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Transcript of 8-1 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Chapter...
![Page 1: 8-1 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Chapter Eight Output Stages and Power Amplifiers.](https://reader036.fdocuments.in/reader036/viewer/2022070403/56649f2f5503460f94c49e0f/html5/thumbnails/1.jpg)
McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.
8-1Chapter Eight
Output Stages
and
Power Amplifiers
![Page 2: 8-1 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Chapter Eight Output Stages and Power Amplifiers.](https://reader036.fdocuments.in/reader036/viewer/2022070403/56649f2f5503460f94c49e0f/html5/thumbnails/2.jpg)
McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.
8-2Figure 8.1Typical dc beta characteristics (hFE versus lc) for 2N3055
![Page 3: 8-1 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Chapter Eight Output Stages and Power Amplifiers.](https://reader036.fdocuments.in/reader036/viewer/2022070403/56649f2f5503460f94c49e0f/html5/thumbnails/3.jpg)
McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.
8-3Figure 8.3The safe operating area of a bipolar transistor plotted on: (a) linear scales and (b) logarithmic scales
![Page 4: 8-1 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Chapter Eight Output Stages and Power Amplifiers.](https://reader036.fdocuments.in/reader036/viewer/2022070403/56649f2f5503460f94c49e0f/html5/thumbnails/4.jpg)
McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.
8-4Figure 8.7Typical characteristics for high-power MOSFETs: (a) transconductance versus drain current; (b) transfer characteristics
![Page 5: 8-1 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Chapter Eight Output Stages and Power Amplifiers.](https://reader036.fdocuments.in/reader036/viewer/2022070403/56649f2f5503460f94c49e0f/html5/thumbnails/5.jpg)
McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.
8-5Figure 8.8(a) Cross section of a VMOS device; (b) cross section of DMOS device; (c) HEXFET structure
![Page 6: 8-1 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Chapter Eight Output Stages and Power Amplifiers.](https://reader036.fdocuments.in/reader036/viewer/2022070403/56649f2f5503460f94c49e0f/html5/thumbnails/6.jpg)
McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.
8-6Figure 8.15Collector current versus time characteristics: (a) class-A amplifier, (b) class-B amplifier, (c) class-AB amplifier, and (d) class-C amplifier
![Page 7: 8-1 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Chapter Eight Output Stages and Power Amplifiers.](https://reader036.fdocuments.in/reader036/viewer/2022070403/56649f2f5503460f94c49e0f/html5/thumbnails/7.jpg)
McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.
8-7Figure 8.16(a) Common-emitter amplifier, (b) dc load line, and (c) instantaneous power dissipation versus time in the transistor
![Page 8: 8-1 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Chapter Eight Output Stages and Power Amplifiers.](https://reader036.fdocuments.in/reader036/viewer/2022070403/56649f2f5503460f94c49e0f/html5/thumbnails/8.jpg)
McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.
8-8Figure 8.20Crossover distortion of basic complementary push-pull output stage
![Page 9: 8-1 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Chapter Eight Output Stages and Power Amplifiers.](https://reader036.fdocuments.in/reader036/viewer/2022070403/56649f2f5503460f94c49e0f/html5/thumbnails/9.jpg)
McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.
8-9Figure 8.23Bipolar class-AB output stage
![Page 10: 8-1 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Chapter Eight Output Stages and Power Amplifiers.](https://reader036.fdocuments.in/reader036/viewer/2022070403/56649f2f5503460f94c49e0f/html5/thumbnails/10.jpg)
McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.
8-10Figure 8.24Characteristics of a class-AB output stage: (a) voltage transfer curve,(b) sinusoidal input signal, (c) collector currents, and (d) output current
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McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.
8-11Figure 8.28(a) Transformer-coupled common-emitter amplifier and (b) dc and ac load lines
![Page 12: 8-1 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Chapter Eight Output Stages and Power Amplifiers.](https://reader036.fdocuments.in/reader036/viewer/2022070403/56649f2f5503460f94c49e0f/html5/thumbnails/12.jpg)
McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.
8-12Figure 8.30Class-AB output stage with quiescent bias established by diodes
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McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.
8-13Figure 8.31Class-AB output stage with VBE multiplier bias circuit