<h1>1.项目介绍</h1> <p>本电路可以对音频输入信号进行调整，使用LA3600芯片，提供5段电路均衡</p> <p>它的中心频率和灵敏度可编程<br>宽电压输入，可承受5-15伏电压无错误输出<br>高稳定容性负载</p> <p> </p> <p>通过Base和NF到总NF端的电容即可更改频段，更改电位器即可更改电平</p> <p> </p> <p>本电路提供的电容和频率如下</p> <table width="528"> <tr> <td width="123" height="46"> <p><strong>C1(</strong><strong>nF</strong><strong>)</strong></p> </td> <td width="135"> <p><strong>C2</strong><strong>（</strong><strong>nF</strong><strong>）</strong></p> </td> <td colspan="2" width="270"> <p><strong>f</strong></p> </td> </tr> <tr> <td width="123" height="53"> <p>220.0000</p> </td> <td width="135"> <p>100.0000</p> </td> <td width="215"> <p>118.7857</p> </td> <td width="56"> <p>Hz</p> </td> </tr> <tr> <td width="123" height="53"> <p>47.0000</p> </td> <td width="135"> <p>47.0000</p> </td> <td width="215"> <p>374.8673</p> </td> <td width="56"> <p>Hz</p> </td> </tr> <tr> <td width="123" height="53"> <p>10.0000</p> </td> <td width="135"> <p>33.0000</p> </td> <td width="215"> <p>969.8810</p> </td> <td width="56"> <p>Hz</p> </td> </tr> <tr> <td width="123" height="53"> <p>0.4700</p> </td> <td width="135"> <p>22.0000</p> </td> <td width="215"> <p>5479.1747</p> </td> <td width="56"> <p>Hz</p> </td> </tr> <tr> <td width="123" height="53"> <p>0.2200</p> </td> <td width="135"> <p>10.0000</p> </td> <td width="215"> <p>11878.5677</p> </td> <td width="56"> <p>Hz</p> </td> </tr> </table> <p> </p> <p>输入方法：将3.5mm线插入输入端，拨码开关选择通道（左右声道），输出通道也同样输出到3.5mm线，也需要指定通道</p> <p>只支持单通道输入或者双通道混合为单通道输入，如果想要双通道可以使用debug针脚，定义如下</p> <p>排针排母自选，1*10p</p> <table style="width: 40.3011%; height: 242px;"> <tr style="height: 22px;"> <th style="width: 18.8627%; height: 22px;">针脚</th> <th style="width: 26.3267%; height: 22px;">网络端口</th> <th style="width: 218.795%; height: 22px;">释义</th> </tr> <tr style="height: 22px;"> <td style="width: 18.8627%; height: 22px;">1</td> <td style="width: 26.3267%; height: 22px;">EQ OUT</td> <td style="width: 218.795%; height: 22px;">处理后音频输出</td> </tr> <tr style="height: 22px;"> <td style="width: 18.8627%; height: 22px;">2</td> <td style="width: 26.3267%; height: 22px;">GND</td> <td style="width: 218.795%; height: 22px;">公共地</td> </tr> <tr style="height: 22px;"> <td style="width: 18.8627%; height: 22px;">3</td> <td style="width: 26.3267%; height: 22px;">无</td> <td style="width: 218.795%; height: 22px;">悬空</td> </tr> <tr style="height: 22px;"> <td style="width: 18.8627%; height: 22px;">4</td> <td style="width: 26.3267%; height: 22px;">GND</td> <td style="width: 218.795%; height: 22px;">公共地</td> </tr> <tr style="height: 22px;"> <td style="width: 18.8627%; height: 22px;">5</td> <td style="width: 26.3267%; height: 22px;">LA Input</td> <td style="width: 218.795%; height: 22px;">左通道输入</td> </tr> <tr style="height: 22px;"> <td style="width: 18.8627%; height: 22px;">6</td> <td style="width: 26.3267%; height: 22px;">RA Input</td> <td style="width: 218.795%; height: 