Design of Integrated Circuit of Electronic Musical Instruments and Leakage Protection Device

Abstract:

Ethnic harmony can make the every chord has stability within tone. It can make the chord has strong logic which has the role of continuity. Functional and tonality of harmony have important relevance. Harmony cannot play the role of harmony in the application without the tonality. The national electronic musical instrument of the system treats MIC29151 as core regulator. It controls ADC0809 sampling through AT89S52 and displays output power timely. Leakage protection device achieves the leakage protection by an instrumentation amplifier AD623, voltage comparator LM2901 and CD4013 dual D flip-flop relay switch. The system can output 5V voltage stability and precise. When rate current is 1A and input voltage is 7~25V, output voltage regulation is 0.132%. When input voltage is 5.5~7V, output voltage is 5±0.05V. When input voltage is 7V, load regulation is 0.032% which is an ideal solution for national electronic musical instrument.

• Periodical: Applied Mechanics and Materials (Volumes 543-547)
• Pages: 572-575
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.543-547.572
• Online since: March 2014
• Authors: Cheng Liu*
• Keywords: AT89S52, Leakage Protection, MIC29151, National Electronic Musical Instruments

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