Bipolar junction transistor tasks

zener diode symbol

 

 Bipolar junction transistor definition and explanation can be found in the Transistors section.

1 task


BJT in Emitter-Coupling Configuration

BJT NPN1 tasks

VCC = 10V

VBB = 6,7V

VBE = 0,7V

R B = 1kΩ

R C = 1,5kΩ

R E = 5kΩ

α = 0,995

IC = ?

VCE = ?

gm = ?

Bipolar junction transistor Formulas:

bipolar transistor formulas 1

bipolar transistor task formulas 11

bipolar transistor task formulas 12

bipolar transistor task formulas 13

bipolar transistor task formulas 14

bipolar transistor task formulas 15

2 task


BJT in Emitter-Coupling Configuration

BJT NPN2

VCC = 10V

VBB = 5V

VBE = 0,7V

R B = 100kΩ

R C = 1kΩ

β = 200

IC = ?

VCE = ?

gm = ?

Bipolar junction transistor Formulas:

bipolar transistor formulas 21

bipolar transistor task formulas 21

bipolar transistor task formulas 22

bipolar transistor task formulas 23

3 task


BJT in Collector-Coupling Configuration

BJT NPN3

VCC = 12V

VBE = 0,7V

R B = 100kΩ

R C = 3kΩ

RE = 1kΩ

β = 200

IC = ?

VCE = ?

gm = ?

Bipolar junction transistor Formulas:

bipolar transistor formulas 3

bipolar transistor task formulas 31

bipolar transistor task formulas 32

bipolar transistor task formulas 33

bipolar transistor task formulas 34

bipolar transistor task formulas 35

4 task


BJT NPN4

VCC = 30V

VBE = 0,7V

R C = 3kΩ

RE = 500Ω

R 1 = 1kΩ

R 2 = 4kΩ

β = 200

IC = ?

VCE = ?

gm = ?

α = ?

Bipolar junction transistor Formulas:

bipolar transistor formulas 4

bipolar transistor task formulas 41

bipolar transistor task formulas 42

bipolar transistor task formulas 43bipolar transistor task formulas 44

bipolar transistor task formulas 45

5 task


BJT in Emitter-Coupling Configuration with Potentiometric Base-Supply

BJT NPN5

VCC = 10V

VBE = 0,7V

R C = 1kΩ

RE = 1kΩ

R 1 = 10kΩ

R 2 = 5kΩ

β = 200

IC = ?

VCE = ?

gm = ?

Bipolar junction transistor Formulas:

bipolar transistor formulas 5

bipolar transistor task formulas 51

bipolar transistor task formulas 52

bipolar transistor task formulas 53

6 task


BJT in Emitter-Coupling Configuration with Potentiometric Base-Supply

BJT NPN6

VCC = 10V

VBE = 0,7V

R C = 1kΩ

R B = 200kΩ

RE = 1kΩ

R 1 = 10kΩ

R 2 = 5kΩ

β = 200

IC = ?

VCE = ?

gm = ?

Bipolar junction transistor Formulas:

bipolar transistor formulas 6

bipolar transistor task formulas 61

bipolar transistor task formulas 62

bipolar transistor task formulas 63

bipolar transistor task formulas 64

bipolar transistor task formulas 65

7 task


BJT working with a Direct Base Current Supply

BJT NPN7

VCC = 15V

VBE = 0,7V

R C = 5kΩ

R B = 2,86MΩ

RE = 2,5kΩ

β = 200

IC = ?

VCE = ?

gm = ?

Bipolar junction transistor Formulas:

bipolar transistor formulas 7

bipolar transistor task formulas 71

bipolar transistor task formulas 72

bipolar transistor task formulas 73

bipolar transistor task formulas 74

8 task


BJT working with a Direct Base Current Supply

BJT NPN8

VCC = 15V

VBE = 0,7V

R C = 5kΩ

R B = 2,86MΩ

β = 200

IC = ?

VCE = ?

gm = ?

Bipolar junction transistor Formulas:

bipolar transistor formulas 8

bipolar transistor task formulas 82

bipolar transistor task formulas 83

bipolar transistor task formulas 84

bipolar transistor task formulas 85

bipolar transistor task formulas 86

9 task


BJT in Collector-Coupling Configuration

BJT NPN9

VCC = 12V

VBE = 0,7V

RB = 820kΩ

RC1 = 1,6kΩ

RC2 = 200Ω

β = 200

IC = ?

VCE = ?

gm = ?

Bipolar junction transistor Formulas:

bipolar transistor formulas 9

bipolar transistor task formulas 92

bipolar transistor task formulas 93

bipolar transistor task formulas 94

 

bipolar transistor task formulas 95

 

bipolar transistor task formulas 96

10 task


BJT in Collector-Coupling Configuration

BJT NPN10

VCC = 12V

VBE = 0,7V

RB = 820kΩ

RC1 = 820Ω

RC2 = 200Ω

RE = 820Ω

β = 200

IC = ?

VCE = ?

gm = ?

Bipolar junction transistor Formulas:

bipolar transistor formulas 10

 

bipolar transistor task formulas 101

bipolar transistor task formulas 102

 

bipolar transistor task formulas 103

 

bipolar transistor task formulas 104