NPN to PNP or vice versa switching using a single circuit.

Alec_t

Joined Sep 17, 2013
12,253
Welcome to AAC!
Sorry, but your question makes no technical sense. An NPN transistor can't be converted to a PNP one, or vice versa.
Exactly what are you trying to do and why?
 

MrChips

Joined Oct 2, 2009
24,441
upload_2018-1-28_9-49-46.png

Reverse the polarity of the power supply or battery when substituting a PNP transistor.

(I'm not sure I understand the question.)
 
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