EEVblog Electronics Community Forum
Electronics => Beginners => Topic started by: agsnow on March 06, 2021, 12:59:15 pm
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Hello All,
A couple days after I ordered a RD6006 (100mVpp ripple spec) Riden can out with the RD6006P (20mVpp ripple spec). The questions is, in a home lab environment when does ripple become important and what levels are considered expectable?
As of today I'm working on mostly micro controllers (RPi, ESP8266, PIC, Arduino...) and audio signals.
Thanks for the feedback.
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"P"-version is a bit improved one (I guess not very much). But they are both DC-DC type so have quite a large common-mode noise. So they both possibly can be noisy in a real application (or not). It depends on a circuit sensivity and on our skill to manage with a common-mode noise. And so both definitely will improve a skill to manage with a common-mode noise.
My answer to the question - 'It depends' :)
As for me, I have a need for such a power supply, but a more powerful one (15-20 A), I have a use for it (whatever ripple it has).
For ultra-low-noise circuits (they are usually low-consumption ones) I use another, an additional, or its own (linear) power supply (with 50/60 Hz transformer).
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RD6006P has it's own thread now, and UniSoft will post FW updates there (see ripple tests, pics and draft pdf schematic).
https://www.eevblog.com/forum/testgear/ruideng-riden-rd6006p-dc-power-supply/ (https://www.eevblog.com/forum/testgear/ruideng-riden-rd6006p-dc-power-supply/)