Collector Feedback Bias-Basic Electronics Biasing-Lecture Slides, Slides for Basic Electronics. Aliah University

Basic Electronics

Description: Jagmeet Chatterji delivered this lecture at Aliah University for Basic Electronics course. Its main points are: Collector, Feedback, Bias, Stability, Sensitivity, Analysis, Emitter-base, Loop, Approximation, Configuration
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Basic Electronic Engineering
Lecture 16
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Collector Feedback Bias
Stability of a bias circuit can be improved
by introducing a feedback path from
collector to base
The sensitivity to changes in beta and
temperature is less compared to fixed
bias and emitter bias circuits
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Analysis of Collector Feedback Bias
Circuit
Emitter-Base Loop
Applying the approximation
CC C C B B BE E E
V I R I R V I R
 
C E C B
I I I I
  
CC B C B B BE B E
V I R I R V I R
 
 
CC BE
B
B C E
VV
I
R R R

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Collector-Emitter Loop
Approximating
Analysis of Collector Feedback Bias
Circuit
CC C C CE E E
V I R V I R
 
C E C
I I I

CC C C CE C E
V I R V I R
 
 
CE CC C C E
V V I R R
 
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