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#第六届立创电赛#30W蓝牙2.1声道功放(已验证)

创建时间:2年前

描述

<div class="document"> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">注:* 为必填项</p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><strong><span style="color:#0093e6;">请在报名阶段填写 ↓</span></strong></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <h3 class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">* 1、项目功能介绍</h3> <hr class="horizontal-splitline normal-bold-2"><p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">基于D类数字功放芯片 TPA3116蓝牙功放。蓝牙采用BK3254模块。</p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">1、支持2.1声道。</p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">2、支持有线3.5和蓝牙两种音源输入,随便切换。</p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">3、支持USB、TF卡播放。</p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">4、总音量、立体声、低音三种调节。</p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">5、功放和蓝牙采用B0503S电源隔离模块,使得不同地,理论上有效避免电流声。</p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">6、蓝牙BK3254模块还带有FM、红外遥控等功能,本作未使用,有兴趣的朋友可以加入。</p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><img src="//image.lceda.cn/pullimage/K9P2h6ZUdx2RPLZHmgkyZRzYJAZ7dfR6TPXbGTXj.jpeg" alt="" width="1200" height="1200"></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">喇叭采用家里闲置的5.1中置音箱做改造,换了全新30W4寸全频喇叭+1个4寸低音喇叭,给低音喇叭再买了个空箱。</p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">测试有源和蓝牙音源都完美。低音足够强劲。由于采用12V供电,基本不会达到满载功率(不同电压下的最大输出功率是不一样的,电压越高,最大输出功率越大),但本套对付4寸30瓦足够富余。有条件可以上6.5寸喇叭+8寸低音!</p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">视频用手机拍摄,质量一般,录的声音肯定没有实听好。音量不敢开大,只开了一点。不敢测试最大音量!怕扰民!</p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><img src="//image.lceda.cn/pullimage/Tq6DIuLg0qC64yfwx8V9yfIALVxERfzf55okIem5.png" alt="Tq6DIuLg0qC64yfwx8V9yfIALVxERfzf55okIem5.png"></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">左右声道用一片NE5532+一片TPA3116D2组成前后级。目前前级放大倍率11倍左右,感觉还行!放大倍速有R21、R22和R23、R24决定。公式:放大倍数A=1+R22/R21</p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">低音声道采用两片NE5532+1片TPA3116D2组成前后级。一片NE5532作为低音放大,一片NE5532作为低通滤波。后级以PBTL单模式连接,理论上输出功率可最高达100W。</p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">当然还有值得改进的地方,比如NE5532可用稳压模块稳压在12V-15V,这样可以用18V和24V的常规电源来供电了。目前暂时使用12V电源来供电,会使NE5532的电压低于12V。再比如有条件可以用双电源。但必须做到内阻等对称并稳压!</p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">后级TPA3116D2没啥好说的,基本按数据手册来,只是加大了滤波电容。</p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">另外电感最好采用22uH,因为22uH+0.68uF低通截止频率为41.15kHz,而10uH+0.68uF低通截止频率为61kHz,所以理论上22uH+0.68uF的性能要远好于10uH+0.68uF,而且静态电流也比10uH+0.68uF低,发热也低。故准备换成22uH的电感再体验下区别(以后再更新体验吧)。</p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">关于TPA3116D2增益(第8脚):数据手册上可以参考。</p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">但总的原则是:功放增益设大以后,输入的噪声会一起跟着被放大,输出底噪肯定会很大。一般建议供电电压在12V以下增益可以适当大一些,电压在12V以上不 建议使用大增益。也就是如果觉得底噪声过大时,可以试着调一下增益试试。</p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><img src="//image.lceda.cn/pullimage/RA70bz7IXgFAhGuZqhr673ZRYzDYJC3eGJzXtV4D.png" alt="RA70bz7IXgFAhGuZqhr673ZRYzDYJC3eGJzXtV4D.png"></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">关于蓝牙:采用BK3254模块,目前只引出了USB和SD,至于FM等暂时不需要,故没有引出。