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DVD 표준용 24비트 데이터 변환기24-Bit Data Converter for DVD standard
- Other Titles
- 24-Bit Data Converter for DVD standard
- Issue Date
- Nov-2007
- Publisher
- 대한전자공학회
- Citation
- 2007년도 대한전자공학회 소사이어티 추계학술대회 논문집, v.30, no.2, pp 365 - 366
- Pages
- 2
- Indexed
- OTHER
- Journal Title
- 2007년도 대한전자공학회 소사이어티 추계학술대회 논문집
- Volume
- 30
- Number
- 2
- Start Page
- 365
- End Page
- 366
- Abstract
- High performance delta-sigma modulator is developed for digital audio equipment such as DVD recording systems. It employs a fifth-order single-loop 9-level delta-sigma modulator with an input-feedforward architecture. A second-order tree-structured mismatch-shaping circuit is utilized to remove tones and nonlinearities caused by capacitor mismatch of the feedback digital-to-analog converter. The modulator is designed with fully-differential switched capacitor integrators. All stages employ a class-AB OTA. The designed delta-sigma modulator when clocked at 6.4㎒ achieves 105㏈ signal-to-noise ratio(SNR) over the 20-㎑ audio band. This modulator consumes 13㎽ from a single 2.5V supply.
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Related Researcher
- Roh, Jeong jin
- ERICA 공학대학 (SCHOOL OF ELECTRICAL ENGINEERING)