Abstract: Class D audio amplifiers like the MAX9704 offer almost 90% efficiency, but they need 10V to operate. By incorporating a switched-mode boost converter (MAX1771), which generates 12V from inpu
5 LED VU Meter kit is based on LB1409 IC from SANYO, which will indicates the volume level of the audio signal it sensesSUPPLY 12V DC @ 50mA PR1 REF SET PR2 AUDIO LEVEL SET Sc
专业音响系统制造商Crest Audio决定选用Actel的APA075 ProASIC Plus FPGA器件，用于全新系列的先进多声道数字放大器产品中。新型CM2204 和CM2208放大器产品为安装音响应用提供功能强大但成本低的多声道数字放大解决方案，应用范围由小型夜总会至大型露天场馆。CM系列会利用Actel的FPGA进行高速数字信号处理，以及放大器的保护和控制。Crest Audio CM放大器系列设计师Tommy O’Brien称：“我们为先进多声道数字放大器系列产品选用ProASIC Plu
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