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介绍了TDF8590的原理及基于单片TDA8902的2×80WD类音频功放的应用电路,对功放外围电路主要元器件的选择进行了分析,列出了电路设计中的注意事项,对印刷电路板的优化设计提出了详细的方案和措施。
The principle of TDF8590 and the application circuit of 2 × 80WD audio amplifier based on single chip TDA8902 are introduced. The selection of main components of power amplifier peripheral circuit is analyzed. The precautions in circuit design are listed, and the optimization of printed circuit board Design proposed a detailed program and measures.