wingerr
New Member
I saw a suggestion on using a PNP for switching a load on the low side with the collector grounded, emitter following the input (first diagram) as opposed to the high side. I normally would switch the high side (second diagram), but I guess the first method should also work, although it would dissipate more power in the transistor and not have a full swing on the output. If the output swing isn't all that critical and the transistor has enough reserve, would that be a good way to go, being simpler?
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