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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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TDA7402 数据表(PDF) 22 Page - STMicroelectronics |
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TDA7402 数据表(HTML) 22 Page - STMicroelectronics |
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22 / 71 page  Audioprocessor part TDA7402 22/71 Note: For steps more than 0.5dB the SoftStep mode should be deactivated because it could generate a hard 1dB step during the blend time. 4.6 Bass There are four parameters programmable in the bass stage: 4.6.1 Attenuation Figure 9 shows the attenuation as a function of frequency at a center frequency of 80Hz. Figure 9. Bass control @ fC = 80Hz, Q = 1 4.6.2 Center frequency Figure 10 shows the eight possible center frequencies 60, 70, 80, 90, 100, 130, 150 and 200Hz. Figure 10. Bass center frequencies @ gain = 14dB, Q = 1 -15.0 -10.0 -5.0 0.0 5.0 10.0 15.0 10.0 100.0 1.0K 10.0K dB Hz dB Hz 0.0 2.5 5.0 7.5 10.0 12.5 15.0 10.0 100.0 1.0K 10.0K |
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