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A 20W Channel Class-D Amplifier with Significantly Reduced Common-Mode Radiated Emissions
Patrick Siniscalchi
Richard Hester
Paper 26.4
Texas Instruments, Inc
Outline
• Class-D Basics
• Motivation
• BD modulation 􀃆 Common-Mode Free BD (CMFBD) modulation
• Design Challenges
– Switch Timing
– Staged Switching
• Simulation
• Measured Results
• Conclusions |
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