Download i v x sc

Survey
yes no Was this document useful for you?
   Thank you for your participation!

* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project

Document related concepts
no text concepts found
Transcript 
Dr. Chen, University of Kentucky, EE 461G Class Notes
Example: Find Norton equivalent circuit at port BE
Assume here BC acts like open short BE
Short BE: iSC =
V CC
= iN
RA
Short BE
VCC
RC
ix
RA
B
RA
C
+
--
B
VCC
E
RB
RB
RL
isc
E
Open BE: vOC =
RTH =
RB
VCC (voltage divider
R A + RB
vOC
RB
=
VCC
R A + RB
iSC
VCC
R R
= A B
R A R A + RB
RA
V
i N = CC
RA
RTH =
Open BE
+
--
R A RB
R A + RB
RB
B
C
E
iN
B
VCC
RTH
voc
E
Related documents