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C. Hutchens Chap 4 ECEN 3313 Handouts 1 Chapter 4 Bipolar Junction Transistors.

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Presentation on theme: "C. Hutchens Chap 4 ECEN 3313 Handouts 1 Chapter 4 Bipolar Junction Transistors."— Presentation transcript:

1 C. Hutchens Chap 4 ECEN 3313 Handouts 1 Chapter 4 Bipolar Junction Transistors

2 C. Hutchens Chap 4 ECEN 3313 Handouts 2 BJT I-V Relationships Ebers-Moll Model -Table 4.2 Input and Output Characteristics SPICE parameters ----to I-V curvers Regions of Opertion Biasing the BJT Bias Stability Small Signal Models Single Transistor Amplifiers

3 C. Hutchens Chap 4 ECEN 3313 Handouts 3 Output characteristics B-E and C-B Junctions

4 C. Hutchens Chap 4 ECEN 3313 Handouts 4 Forward Bias

5 C. Hutchens Chap 4 ECEN 3313 Handouts 5 Ebers-Moll for computer/hand use 4.13

6 C. Hutchens Chap 4 ECEN 3313 Handouts 6 Ebers-Moll for computer/hand use

7 C. Hutchens Chap 4 ECEN 3313 Handouts 7 Example Using Table 4.2 Eqs

8 C. Hutchens Chap 4 ECEN 3313 Handouts 8 SPICE Example to VERIFY Table 4.2

9 C. Hutchens Chap 4 ECEN 3313 Handouts 9 Generating OTC Curves Ex 4.14 pp239

10 C. Hutchens Chap 4 ECEN 3313 Handouts 10 Circuit Modeling of Regions

11 C. Hutchens Chap 4 ECEN 3313 Handouts 11 Physical Base Currents

12 C. Hutchens Chap 4 ECEN 3313 Handouts 12 Example Region chk 4.12

13 C. Hutchens Chap 4 ECEN 3313 Handouts 13 Simple BJT Switch 4.12

14 C. Hutchens Chap 4 ECEN 3313 Handouts 14 Operating and Biasing Constraints

15 C. Hutchens Chap 4 ECEN 3313 Handouts 15 Fixed Biased Circuit pp236-54

16 C. Hutchens Chap 4 ECEN 3313 Handouts 16 Temperature Effects and RE pp239

17 C. Hutchens Chap 4 ECEN 3313 Handouts 17 Analysis of Transistor DC Bias

18 C. Hutchens Chap 4 ECEN 3313 Handouts 18 Self Biased with RE

19 C. Hutchens Chap 4 ECEN 3313 Handouts 19 Self Biased with RE

20 C. Hutchens Chap 4 ECEN 3313 Handouts 20 Self Biased Example

21 C. Hutchens Chap 4 ECEN 3313 Handouts 21 Example Con’t

22 C. Hutchens Chap 4 ECEN 3313 Handouts 22 Bias Stability

23 C. Hutchens Chap 4 ECEN 3313 Handouts 23 Collector Current Variation

24 C. Hutchens Chap 4 ECEN 3313 Handouts 24 Collector Current Variation

25 C. Hutchens Chap 4 ECEN 3313 Handouts 25 Collector Current Variation

26 C. Hutchens Chap 4 ECEN 3313 Handouts 26 Example

27 C. Hutchens Chap 4 ECEN 3313 Handouts 27 PSPICE

28 C. Hutchens Chap 4 ECEN 3313 Handouts 28 Small Signal Model pp 256

29 C. Hutchens Chap 4 ECEN 3313 Handouts 29 Small Signal Model pp257

30 C. Hutchens Chap 4 ECEN 3313 Handouts 30 Small Signal Model Gain pp259-60 See Ex 4.9 Application of ss models 

31 C. Hutchens Chap 4 ECEN 3313 Handouts 31 Application of Small Signal Model pp262

32 C. Hutchens Chap 4 ECEN 3313 Handouts 32 Small Signal Model with Re pp285

33 C. Hutchens Chap 4 ECEN 3313 Handouts 33 Small Signal Model with Re pp285

34 C. Hutchens Chap 4 ECEN 3313 Handouts 34 Common Collector pp290

35 C. Hutchens Chap 4 ECEN 3313 Handouts 35 Common Collector Con’t

36 C. Hutchens Chap 4 ECEN 3313 Handouts 36 Small Signal Model Con’t Add Cs

37 C. Hutchens Chap 4 ECEN 3313 Handouts 37 Small Signal Model Cuttoff f

38 C. Hutchens Chap 4 ECEN 3313 Handouts 38 Small Signal Model Cuttoff f 0 dB See Fig 4.73 pp 325 also. This slide presents a very key concept. In practice in broad band amplifier design one CANNOT expect to apply a transistor beyond  T….

39 C. Hutchens Chap 4 ECEN 3313 Handouts 39 Small Signal Model EX 4.76 This is what its is about Understand and know for exam!!!


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