22px;">右通道输入</td> </tr> <tr style="height: 22px;"> <td style="width: 18.8627%; height: 22px;">7</td> <td style="width: 26.3267%; height: 22px;">GND</td> <td style="width: 218.795%; height: 22px;">公共地</td> </tr> <tr style="height: 22px;"> <td style="width: 18.8627%; height: 22px;">8</td> <td style="width: 26.3267%; height: 22px;">VCC</td> <td style="width: 218.795%; height: 22px;">电源输入</td> </tr> <tr style="height: 22px;"> <td style="width: 18.8627%; height: 22px;">9</td> <td style="width: 26.3267%; height: 22px;">空</td> <td style="width: 218.795%; height: 22px;">悬空</td> </tr> <tr style="height: 22px;"> <td style="width: 18.8627%; height: 22px;">10</td> <td style="width: 26.3267%; height: 22px;">空</td> <td style="width: 218.795%; height: 22px;">悬空</td> </tr> </table> <p>从debug针脚或者电源插座插入9-18V电源，插入音频接口，调节输入输出通道接入功放</p> <p> </p> <h1>2、项目属性</h1> <p>该项目为原创项目，首次公开，仅在立创开源平台进行公开<br>根据GPL3.0协议禁止作为商品出售，仅供学习，教育等用途</p> <p> </p> <h1>3、开源协议</h1> <p>该项目遵守GPL3.0协议，不可商用，仅作为学习教育使用，允许二次创作，但二次创作后也要相同协议开源</p> <p> </p> <h1>4、硬件部分</h1> <h2>均衡IC</h2> <p>弥补音响缺陷，加了LA3600五段均衡器芯片，采用DIP-16封装<br>它的中心频率和灵敏度可编程<br>宽电压输入，可承受5-15伏电压无错误输出<br>高稳定容性负载</p> <p><img src="//image.lceda.cn/pullimage/urNybhlAPmRIVm2ekSEqPea4l383AdCCvjwySmtm.png" alt="urNybhlAPmRIVm2ekSEqPea4l383AdCCvjwySmtm.png"></p> <p> </p> <p>这是它的针脚定义<img src="//image.lceda.cn/pullimage/V8x4MuITNPX75CIs4ZKFd75DO0ER3hkThv8EWJjJ.png" alt="V8x4MuITNPX75CIs4ZKFd75DO0ER3hkThv8EWJjJ.png"></p> <table width="398"> <tr> <td width="106" height="46"> <p><strong>针脚</strong></p> </td> <td width="107"> <p><strong>定义</strong></p> </td> <td width="186"> <p><strong>释义</strong></p> </td> </tr> <tr> <td width="106" height="38"> <p>1/3/5/7/9</p> </td> <td width="107"> <p>Base1-5</p> </td> <td width="186"> <p>基频设置</p> </td> </tr> <tr> <td width="106" height="38"> <p>2/4/6/8/10</p> </td> <td width="107"> <p>NF1-5</p> </td> <td width="186"> <p>频率参考端</p> </td> </tr> <tr> <td width="106" height="38"> <p>16</p> </td> <td width="107"> <p>GND</p> </td> <td width="186"> <p>公共地</p> </td> </tr> <tr> <td width="106" height="38"> <p>15</p> </td> <td width="107"> <p>DC</p> </td> <td width="186"> <p>解耦电容</p> </td> </tr> <tr> <td width="106" height="38"> <p>14</p> </td> <td width="107"> <p>VCC</p> </td> <td width="186"> <p>电源</p> </td> </tr> <tr> <td width="106" height="38"> <p>13</p> </td> <td width="107"> <p>OUT</p> </td> <td width="186"> <p>输出端</p> </td> </tr> <tr> <td width="106" height="38"> <p>12</p> </td> <td width="107"> <p>NF</p> </td> <td width="186"> <p>总参考端</p> </td> </tr> <tr> <td width="106" height="38"> <p>11</p> </td> <td width="107"> <p>IN</p> </td> <td width="186"> <p>输入端</p> </td> </tr> </table> <p> </p> <p>Base断串联一颗电容到nf端<br>再串联一颗电容到电位器到总参考端<br>即可实现中心频率调节<img src="//image.lceda.cn/pullimage/FAUMEvzJcKGknXSF6IjVoyp8KxcpRcFn1GKs1QRa.png" alt="FAUMEvzJcKGknXSF6IjVoyp8KxcpRcFn1GKs1QRa.png"></p> <p> </p> <p>如果想实现更多段的调节，把上一级LA3600输出端接入下一级输入端，调节C1,C2调节不同的中心频率<img