Common Emitter Amps
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![Page 1: Common Emitter Amps](https://reader036.fdocuments.in/reader036/viewer/2022082611/56812aad550346895d8e73ec/html5/thumbnails/1.jpg)
© Bob York
Common Emitter Amps
Vgen
Rgen
Vcc
Vout
Rc
Vgen Rin
Rgen
vin
∞
∞
Rb1
Rb2
Vin
Vcc
Vout
Rc
∞
∞
Rb1
Rb2
RL
Rout RLVin Rin vin
β ib
Rout Vout
β ib
![Page 2: Common Emitter Amps](https://reader036.fdocuments.in/reader036/viewer/2022082611/56812aad550346895d8e73ec/html5/thumbnails/2.jpg)
© Bob York
Lab Circuits
VoutRb1
Vin
2.2 kΩ
10 kΩ
1 μF
1 μF
+10 V
10 μF1kΩ
Vgen
10 kΩ
100 Ω
![Page 3: Common Emitter Amps](https://reader036.fdocuments.in/reader036/viewer/2022082611/56812aad550346895d8e73ec/html5/thumbnails/3.jpg)
© Bob York
Common Emitter Amplifier
Vgen
Rgen
Vcc
Vout
Rc
∞
∞
Rb1
Rb2
RL
∞Re
![Page 4: Common Emitter Amps](https://reader036.fdocuments.in/reader036/viewer/2022082611/56812aad550346895d8e73ec/html5/thumbnails/4.jpg)
© Bob York
Common Base Amplifier
B C
E
B
vbe
C
EVin
Vout
∞
∞
∞
Ie
Vcc
Rc
Vin vin Rd Voutout d
vin e
V RA
V r
out dR R
in eR r
β ibβ ib
β ib
re re
re
![Page 5: Common Emitter Amps](https://reader036.fdocuments.in/reader036/viewer/2022082611/56812aad550346895d8e73ec/html5/thumbnails/5.jpg)
© Bob York
Common-Base Amplifier
Vgen
Rgen
Vcc
Vout
Rc
∞
∞
Rb1Rb2
RL
Re
∞
Vgen Rin
Rgen
vin
gmvinRout RL
outv m out L
in
VA g R R
V
out cR R
in e eR R r
![Page 6: Common Emitter Amps](https://reader036.fdocuments.in/reader036/viewer/2022082611/56812aad550346895d8e73ec/html5/thumbnails/6.jpg)
© Bob York
Lab experiment
Vout
Vin
100 kΩ
100 Ω
1 μF
100 kΩ
Vgen 10 Ω
1 kΩ
Rc
+12 V
![Page 7: Common Emitter Amps](https://reader036.fdocuments.in/reader036/viewer/2022082611/56812aad550346895d8e73ec/html5/thumbnails/7.jpg)
© Bob York
Multistage Amplifier
Vin
4.7 kΩ
47 kΩ
1 μF
+15 V
100 μF3.3 kΩ
Vgen
10 kΩ
10 Ω
Vout
2.2 kΩ
1 μF
+15 V
100 μF
3.3 kΩ
Va
100 kΩ
![Page 8: Common Emitter Amps](https://reader036.fdocuments.in/reader036/viewer/2022082611/56812aad550346895d8e73ec/html5/thumbnails/8.jpg)
© Bob York
HW
Vin
4.7 kΩ
47 kΩ
+15 V
3.3 kΩ
Vout
2.2 kΩ
+15 V
3.3 kΩ
Va
100 kΩ
∞
∞
∞
∞
![Page 9: Common Emitter Amps](https://reader036.fdocuments.in/reader036/viewer/2022082611/56812aad550346895d8e73ec/html5/thumbnails/9.jpg)
© Bob York
Emitter Follower
Vgen
Rgen
Vcc
Vout
Rc
∞
∞
Rb1
Rb2
RL
Re
![Page 10: Common Emitter Amps](https://reader036.fdocuments.in/reader036/viewer/2022082611/56812aad550346895d8e73ec/html5/thumbnails/10.jpg)
© Bob York
CE Resistive Feedback
Vcc
Vout
Rc
∞
∞
Rf
Vin
Vcc
Vout
Ic
∞
∞
Rf
Vin
RL
Vgen
Rgen
gmvbeRLVin
Rf
vbe
gmvbeRout Vout
Rf
vbe