3-1 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Chapter...

Post on 13-Jan-2016

212 views 0 download

transcript

McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.

3-1Chapter Three

The Bipolar Junction Transistor

McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.

3-2Figure 3.10Common-emitter circuits: (a) with an npn transistor, (b) with a pnp transistor, and (c) with a pnp transistor biased with a positive voltage source

McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.

3-3Figure 3.13

Transistor current-voltage characteristics of the common-emitter circuit

McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.

3-4Figure 3.18(a) Common-emitter circuit with an npn transistor and (b) dc equivalent circuit, with piecewise linear parameters

McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.

3-5Figure 3.19

Circuit for Example 3.3

McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.

3-6Figure 3.21

Circuit for Example 3.4

McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.

3-7Figure 3.22(a) base-emitter junction characteristics and the input load line and (b) common- emitter transistor characteristics and the collector-emitter load line

McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.

3-8Figure 3.23Circuit for Example 3.5

McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.

3-9

McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.

3-10Figure 3.26Circuit for Example 3.6

McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.

3-11Figure 3.33Circuit for Example 3.8

McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.

3-12Figure 3.44(a) A bipolar inverter used as an amplifier; (b) the inverter voltage transfer characteristics

McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.

3-13Figure 3.45(a) The inverter circuit with both a dc and an ac input signal; (b) the dc voltage transfer characteristics, Q-point, and sinusoidal input and output signals; (c) the transfer characteristics showing improper dc biasing

McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.

3-14Figure 3.53(a) A common-emitter circuit with an emitter resistor and voltage divider bias circuit in the base; (b) the dc circuit with a Thevenin equivalent base circuit