src="//image.lceda.cn/pullimage/XfHTcFA8KzwR9QUnZhK4K3hC73TYm7DaXRHxPD92.png" alt="XfHTcFA8KzwR9QUnZhK4K3hC73TYm7DaXRHxPD92.png"></p> <p> </p> <p>中心频率计算公式：</p> <p><img src="//image.lceda.cn/pullimage/uLMVyqaCWuB5SAjcjT2moWIi20KC4dVmhfBcGWjN.png" alt="uLMVyqaCWuB5SAjcjT2moWIi20KC4dVmhfBcGWjN.png"></p> <p> </p> <h1>5、软件部分</h1> <p>该项目无外围软件</p> <h1>6、BOM清单</h1> <p><strong>按照BOM清单</strong></p> <table width="1235"> <tr> <td width="72" height="19">ID</td> <td width="227">Name</td> <td width="72">Designator</td> <td width="72">Footprint</td> <td width="72">Quantity</td> <td width="72">Manufacturer Part</td> <td width="72">Manufacturer</td> <td width="72">Supplier</td> <td width="72">Supplier Part</td> <td width="72">Price</td> <td width="72">Pins</td> <td width="72">JLCPCB Part Class</td> <td width="72">Contributor</td> <td width="72">Description</td> <td width="72">link</td> </tr> <tr> <td align="right" height="19">1</td> <td>220nF</td> <td>C1</td> <td>C1210</td> <td align="right">1</td> <td>C1210X224K451T</td> <td>Holy Stone Enterprise</td> <td>LCSC</td> <td>C340313</td> <td align="right">1.0293</td> <td align="right">2</td> <td> </td> <td>LCSC</td> <td> </td> <td>https://item.szlcsc.com/364452.html</td> </tr> <tr> <td align="right" height="19">2</td> <td>47nF</td> <td>C2</td> <td>C1206</td> <td align="right">1</td> <td>CC1206KKX7RABB473</td> <td>YAGEO</td> <td>LCSC</td> <td>C327004</td> <td align="right">0.2205</td> <td align="right">2</td> <td> </td> <td>LCSC</td> <td> </td> <td>https://item.szlcsc.com/89171.html</td> </tr> <tr> <td align="right" height="19">3</td> <td>10nF</td> <td>C3</td> <td>C1206</td> <td align="right">1</td> <td>C1206C103K5RAC7800</td> <td>KEMET</td> <td>LCSC</td> <td>C141181</td> <td align="right">0.1385</td> <td align="right">2</td> <td>Extended Part</td> <td>LCSC</td> <td> </td> <td>https://item.szlcsc.com/89171.html</td> </tr> <tr> <td align="right" height="19">4</td> <td>470pF</td> <td>C4</td> <td>C1206</td> <td align="right">1</td> <td>CC1206KRX7RYBB471</td> <td>YAGEO</td> <td>LCSC</td> <td>C107212</td> <td align="right">0.1117</td> <td align="right">2</td> <td>Extended Part</td> <td>layout</td> <td> </td> <td>https://item.szlcsc.com/89171.html</td> </tr> <tr> <td align="right" height="19">5</td> <td>10nF</td> <td>C5</td> <td>C1206</td> <td align="right">1</td> <td>1206B103K102NT</td> <td>FH</td> <td>LCSC</td> <td>C9194</td> <td align="right">0.1076</td> <td align="right">2</td> <td>Extended Part</td> <td>layout</td> <td> </td> <td>https://item.szlcsc.com/89171.html</td> </tr> <tr> <td align="right" height="19">6</td> <td>100nF</td> <td>C6</td> <td>C1206</td> <td align="right">1</td> <td>1206B104K101</td> <td>WTC</td> <td>LCSC</td> <td>C77502</td> <td align="right">0.1559</td> <td