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EMERGING MARKETS FOR
CLASS D POWER AMPLIFICATION

Report No. 4030

Table Of Contents

  • I. EXECUTIVE OVERVIEW
    • A. Introduction
    • B. Stasis and Transition within the Amplifier Marketplace
    • C. Velocity of Change
    • D. Market Summary
    • E. How This Report is Structured
  • II. TECHNOLOGY
    • A. Principles of Class D Operation
  • III. CLASS D TECHNOLOGY IN MARKET TERMS
    • A. Introduction
    • B. Variants and Subtypes
    • C. Benefits and Advantages of Class D operation
    • D. Drawbacks, Historical and Ongoing
    • E. Competitive Position of Class D vis a vis Competing Technologies
      • 1. Cost
      • 2. Performance
  • IV. PHYSICAL EMBODIMENTS OF CLASS D
    • A. Overview
    • B. Class D Power Supplies
    • C. Discrete Class D Amplifier Modules
    • D. Product Differentiation
  • V. MARKET ANALYSIS
    • A. Historical Data
      • 1. Chip Prices
    • B. The Consumer Electronics Market
      • 1. Home Audio
      • 2. DVD Receivers and Home Theater in a Box
      • 3. AV Receivers
      • 4. Stereo Component Amplifiers
        • a) Nature of the Category
        • b) Multi-Channel Component Amps
      • 5. Powered Speakers
        • a) Powered Subwoofers
        • b) Full-Range Powered Speakers
      • 6. Distributed Audio
      • 7. Portable Audio
      • 8. Automotive Audio
      • 9. Aftermarket Autosound
      • 10. Televisions
      • 11. Commercial Audio
    • C. Professional Audio
    • D. Mobile Telephones
    • E. The Computer Market
      • 1. PDAs
    • F. Hearing Aids
    • G. DSL Drivers
    • H. Motor Controllers
    • I. Market Summary
  • VI. MAJOR MANUFACTURERS
    • A. Analog Devices
    • B. Apex Microtechnology
    • C. Apogee Technology, Inc.
    • D. Bang & Olufsen
    • E. Cirrus Logic
    • F. D2 Audio
    • G. Freescale
    • H. International Rectifier
    • I. Jam Technologies
    • J. Maxim
    • K. Microsemi
    • L. Monolithic Power Systems
    • M. Mueta
    • N. National Semiconductor
    • O. Philips Semiconductor
    • P. Pulsus
    • Q. STMicroelectronics
    • R. Texas Instruments
    • S. Tripath
    • T. Wolfson Microelectronics
    • U. Zetex
    • V. Others
  • VII. SUMMARY & CONCLUSIONS

Figures

Figure 1 Class D Amplifier Chip Market: 2003
Figure 2 Class D Chip Market Forecast
Figure 3 Class A Output Stage Circuit
Figure 4 Class B Output Stage
Figure 5 Analog vs. Digital Amplifier
Figure 6 Triangle Wave Train
Figure 7 Comparison of Binary and DDX Damped Ternary Modulation
Figure 8 Example Output Filter
Figure 9 Bridge Output Stage
Figure 10 Sigma-Delta Output Pulse Train
Figure 11 Power Efficiency Comparison
Figure 12 Class D Amplifier Chip Market by Application, 2003
Figure 13 Class D Amplifier Chip Market Breakout: 2003
Figure 14 Class D Controller Chip Price Trend
Figure 15 Class D Power Chip Price Trend
Figure 16 DVD Receiver Class D Chip Forecast
Figure 17 A/V Receiver Chip Set Forecast
Figure 18 Boombox Class D Chip Forecast
Figure 19 CD Headphones Class D Chip Forecast
Figure 20 Factory (OEM) Autosound Class D Chip Forecast
Figure 21 Aftermarket Autosound Class D Chip Forecast
Figure 22 Plasma Display Class D Chip forecast
Figure 23 Professional Audio Class D Amplifier Forecast
Figure 24 Mobile Phone Class D Chip Forecast
Figure 25 Personal & Portable Computer Class D Chip Forecast
Figure 26 PDA Class D Amplifier Forecast
Figure 27 Hearing Aid Class D Chip Forecast
Figure 28 Class D Amplifier Market Forecast Summary by Application


Tables

Table 1 Detailed Listing of 2003 Class D Amplifier Market
Table 2 DVD Receiver Class D Chip Shipments
Table 3 A/V Receiver Chip Set Shipments
Table 4 Boombox Class D Chip Shipments (’04-’08)
Table 5 CD Headphones Class D Chip Shipments
Table 6 Factory (OEM) Autosound Class D Chip Shipments
Table 7 Aftermarket Autosound Class D Chip Shipments
Table 8 Plasma Display Class D Chip Shipments
Table 9 Professional Audio Class D Amplifier Shipments
Table 10 Mobile Phone Class D Chip Shipments
Table 11 Personal & Portable Computer Class D Chip Shipments
Table 12 PDA Class D Amplifier Shipments
Table 13 Hearing Aid Class D Chip Shipments
Table 14 Class D Amplifier Market Forecast Summary


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