연세대 전기전자 응용실험 예비보고서 4. Digital Analog Converter(DAC)
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- 2009.02.20
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- 2008.04
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연세대 전기전자 응용실험 예비보고서 4.Digital Analog Converter(DAC) 입니다.
목차
▶▶ Experiment progress and plans
▶▶ Answers to the questions
① Find the what each pins of DAC0800 means.
② Referring DAC0800`s datasheet, draw schematic to make required circuit.
본문내용
Experiment progress and plans
The purpose of this experiment is to understand how to use DAC and complement circuit that inputs and outputs with range we wanted.
In this experiment, we use DAC0800, R-2R current mirror 8bit DAC. R-2R ladder structure is very significant in this chapter.
R-2R DACR-2R current mirror DAC
The most important reason that why we use R-2R DAC is that we can save circuit`s area. Resister line DAC, Thermometer DAC, Binary weighted DAC require elements. Also, Binary weighted DAC require to maintain accurate ratio of elements but if element is bigger, ratio will be not accurate and display of DAC will be interrupted.
Therefore, the R-2R ladder structure, need only elements and we can greatly diminish area. Using it, we will also make R-2R current mirror DAC.
참고 자료
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