Neamen Microelectronics, 4eChapter 5-1 McGraw-Hill Microelectronics Circuit Analysis and Design...
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Transcript of Neamen Microelectronics, 4eChapter 5-1 McGraw-Hill Microelectronics Circuit Analysis and Design...
![Page 1: Neamen Microelectronics, 4eChapter 5-1 McGraw-Hill Microelectronics Circuit Analysis and Design Donald A. Neamen Chapter 5 The Bipolar Junction Transistor.](https://reader035.fdocuments.us/reader035/viewer/2022081415/56649ddc5503460f94ad3dc2/html5/thumbnails/1.jpg)
Neamen Microelectronics, 4eChapter 5-1
McGraw-Hill
Microelectronics Circuit Analysis and Design
Donald A. Neamen
Chapter 5
The Bipolar Junction Transistor
![Page 2: Neamen Microelectronics, 4eChapter 5-1 McGraw-Hill Microelectronics Circuit Analysis and Design Donald A. Neamen Chapter 5 The Bipolar Junction Transistor.](https://reader035.fdocuments.us/reader035/viewer/2022081415/56649ddc5503460f94ad3dc2/html5/thumbnails/2.jpg)
Neamen Microelectronics, 4eChapter 5-2
McGraw-Hill
In this chapter, we will:
Discuss the physical structure and operation of the bipolar junction transistor.
Understand the dc analysis and design techniques of bipolar transistor circuits.
Examine three basic applications of bipolar transistor circuits.
Investigate various dc biasing schemes of bipolar transistor circuits, including integrated circuit biasing.
Consider the dc biasing of multistage or multi-transistor circuits.
![Page 3: Neamen Microelectronics, 4eChapter 5-1 McGraw-Hill Microelectronics Circuit Analysis and Design Donald A. Neamen Chapter 5 The Bipolar Junction Transistor.](https://reader035.fdocuments.us/reader035/viewer/2022081415/56649ddc5503460f94ad3dc2/html5/thumbnails/3.jpg)
Neamen Microelectronics, 4eChapter 5-3
McGraw-Hill
Cross Section of Integrated Circuit npn Transistor
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Neamen Microelectronics, 4eChapter 5-4
McGraw-Hill
Modes of Operation
Forward-ActiveB-E junction is forward biasedB-C junction is reverse biased
SaturationB-E and B-C junctions are forward biased
Cut-OffB-E and B-C junctions are reverse biased
Inverse-Active (or Reverse-Active)B-E junction is reverse biasedB-C junction is forward biased
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Neamen Microelectronics, 4eChapter 5-5
McGraw-Hill
npn BJT in Forward-Active
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Neamen Microelectronics, 4eChapter 5-6
McGraw-Hill
Electrons and Holes in npn BJT
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Neamen Microelectronics, 4eChapter 5-7
McGraw-Hill
Electrons and Holes in pnp BJT
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Neamen Microelectronics, 4eChapter 5-8
McGraw-Hill
Circuit Symbols and Current Conventions
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Neamen Microelectronics, 4eChapter 5-9
McGraw-Hill
Current Relationships
1
)1(
EC
BE
BC
BCE
ii
ii
ii
iii
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Neamen Microelectronics, 4eChapter 5-10
McGraw-Hill
Common-Emitter Configurations
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Neamen Microelectronics, 4eChapter 5-11
McGraw-Hill
Common-Base Configuration
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Neamen Microelectronics, 4eChapter 5-12
McGraw-Hill
Current-Voltage Characteristics of a Common-Base Circuit
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Neamen Microelectronics, 4eChapter 5-13
McGraw-Hill
Current-Voltage Characteristics of a Common-Emitter Circuit
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Neamen Microelectronics, 4eChapter 5-14
McGraw-Hill
Early Voltage/Finite Output Resistance
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Neamen Microelectronics, 4eChapter 5-15
McGraw-Hill
Effects of Leakage Currents on I-V Characteristics
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Neamen Microelectronics, 4eChapter 5-16
McGraw-Hill
Effect of Collector-Base Breakdown on Common Base I-V Characteristics
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Neamen Microelectronics, 4eChapter 5-17
McGraw-Hill
Effect of Collector-Base Breakdown on Common Emitter I-V Characteristics
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Neamen Microelectronics, 4eChapter 5-18
McGraw-Hill
DC Equivalent Circuit for npn Common Emitter
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Neamen Microelectronics, 4eChapter 5-19
McGraw-Hill
DC Equivalent Circuit for pnp Common Emitter
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Neamen Microelectronics, 4eChapter 5-20
McGraw-Hill
Load Line
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Neamen Microelectronics, 4eChapter 5-21
McGraw-Hill
Problem-Solving Technique:Bipolar DC Analysis
1. Assume that the transistor is biased in forward active modea. VBE = VBE(on), IB > 0, & IC = IB
2. Analyze ‘linear’ circuit.3. Evaluate the resulting state of transistor.
a. If VCE > VCE(sat), assumption is correct
b. If IB < 0, transistor likely in cutoff
c. If VCE < 0, transistor likely in saturation4. If initial assumption is incorrect, make new
assumption and return to Step 2.
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Neamen Microelectronics, 4eChapter 5-22
McGraw-Hill
Voltage Transfer Characteristic for npn Circuit
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Neamen Microelectronics, 4eChapter 5-23
McGraw-Hill
Voltage Transfer Characteristic for pnp Circuit
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Neamen Microelectronics, 4eChapter 5-24
McGraw-Hill
Digital Logic
Inverter NOR gate
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Neamen Microelectronics, 4eChapter 5-25
McGraw-Hill
Bipolar Inverter as Amplifier
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Neamen Microelectronics, 4eChapter 5-26
McGraw-Hill
Effect of Improper Biasing on Amplified Signal Waveform
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Neamen Microelectronics, 4eChapter 5-27
McGraw-Hill
Single Base Resistor Biasing
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Neamen Microelectronics, 4eChapter 5-28
McGraw-Hill
Common Emitter with Voltage Divider Biasing and Emitter Resistor
CCTH VRRRV )/([ 212
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Neamen Microelectronics, 4eChapter 5-29
McGraw-Hill
Integrated Circuit Biasing
2
1
1
I
II QC
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Neamen Microelectronics, 4eChapter 5-30
McGraw-Hill
Multistage Cascade Transistor Circuit
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Neamen Microelectronics, 4eChapter 5-31
McGraw-Hill
Multistage Cascode Transistor Circuit