Electronics > Projects, Designs, and Technical Stuff
Any reason I shouldn't use a TL431 as a virtual ground?
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bd139:
Yes indeed. The more questions you ask the more questions are asked of you and the more you learn so it’s a win win all around.
iMo:
My naive simulation - Vbat pulsing 8-9V, 1us edges, 100Hz freq.
500ohm||100uF(alum) simulate an "load".
bd139:
Interesting. Just waiting on a new fan for my AWG today and I will use that as a crappy source impedance power supply and see what happens :)
iMo:
And the variant N2:
StillTrying:

--- Quote from: bd139 on November 15, 2018, 10:33:09 pm ---It's a DC input jack which switches from a PP3 battery to internal supply.
--- End quote ---

Oh dear. :) Keep an eye on all of the different GNDs.
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