align="right">2</td> <td> </td> <td>layout</td> <td> </td> <td>https://item.szlcsc.com/89171.html</td> </tr> <tr> <td align="right" height="19">7</td> <td>47nF</td> <td>C7</td> <td>C1206</td> <td align="right">1</td> <td>CC1206KRX7R9BB473</td> <td>YAGEO</td> <td>LCSC</td> <td>C107209</td> <td align="right">0.2785</td> <td align="right">2</td> <td>Extended Part</td> <td>layout</td> <td> </td> <td>https://item.szlcsc.com/89171.html</td> </tr> <tr> <td align="right" height="19">8</td> <td>33nF</td> <td>C8</td> <td>C1206</td> <td align="right">1</td> <td>CC1206JRX7R0BB333</td> <td>YAGEO</td> <td>LCSC</td> <td>C527315</td> <td align="right">0.3092</td> <td align="right">2</td> <td> </td> <td>LCSC</td> <td> </td> <td>https://item.szlcsc.com/89171.html</td> </tr> <tr> <td align="right" height="19">9</td> <td>22nF</td> <td>C9</td> <td>C1206</td> <td align="right">1</td> <td>1206B223K500CT</td> <td>Huaxin S&T</td> <td>LCSC</td> <td>C296114</td> <td align="right">0.1387</td> <td align="right">2</td> <td> </td> <td>LCSC</td> <td> </td> <td>https://item.szlcsc.com/89171.html</td> </tr> <tr> <td align="right" height="19">10</td> <td>220pF</td> <td>C10</td> <td>C1206</td> <td align="right">1</td> <td>1206N221J101CT</td> <td>Walsin Tech Corp</td> <td>LCSC</td> <td>C396803</td> <td align="right">0.1744</td> <td align="right">2</td> <td> </td> <td>LCSC</td> <td> </td> <td>https://item.szlcsc.com/89171.html</td> </tr> <tr> <td align="right" height="19">11</td> <td>12Vin</td> <td>DC1</td> <td>DC-IN-TH_DC-470-2.1GP</td> <td align="right">1</td> <td>DC-470-2.1GP</td> <td>GANGYUAN</td> <td>LCSC</td> <td>C194407</td> <td align="right">0.4</td> <td align="right">3</td> <td>Extended Part</td> <td>LCSC</td> <td> </td> <td>https://so.szlcsc.com/global.html?c=&k=C194407</td> </tr> <tr> <td align="right" height="19">12</td> <td>47uF</td> <td>C17</td> <td>CAP-TH_BD6.3-P2.50-D1.0-FD</td> <td align="right">1</td> <td>47uF 50V 6.3*11</td> <td>ValuePro</td> <td>LCSC</td> <td>C45101</td> <td align="right">0.1078</td> <td align="right">2</td> <td>Extended Part</td> <td colspan="2">官方封装库</td> <td>https://item.szlcsc.com/44807.html</td> </tr> <tr> <td align="right" height="19">13</td> <td>22uF</td> <td>C18</td> <td>CAP-TH_BD5.0-P2.00-D0.8-FD</td> <td align="right">1</td> <td>22uF 50V 5*11</td> <td>ValuePro</td> <td>LCSC</td> <td>C43346</td> <td align="right">0.0736</td> <td align="right">2</td> <td>Extended Part</td> <td colspan="2">官方封装库</td> <td>https://item.szlcsc.com/44805.html</td> </tr> <tr> <td align="right" height="19">14</td> <td>3.3uF</td> <td>C19,C21</td> <td>CAP-TH_BD6.3-P2.50-D1.0-FD</td> <td align="right">2</td> <td>47uF 50V 6.3*11</td> <td>ValuePro</td> <td>LCSC</td> <td>C45101</td> <td align="right">0.1078</td> <td align="right">2</td> <td>Extended Part</td> <td colspan="2">官方封装库</td> <td>https://item.szlcsc.com/44807.html</td> </tr> <tr> <td align="right" height="19">15</td> <td