Products > Test Equipment

Power supply for home lab - do I really need a R&S?

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temperance:
No TTi power supplies in the list? I have three TTi power supplies and they are all pretty good.

I really like the PL303 QMD.

2 x 30 V, 3 A.
-Can work in tandem, parallel, independent. (both channels are isolated)
-OVP
-Fine adjust for the voltage.
-Two current ranges. 500 mA and 3 A.
-Lockable
-Lockable voltage range (you can set min. max voltage over which the output can be adjusted)

Inexpensive for what you get. Non switching so no common mode noise all over the place.

nctnico:

--- Quote from: temperance on May 06, 2024, 03:24:09 pm ---No TTi power supplies in the list? I have three TTi power supplies and they are all pretty good.

I really like the PL303 QMD.

--- End quote ---
I'm not impressed. I'm not a fan of PSUs with coarse / fine control. A 10-turn pot doesn't cost that much.

Rydda:
I have the R&S NGE103, and I am very fond of that one. Especially since the fan turns off at low currents. But be aware that the max power output per channel is 33.6 Watt ,so you cannot do 32V @ 3A .

temperance:

--- Quote ---I'm not impressed. I'm not a fan of PSUs with coarse / fine control. A 10-turn pot doesn't cost that much.
--- End quote ---

Not to mention that power supplies with ten turn pots are rather rare.

tautech:

--- Quote from: temperance on May 06, 2024, 08:42:16 pm ---
--- Quote ---I'm not impressed. I'm not a fan of PSUs with coarse / fine control. A 10-turn pot doesn't cost that much.
--- End quote ---

Not to mention that power supplies with ten turn pots are rather rare.

--- End quote ---
And painful to use when large adjustments are required.

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