Analysis, design and implementation of a low-distortion micropower digital class D amplifier
This dissertation describes the analysis, design and implementation of a digital Class D amplifier for low-distortion low-voltage micropower applications including hearing instruments. A digital Class D amplifier comprises a digital pulse width modulator, an output stage and a low-pass filter. In a...
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| Format: | Theses and Dissertations |
| Published: |
2008
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| Online Access: | http://hdl.handle.net/10356/3632 |
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| Institution: | Nanyang Technological University |
| Summary: | This dissertation describes the analysis, design and implementation of a digital Class D amplifier for low-distortion low-voltage micropower applications including hearing instruments. A digital Class D amplifier comprises a digital pulse width modulator, an output stage and a low-pass filter. In a digital hearing instrument, a digital Class D amplifier embodying a digital pulse width modulator has an advantage over analog Class D amplifier of directly interfacing to the digital processor, thereby eliminating the need for a digital-to-analog converter. |
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