align="right">1000</td> <td>C20</td> <td>CAP-TH_L8.0-W4.0-P5.00-D0.7</td> <td align="right">1</td> <td>R08B1B102KN0B0S0N0</td> <td>Songtian Elec</td> <td>LCSC</td> <td>C249166</td> <td align="right">0.1964</td> <td align="right">2</td> <td>Extended Part</td> <td>LCSC</td> <td> </td> <td>https://item.szlcsc.com/265363.html</td> </tr> <tr> <td align="right" height="19">16</td> <td>Input</td> <td>CN2</td> <td>AUDIO-TH_PJ-3136-B</td> <td align="right">1</td> <td>PJ-3136-B</td> <td>XKB Enterprise</td> <td>LCSC</td> <td>C381131</td> <td align="right">0.5242</td> <td align="right">6</td> <td>Extended Part</td> <td colspan="2">立创EDA官方封装库</td> <td> </td> </tr> <tr> <td align="right" height="19">17</td> <td>排针排母1*10P</td> <td>H2</td> <td>排针排母10P</td> <td align="right">1</td> <td>-</td> <td>Shenzhen Cankemeng</td> <td>LCSC</td> <td>C35445</td> <td align="right">0.8744</td> <td align="right">10</td> <td> </td> <td colspan="2">PQG2030PQG</td> <td> </td> </tr> <tr> <td align="right" height="19">18</td> <td>110Hz</td> <td>R20</td> <td>RES-ADJ-TH_RK09L1140A5P</td> <td align="right">1</td> <td>RK09L1140A5P</td> <td>ALPSALPINE(阿尔卑斯阿尔派)</td> <td>LCSC</td> <td>C124974</td> <td align="right">7.64</td> <td align="right">5</td> <td> </td> <td colspan="2">立创EDA官方封装库</td> <td>https://item.szlcsc.com/231612.html</td> </tr> <tr> <td align="right" height="19">19</td> <td>375Hz</td> <td>R21</td> <td>RES-ADJ-TH_RK09L1140A5P</td> <td align="right">1</td> <td>RK09L1140A5P</td> <td>ALPSALPINE(阿尔卑斯阿尔派)</td> <td>LCSC</td> <td>C124974</td> <td align="right">7.64</td> <td align="right">5</td> <td> </td> <td colspan="2">立创EDA官方封装库</td> <td>https://item.szlcsc.com/231612.html</td> </tr> <tr> <td align="right" height="19">20</td> <td>969Hz</td> <td>R22</td> <td>RES-ADJ-TH_RK09L1140A5P</td> <td align="right">1</td> <td>RK09L1140A5P</td> <td>ALPSALPINE(阿尔卑斯阿尔派)</td> <td>LCSC</td> <td>C124974</td> <td align="right">7.64</td> <td align="right">5</td> <td> </td> <td colspan="2">立创EDA官方封装库</td> <td>https://item.szlcsc.com/231612.html</td> </tr> <tr> <td align="right" height="19">21</td> <td>5480Hz</td> <td>R23</td> <td>RES-ADJ-TH_RK09L1140A5P</td> <td align="right">1</td> <td>RK09L1140A5P</td> <td>ALPSALPINE(阿尔卑斯阿尔派)</td> <td>LCSC</td> <td>C124974</td> <td align="right">7.64</td> <td align="right">5</td> <td> </td> <td colspan="2">立创EDA官方封装库</td> <td>https://item.szlcsc.com/231612.html</td> </tr> <tr> <td align="right" height="19">22</td> <td>11878Hz</td> <td>R24</td> <td>RES-ADJ-TH_RK09L1140A5P</td> <td align="right">1</td> <td>RK09L1140A5P</td> <td>ALPSALPINE(阿尔卑斯阿尔派)</td> <td>LCSC</td> <td>C124974</td> <td align="right">7.64</td> <td align="right">5</td> <td> </td> <td colspan="2">立创EDA官方封装库</td> <td><a href="https://item.szlcsc.com/231612.html" target="_blank">https://item.szlcsc.com/231612.html</a></td> </tr> <tr> <td