Kevin Weddle Posted August 18, 2009 Report Share Posted August 18, 2009 A biploar transistor OR gate uses an input transistor with two emiiters. I have never seen these used elsewhere and am surprised to see it used for OR gate design. Are unusual devices not seen so much because of cost, availability, or design difficulty? Quote Link to comment Share on other sites More sharing options...
praveenkv1988 Posted August 19, 2009 Report Share Posted August 19, 2009 Those components are not available for external usage. The ckt. you are referring is an implementation of OR gate. (How it is implemented inside an IC). Quote Link to comment Share on other sites More sharing options...
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