ECl89 internal circuit and typical application circuit diagram

Published:2011/5/3 3:04:00 Author:Ecco | Keyword: internal circuit , typical application | From:SeekIC

The working principle is shown in Fig. It shows the internal circuit diagram and typical application circuit of EC189 4 × 4 dot matrix sound and light control circuit. It is mainly composed of the amplification circuit / rectifier, voltage-controlled oscillator (VC0), counter / decoder, drive and power supply voltage regulator and other components.



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