Products > Test Equipment

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

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blackdog:
Hi,

Later this evening i will show some pictures of GW Instek, Rigol and Siglent power supply's

mhsprang
Can yo ushow us the puls responce @ 35mA please.

Kind regards,
Bram

mhsprang:
@blackdog: I can't before Monday when I'm back at the office. But I can tell you the response is the same up to about 140 mA. Above that, the first "plateau" is still there at around 130-140 mA but the curve rises afterwards.

I can make some curves tonight from the PSU's I have at home: a small and cheap Tenma (< €100) and a somewhat larger TTi QL355P (€800-ish).

mawyatt:
Here's our GPP-4323 with same setup.

Best

mhsprang:
showly charging the output capacitor  :)

mawyatt:
Exactly, at the selected CC level.

BTW this is an effective way to measure the Power Supply Effective Output Capacitance using:

C = I/(dV/dT) in the linear range

Best

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