Transcript Document

2009 Lecture Side
July 2004
3 June 2009
Lecture by
Suradet Tantrairatn
Lecturer and Researcher
Fundamental of Electronic
(Transistor)
Chapter Three
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Bipolar Junction Transistors (BJT)
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Transistor
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Transistors
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Transistors
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Transistors
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Transistor Structure
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BJT
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BJT
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BJT
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Electronic
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Mode of Transistors
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Mode of Transistors
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Transistor Bias
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Transistor Bias
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Depletion Region of Transistor Bias
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2009 Subject Name Aircraft Materials
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2009 Subject Name Aircraft Materials
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© AIRBUS UK LTD 2002. All rights reserved. Confidential and proprietary document.
2009 Subject Name Aircraft Materials
Month 200X
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© AIRBUS UK LTD 2002. All rights reserved. Confidential and proprietary document.
2009 Subject Name Aircraft Materials
Month 200X
Page 2
© AIRBUS UK LTD 2002. All rights reserved. Confidential and proprietary document.
© AIRBUS UK LTD 2002. All rights reserved. Confidential and proprietary document.
สภาวะการทางาน
NPN
PNP
โดยทั่วไป VBE(on) ~ 0.6 - 0.7 V และ VBC(on) ~ 0.4 - 0.5 V
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2009 Subject Name Aircraft Materials
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© AIRBUS UK LTD 2002. All rights reserved. Confidential and proprietary document.
Current Direction of Transistors
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2009 Subject Name Aircraft Materials
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Common Base Circruit
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Common-Base
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2009 Subject Name Aircraft Materials
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2009 Subject Name Aircraft Materials
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2009 Subject Name Aircraft Materials
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© AIRBUS UK LTD 2002. All rights reserved. Confidential and proprietary document.
Common Emitter Circuit
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2009 Subject Name Aircraft Materials
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2009 Subject Name Aircraft Materials
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© AIRBUS UK LTD 2002. All rights reserved. Confidential and proprietary document.
2009 Subject Name Aircraft Materials
Month 200X
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© AIRBUS UK LTD 2002. All rights reserved. Confidential and proprietary document.
2009 Subject Name Aircraft Materials
Month 200X
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© AIRBUS UK LTD 2002. All rights reserved. Confidential and proprietary document.
2009 Subject Name Aircraft Materials
Month 200X
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© AIRBUS UK LTD 2002. All rights reserved. Confidential and proprietary document.
© AIRBUS UK LTD 2002. All rights reserved. Confidential and proprietary document.
Common Collector Circruit
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2009 Subject Name Aircraft Materials
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Summary
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Summary
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แบบจำลอง BJT ในย่ ำน forward active
NPN
PNP
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Example
+10 V
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RC = 4.7 kW
VB
จงคานวณหาแรงดันที่ขา B C และ E เมื่อ
กาหนดให้ทรานซิ สเตอร์ มีค่า β = 100 และ
VCE(SAT) = 0.2 V ถ้า
(a) VB = 4 V
(b) VB = 6 V
(c) VB = 0 V
RE = 3.3 kW
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Solution
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Solution
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