Electronic Circuits/Determining Transistor modes
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- Question 1 Determine the mode the NPN transistor is in based on the voltages measured at the terminals with respect to ground. Assume The simplified diode model with no threshold voltage.
Case | Vc | Vb | Ve |
---|---|---|---|
A | 5v | 0v | -1v |
B | 3v | 0v | -1v |
C | 2v | 0v | 2v |
D | 5v | 0v | 4v |
E | 5 | 1 | 2 |
F | 0v | 0v | 0v |
G | 3v | 0v | 3v |
H | 10v | 0v | -2v |
I | -3v | 0v | -3v |
J | 5 | 11 | -2 |
K | 2 | 5 | -3 |
L | 7v | 0v | -10v |
- Question 2 Determine the mode the PNP transistor is in based on the voltages measured at the terminals with respect to ground. Assume The simplified diode model with no threshold voltage.
Case | Vc | Vb | Ve |
---|---|---|---|
A | 5v | 0v | -1v |
B | 3v | 0v | -1v |
C | 2v | 0v | 2v |
D | 5v | 0v | 4v |
E | 5 | 1 | 2 |
F | 0v | 0v | 0v |
G | 3v | 0v | 3v |
H | 10v | 0v | -2v |
I | -3v | 0v | -3v |
J | 5 | 11 | -2 |
K | 2 | 5 | -3 |
L | 7v | 0v | -10v |
- Question 3 Determine the mode the NPN transistor is in based on the voltages measured at the terminals with respect to ground. Assume The simplified diode model with a Thershold voltage of Vbe(on) = .5v and Vbc(on) = .4v
Case | Vc | Vb | Ve |
---|---|---|---|
A | 5v | 3v | 0v |
B | 3v | 0v | -1v |
C | 2v | 0v | 2v |
D | 5v | 0v | -1v |
E | 5 | 10 | 2 |
F | 0v | 0v | 0v |
G | -3v | 0v | 3v |
H | 10v | 0v | -2v |
I | -3v | 0v | -3v |
J | -5 | 11 | -2 |
K | 2 | 5 | -3 |
L | 7v | 10v | -10v |
M | 0v | 10v | -.1v |
N | 2.2v | 1v | -1v |
O | 7v | 0v | -3v |