保留了串口功能(可以改蓝牙名称)。</p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">                  供电模块采用B0503S隔离共地。以避免蓝牙所产生的共地电流声。</p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">PCB Layerout:音频左右声道来源到前级,前级到后级都应该差分等长布线(突然想到的,但画图的时候忘了,打板后暂无问题,但最好的差分等长)</p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">                         电源及输出铺铜加粗。</p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><span style="color:#95a5a6;font-size:14px;">注:主题不限,可以是解决生活/工作中的某个问题、为某个人群/场景设计的方案、毕业设计/课程设计/DIY项目/纯属炫酷项目等。主要讲一下自己通过什么手段解决了什么问题。</span></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <h3 class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">*2、项目属性</h3> <hr class="horizontal-splitline normal-bold-2"><p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><span style="color:#95a5a6;font-size:14px;">项目为首次公开,并为原创!</span></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><span style="color:#95a5a6;font-size:14px;">注:请说明项目是否首次公开;项目是否为原创;项目是否曾经在其他比赛中获奖,若有获奖则叙述获奖详情;项目是否在学校参加过答辩。</span></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <h3 class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">* 3、开源协议</h3> <hr class="horizontal-splitline normal-bold-2"><p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><span style="color:#95a5a6;font-size:14px;">GPL 3.0</span></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><span style="color:#95a5a6;font-size:14px;">注:利他即利己,请认真阅读下述内容。</span></p> <ol style="line-height:1.8;"><li class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-hanging-indent-1.6em" style="line-height:1.8;"><span style="color:#95a5a6;font-size:14px;">拥抱开源,赋予项目无限价值。建议项目核心功能开源80%以上;</span></li> <li class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-hanging-indent-1.6em" style="line-height:1.8;"><span style="color:#95a5a6;font-size:14px;">若某一部分功能不可替代且删掉之后项目无法解决对应的问题,则这一部分实现的功能就是项目的核心功能;比如设计了一台电子负载且设计了一款上位机软件监控功率变化,则电子负载为核心功能,上位机软件为辅助功能;比如电子负载中使用了一款隔离485模块与上位机通信,则此485模块实现的通讯功能为辅助功能;</span></li> <li class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-hanging-indent-1.6em" style="line-height:1.8;"><span style="color:#95a5a6;font-size:14px;">项目应选择适合自己的<span style="text-decoration:underline;"><a href="/posts/98fdb2accd754af7b51990790db3b47a" target="_blank">开源协议</a></span>,若项目引用其他开源项目,应注明来源并遵循原作者的开源协议规定;原创项目推荐使用GPL3.0开源协议;</span></li> <li class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-hanging-indent-1.6em" style="line-height:1.8;"><span style="color:#95a5a6;font-size:14px;">直接引用开源项目的原电路或原代码实现的功能不可作为自己项目的核心功能、使用市场上通用模块直接实现的功能不可作为自己项目的核心功能。</span></li> </ol><p style="line-height:1.8;"> </p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><strong><span style="color:#0093e6;">请在竞赛阶段填写 ↓</span></strong></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <h3 class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">*4、硬件部分</h3> <hr class="horizontal-splitline normal-bold-2"><p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><img src="//image.lceda.cn/pullimage/QUOleKry0p7un679VPlaMsHQERznNj9glseTmjJx.jpeg" alt=""></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><span style="color:#95a5a6;font-size:14px;">注:推荐使用<span style="text-decoration:underline;"><a href="https://lceda.cn/editor" target="_blank">立创EDA</a></span>。