CS9482 holiday lights ASIC

Posted on Mar 28, 2007

CS9482 integrated circuit fabrication with holiday lights circuit shown in Figure 2-37. Since the CS9482 chip already has 4.1V voltage regulator circuit, the external circuit m

CS9482 holiday lights ASIC
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ay not necessarily be so regulated, but the voltage exceeds 4V, the external circuit should be added to the current limiting resistor R2. VT Manifold 5 feet for amplifying the output of the music signal to drive the piezoelectric ceramic sheet B sound. FIG regulator VD5 electrical locator RP is mainly used to adjust the operating voltage of the transistor VT, VD5 can not be omitted. After the circuit is powered, lantern string HI, H2 can flashing light, while the piezoelectric ceramic chip B also plays electronic music within the reservoir.

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