Post on 20-Jan-2016
July 20042009 Lecture Side
Lecture by
Suradet Tantrairatn
Lecturer and Researcher
Chapter Three
3 June 2009
Fundamental of Electronic(Transistor)
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Bipolar Junction Transistors (BJT)
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Transistor
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Month 200X 2009 Subject Name Aircraft Materials Page 2
Transistors
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Month 200X 2009 Subject Name Aircraft Materials Page 2
Transistors
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Transistors
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Month 200X 2009 Subject Name Aircraft Materials Page 2
Transistor Structure
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BJT
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BJT
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Month 200X 2009 Subject Name Aircraft Materials Page 2
BJT
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Month 200X 2009 Subject Name Aircraft Materials Page 2
Electronic
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Month 200X 2009 Subject Name Aircraft Materials Page 2
Mode of Transistors
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Month 200X 2009 Subject Name Aircraft Materials Page 2
Mode of Transistors
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Month 200X 2009 Subject Name Aircraft Materials Page 2
Transistor Bias
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Month 200X 2009 Subject Name Aircraft Materials Page 2
Transistor Bias
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Month 200X 2009 Subject Name Aircraft Materials Page 2
Depletion Region of Transistor Bias
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Month 200X 2009 Subject Name Aircraft Materials Page 2
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Month 200X 2009 Subject Name Aircraft Materials Page 2
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Month 200X 2009 Subject Name Aircraft Materials Page 2
สภาวะการทำางาน
21
โดยทั่��วไป VBE(on) ~ 0.6 - 0.7 V และ VBC(on) ~ 0.4 - 0.5 V
NPN
PNP
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Month 200X 2009 Subject Name Aircraft Materials Page 2
Current Direction of Transistors
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Month 200X 2009 Subject Name Aircraft Materials Page 2
Common Base Circruit
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Common-Base
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Month 200X 2009 Subject Name Aircraft Materials Page 2
Common Emitter Circuit
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Month 200X 2009 Subject Name Aircraft Materials Page 2
Common Collector Circruit
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Month 200X 2009 Subject Name Aircraft Materials Page 2
Summary
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Month 200X 2009 Subject Name Aircraft Materials Page 2
Summary
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Month 200X 2009 Subject Name Aircraft Materials Page 2
แบบจำ��ลอง BJT ในย��น forward active
NPN PNP
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Month 200X 2009 Subject Name Aircraft Materials Page 2
Example
V B
R E = 3.3 k
+ 10 V
R C = 4.7 k
จงคำานวณหาแรงดั�นทำ��ขา B C และ E เมื่��อกาหนดัให�
ทำรานซิ�สเตอร มื่�คำ!า β = 100 และ VCE(SAT) = 0.2 V ถ้�า(a) VB = 4 V
(b) VB = 6 V
(c) VB = 0 V
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Solution
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Month 200X 2009 Subject Name Aircraft Materials Page 2
Solution
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Month 200X 2009 Subject Name Aircraft Materials Page 2