若选择其他EDA工具,请在附件上传PDF格式的原理图,PDF格式的PCB图纸,Gerber格式的PCB文件。这里可以详细说明您的项目实现原理和机制、注意事项、调试方法、测试方法等。推荐图文并茂的形式向别人介绍您的想法。</span></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-left-indent-1.6em" style="line-height:1.8;"> </p> <h3 class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">*5、软件部分</h3> <hr class="horizontal-splitline normal-bold-2"><p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><span style="color:#95a5a6;font-size:14px;">无</span></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><span style="color:#95a5a6;font-size:14px;">注:若您的项目涉及软件开发,请在附件上传对应的工程源码。这里可以详细说明您的软件流程图、功能模块框图、相关算法的解释或科普、源码结构、编译环境的搭建和配置、源码编译方法、程序烧录方法等。推荐图文并茂的形式向别人介绍您的想法。</span></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-left-indent-1.6em" style="line-height:1.8;"> </p> <h3 class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">*6、BOM清单</h3> <hr class="horizontal-splitline normal-bold-2"><p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><span style="color:#95a5a6;"><span style="font-size:14px;">参考原理图</span></span></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><span style="color:#95a5a6;font-size:14px;">注:项目涉及的BOM清单。这个位置请上传BOM的截图。清单详情请以PDF的格式上传到附件中。建议包括型号、品牌、名称、封装、采购渠道、用途等内容。具体内容和形式应以表达清楚项目构成为准。</span></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <h3 class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">*7、大赛LOGO验证</h3> <hr class="horizontal-splitline normal-bold-2"><p style="line-height:1.8;"><img src="//image.lceda.cn/pullimage/5FkKMWGCRALzYgkxwhb1gpwrppi5tLDw2nkhZLu1.png" alt="5FkKMWGCRALzYgkxwhb1gpwrppi5tLDw2nkhZLu1.png"></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><span style="color:#95a5a6;font-size:14px;">请上传包含大赛logo的项目图片,logo以丝印形式印刷在PCB上面。</span></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><span style="color:#95a5a6;font-size:14px;">点击zip下载大赛logo标识! <span style="text-decoration:underline;"><a href="https://lceda.oss-cn-shenzhen.aliyuncs.com/diy/uploads/file/2019/05/29/0e4d93a463d7ceb5e7dc77d774b7a4ae.zip" target="_blank">(大赛标识).zip</a></span></span></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <h3 class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">* 8、演示您的项目并录制成视频上传</h3> <hr class="horizontal-splitline normal-bold-2"><p style="line-height:1.8;"> </p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><span style="color:#95a5a6;font-size:14px;">视频要求:请横屏拍摄,分辨率不低于1280×720,格式Mp4/Mov,单个视频大小限100M内;</span></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><span style="color:#95a5a6;font-size:14px;">视频标题:立创电赛:{项目名称}-{视频模块名称};如立创电赛:《自动驾驶》-团队介绍。</span></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><span style="font-size:14px;">更多详情:<a href="/posts/06c94d90c2c447dfbd9ed7339ff4a5b1" target="_blank">https://diy.szlcsc.com/posts/06c94d90c2c447dfbd9ed7339ff4a5b1</a></span></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> </div>
  • 30W蓝牙2.1声道功放1.mp4

