.3VAC filament windings), a spare bookshelf and some junked meters and built one.  This is it and I wrote an instructable for it:
http://www.instructables.com/id/Tube-Power-Supply/


--- End quote ---
Even though I tend to judge everyone ripping an old tek apart (there is no way a tube tek can't be repaired! ;) ), your outcome is absolutely beautiful, I love it! I have two spare Tek transformers laying around and was thinking about the same thing, but I never wanted to use it for a PSU since I always think that I maybe get this specific scope which needs a new transformer... Maybe I should think about using it for a PSU again.
Fortran:
My favorite PSU is my HP6034L.
0-60V 200W with GPIB.  It's a bit noisy though so I'm only using it when I need a bit more grunt.




My most used PSU's are actually some dirt-cheap buck regulators connected to their own 12V supply and tucked neatly inside my bench socket panel. (I think that's what they're called)
So 4x 0-12V 2A and a terrible ripple above 1A. They work good enough at low load though.
Since most of what I do is in the 1.8-5V <250mA realm, I use these every day.



If I need a cleaner output I've got a few of those 0-30V 3A supplies as well, to fill the void between the panel ones and the HP.
rrinker:
 That's quite a nifty idea, build power supplies right into the bench.  :-+

Fortran:
They're not exactly in the bench.
It's a cable management channel hanging on the rails for the shelves, so I can move it :)
One of the most useful things I've built. A mains breaker, lots of outlets (each group fused @ 6A), a ground-fault-interrupter (that trips before my main one), a panel meter, earth jacks on the bottom for ESD stuff.
And of course, the power supplies.

This thing feeds my whole lab except the computer stuff, so when I turn it off, everything is disconnected.
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