Selective/Tuned Amplifier tasks

Selective/Tuned Amplifier tasks

Selective4

 

1 task


Selective1

E = 9V
f0 = 468kHz
fup = 478kHz
flow = 458kHz
|kv0|(f0) = 640
R1 = 7kΩ
RB = 1kΩ
I = 3mA
C = ?
L = ?
QL = ?

Selective Amplifier Formulas:

selective amplifier task formulas 1

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2 task


Selective2

E = 10V
VA = 95V
VBE = 0,7V
RB = 10kΩ
RLOAD = 12kΩ
RE = 4,3kΩ
L = 25μH
QL = 100
C = 1nF
C1 = 1μF
CE = 1μF
IBB = 0,5mA

f0 = ?
B3dB = ?
|Av0|(f0) = ?

Selective Amplifier Formulas:

selective amplifier formulas 2

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selective amplifier task formulas 26

3 task


Selective3

E = 10V
VBE = 0,7V
gCE = 0
RB = 10kΩ
RE = 4,3kΩ
L = 25μH
QL = ∞
C = 2nF
CE = 1μF
IBB = 0,5mA

f0 = ?
B3dB = ?

Selective Amplifier Formulas:

selective amplifier formulas 3

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selective amplifier task formulas 33

4 task


Selective4

E = 8V (+)
|VT|= 4V (-)
|IDSS|= 8mA (+)
rds = 50kΩ
RLOAD = 1MΩ
RB = 10kΩ
L = 25μH
QL = 100
C = 400pF
C1 = 1μF
CE = 1μF
I = 2mA

f0 = ?
B3dB = ?
|Av0|(f0) = ?

Selective Amplifier Formulas:

selective amplifier formulas 4

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