  • 30W蓝牙2.1声道功放2.mp4

文档

蓝牙2.1声道功放

PCB_#第六届立创电赛#30W蓝牙2.1声道功放

BOM

ID Name Designator Footprint Quantity Manufacturer Part Manufacturer Supplier Supplier Part
1 47uf C1 CAP-SMD_BD6.3-L6.6-W6.6-FD 1
2 100nF C2,C7,C10,C15,C17,C21,C45,C52,C65 C0805 9
3 4.7uF C3 CAP-TH_BD5.0-P2.00-D0.8-FD 1
4 10uF C4 CAP-TH_BD5.0-P2.00-D0.8-FD 1
5 2200uF C5,C46,C53,C64 CAP-TH_BD12.5-P5.00-D0.6-FD 4
6 1nF C6,C30,C33,C37,C40,C44,C50,C51,C55,C58,C66 C0805 11
7 100uF C8,C9,C27 CAP-TH_BD5.0-P2.00-D0.8-FD 3
8 4.7uF C11,C12 C0805 2
9 1uF C13,C14,C16,C22,C23,C24,C25,C26,C47,C48,C49 C0805 11
10 2.2uF C19,C20 C0805 2
11 220nF C28,C35,C42,C43,C60,C61,C62,C63 C0805 8
12 10nF C31,C32,C38,C39,C56,C57 C0805 6
13 4.7uF C67 C0603 1
14 10uF C68 C0603 1
15 TF CARD1 TF-SMD_TF-15-15 1
16 PJ-321B CN2 AUDIO-TH_PJ-321B 1
17 HX25035-3A CN4 CONN-TH_3P-P2.50_HX25035-3A 1
18 SS54 D1 SMC_L7.1-W6.2-LS8.1-RD 1
19 SS14 D2 SMA_L4.4-W2.8-LS5.4-RD 1
20 安装孔3.3 H1,H2,H3,H4 安装孔3.3 4
21 DC-005C-20A J1 DC-IN-TH_DC-005C-20A 1
22 UART JP1 4P 1
23 10uH L1,L2,L3,L4,L5,L6 IND-SMD_L12.5-W12.5_SLF12565T-331MR87-H 6
24 19-217/R6C-AL1M2VY/3T LED1,LED3 LED0603-R-RD 2
25 GREEN LED2 LED-1206 1
26 SKHHCRA010 MODE,NEXT/VOL+,P.P/CALL,PREV/VOL- SW-TH_4P-L6.0-W6.0-P4.50-LS6.5 4
27 1K R2,R7,R21,R23,R43 R0805 5
28 10K R3,R6,R13,R14,R18,R22,R24,R30,R31,R42,R50 R0805 11
29 100 R4 R0805 1
30 470 R5 R0805 1
31 4.7K R8,R10,R16,R17 R0805 4
32 100K R9,R11,R27,R28 R0805 4
33 47K R15,R19,R20 R0805 3
34 3.3 R26,R32,R33,R34,R35,R39,R40 R0805 7
35 20K R29 R0805 1
36 75K R36 R0805 1
37 47K R37,R38 R0805 2
38 2K R41 R0603 1
39 3.3K R44 R0603_NEW 1
40 0 R45,R46,R47 R0603 3
41 220 R48,R49 R0603 2
42 SS-1260L-G2 SW1 SW-SMD_SS-1260L-G2 1
43 SS-12D11G5R SW2 SW-TH_SS-12D11G5R 1
44 BK3254 U1 BK3254 1
45 NE5532AD8G U2,U3,U5 SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL 3
46 TPA3116D2DAD U4,U8 HTSSOP-32_L11.0-W6.1-P0.65-LS8.1-BL 2
47 ROUT U6 CONN-TH_DG127-5.08-02P-14-02A 1
48 LOUT U7 CONN-TH_DG127-5.08-02P-14-02A 1
49 DG127-5.08 U9 CONN-TH_DG127-5.08-02P-14-02A 1
50 BASS U10 CONN-TH_DG127-5.08-02P-14-02A 1
51 680nF U11,U14,U15,U16,U17,U29 CAP-TH_L7.2-W4.5-P5.00-D0.6 6
52 B0503S-1WR3 U12 PWRM-TH_B0503S-1WR2 1
53 MC7805 U13 TO-252-2_L6.6-W6.1-P4.57-LS9.9-TL-CW 1
54 AF90CBJ USB1 USB-A-TH_AF90CBJ 1
55 电位器 R1,R12,R25 双联电位器 3

附件

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30W蓝牙2.1声道功放1.mp4
30W蓝牙2.1声道功放2.mp4

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立创电赛 回复
<p> 需要上传logo验证实图哟~</p>
skylixu 回复
<p>@LCDS 由于PCB超出10*10了,所以PCB是友商那里去撸的。不敢放立创的LOGO哇!</p>
立创电赛 回复
<p>@skylixu 咱们大赛的板子上是需要logo的哟~</p>
立创电赛 回复
<p>加油更新文档哟,完成后可申请价值58元PWLINK调试器,先到先得。<a href="https://diy.szlcsc.com/posts/35d08431c7ae49b6b9ea5698eb70ecba" target="_blank">https://diy.szlcsc.com/posts/35d08431c7ae49b6b9ea5698eb70ecba</a></p>
hky740235358 回复
<p>换成22uH的电感测试的效果怎么样呢</p>
hky740235358 回复
<p>看hifi论坛里面有人使用主从模式后会在某一音量上产生去除不掉的噪声,请问在实际测试的时候有没有遇到呢?</p>
~~ 回复
<p>低音效果怎么样</p>
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