http://i812.photobucket.com/albums/zz41/uofmx12/92_93.jpg
Here are two diagrams. I have some basic questions dealing with them.
1) In 9.2, what is the reason to connect the base of Q2?
2) In 9.3, If Q2 is conducting, which mode of operation is Q1?
Question not related to those:
Is alpha and beta formulas the same for a NPN as they are for a PNP BJT?
Here are two diagrams. I have some basic questions dealing with them.
1) In 9.2, what is the reason to connect the base of Q2?
2) In 9.3, If Q2 is conducting, which mode of operation is Q1?
Question not related to those:
Is alpha and beta formulas the same for a NPN as they are for a PNP BJT?