align="right" height="19">23</td> <td align="right">180</td> <td>R25</td> <td>RES-TH_BD2.5-L6.5-P10.50-D0.6</td> <td align="right">1</td> <td>MFR0W4F1800A50</td> <td>UniOhm</td> <td>LCSC</td> <td>C58665</td> <td align="right">0.0559</td> <td align="right">2</td> <td>Extended Part</td> <td colspan="2">立创EDA官方封装库</td> <td>https://item.szlcsc.com/204066.html</td> </tr> <tr> <td align="right" height="19">24</td> <td>10K</td> <td>R26</td> <td>RES-TH_BD2.5-L6.5-P10.50-D0.6</td> <td align="right">1</td> <td>MFR0W4F1002A50</td> <td>UniOhm</td> <td>LCSC</td> <td>C57436</td> <td align="right">0.0538</td> <td align="right">2</td> <td>Extended Part</td> <td colspan="2">立创EDA官方封装库</td> <td>https://item.szlcsc.com/204066.html</td> </tr> <tr> <td align="right" height="19">25</td> <td>4.7K</td> <td>R27</td> <td>RES-TH_BD2.5-L6.5-P10.50-D0.6</td> <td align="right">1</td> <td>MFR0W4F1002A50</td> <td>UniOhm</td> <td>LCSC</td> <td>C57436</td> <td align="right">0.0538</td> <td align="right">2</td> <td>Extended Part</td> <td colspan="2">立创EDA官方封装库</td> <td>https://item.szlcsc.com/204066.html</td> </tr> <tr> <td align="right" height="19">26</td> <td>LA3600</td> <td>U5</td> <td>DIP16</td> <td align="right">1</td> <td>LA3600</td> <td> </td> <td> </td> <td> </td> <td> </td> <td align="right">16</td> <td> </td> <td>Varadha_Eda</td> <td colspan="2">5Band Graphic Eq</td> </tr> <tr> <td align="right" height="19">27</td> <td>输入通道</td> <td>SW1</td> <td>KEY-TH_4P-L6.0-W6.2-P2.54-LS7.62-BL</td> <td align="right">1</td> <td>KF1027A-02P-LG-ON-01B</td> <td>凯峰</td> <td>LCSC</td> <td>C976334</td> <td align="right">1.487</td> <td align="right">4</td> <td> </td> <td>LCSC</td> <td> </td> <td>https://atta.szlcsc.com/upload/public/pdf/source/20201230/C976343_CACF45B35FFD28514ED564B10108BF0E.pdf</td> </tr> <tr> <td align="right" height="19">28</td> <td>输出通道</td> <td>SW2</td> <td>KEY-TH_4P-L6.0-W6.2-P2.54-LS7.62-BL</td> <td align="right">1</td> <td>KF1027A-02P-LG-ON-01B</td> <td>凯峰</td> <td>LCSC</td> <td>C976334</td> <td align="right">1.487</td> <td align="right">4</td> <td> </td> <td>LCSC</td> <td> </td> <td>https://atta.szlcsc.com/upload/public/pdf/source/20201230/C976343_CACF45B35FFD28514ED564B10108BF0E.pdf</td> </tr> <tr> <td align="right" height="19">29</td> <td>PJ-3136-B</td> <td>CN3</td> <td>AUDIO-TH_PJ-3136-B</td> <td align="right">1</td> <td>PJ-3136-B</td> <td>XKB Enterprise</td> <td>LCSC</td> <td>C381131</td> <td align="right">0.5242</td> <td align="right">6</td> <td>Extended Part</td> <td>LCSC</td> <td> </td> <td> </td> </tr> </table> <p> </p> <h1>7、大赛LOGO验证</h1> <p>正面背面均有立创商城的logo：</p> <p><img src="//image.lceda.cn/pullimage/KRP4AMD9Qtnyxy27aiLPxaDBu6XJrCfYCy7Ywl9p.jpeg" alt="" width="1200" height="1200"></p> <h1>8、演示您的项目并录制成视频上传</h1> <p>见附件以及：<a href="https://www.bilibili.com/video/BV1sh411B7hX/" target="_blank">【演示视频】5 断 菌 衡 气 + 阴 响_哔哩哔哩_bilibili</a></p>