Bipolar Junction Transistors: Operation, Circuit Models, and

heartlustElectronics - Devices

Nov 2, 2013 (3 years and 11 months ago)

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Bipolar Junction
Transistors: Operation,
Circuit Models, and
Applications

AC Power

CHAPTER


10



Figure 10.1

10
-
1

Controlled
-
source models of linear amplifier transistor operation

Figure 10.1

Fig
ure
10.2

10
-
2

Models of ideal transistor switches

Figure 10.2

Figure
10.4

10
-
3

Bipolar junction transistors

Figure 10.4

Figure
10.5,
10.6

10
-
4

Current flow in an
npn

BJT

Figure 10.5

Flow of emitter electrons into the
collector in an
npn

BJT

Figure 10.6

Figure 10.7,
10.8

10
-
5

Definition of BJT voltages and currents

Figure 10.7

The
BE

junction open
-
collector curve

Figure 10.8

Figure 10.9

10
-
6

(a) Ideal test circuit to determine
the
i
-
v

characteristic of a BJT

Figure 10.9a

(b) The collector
-
emitter output
characteristics of a BJT

Figure 10.9b

Figure
10.10

10
-
7

Determination of the operation region of a BJT

Figure 10.10

Fig
ure
10.1
3

10
-
8

Load
-
line analysis of a simplified BJT amplifier

Figure 10.13

Figure
10.15,
10.16

10
-
9

Circuit illustrating the amplification effect in a BJT

Figure 10.15

Amplification of sinusoidal oscillations in a BJT

Figure 10.16

Figure
10.20,
10.21

10
-
10

Practical BJT self
-
bias DC circuit

Figure 10.20

DC self
-
bias circuit represented in equivalent
-
circuit form

Figure 10.21

An
npn

BJT small


signal model

Hybrid
-
parameter (
h
-
parameter) small
-
signal model for BJT

; input impedance

; reverse voltage ratio

; forward current ratio

; output admittance

h

parameters for the 2N2222A BJT

;

;

Figure 10.22

10
-
11

An
npn

BJT large
-
signal model

Figure 10.22

LED driver circuit

Figure 10.24, 10.25

Figure
10.30

10
-
12

BJT switching characteristic

Figure 10.30

Figure
10.31, 10.32

10
-
13

TTL NAND gate

Figure 10.31

Figure 10.32