Digital class D amplifier with negative feedback
Class D audio power amplifiers have become more prevalent in consumer electronics products because of their high power efficiency and low power dissipation. However, some of the drawbacks of Class D amplifiers include circuit complexity, high Total Harmonic Distortion (THD), high switching noise etc...
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Format: | Final Year Project |
Language: | English |
Published: |
2009
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Online Access: | http://hdl.handle.net/10356/16756 |
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Institution: | Nanyang Technological University |
Language: | English |
Summary: | Class D audio power amplifiers have become more prevalent in consumer electronics products because of their high power efficiency and low power dissipation. However, some of the drawbacks of Class D amplifiers include circuit complexity, high Total Harmonic Distortion (THD), high switching noise etc. A Class D amplifier typically consists of three blocks: a modulation circuit, a digital output stage and a low pass filter.
In this project, I will analyze the various feedback topologies for Class D power amplifiers and design a Class D amplifier with low THD. This project is suitable for student with an interest in Mixed-Signal IC design. |
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