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type="text/css"></style> <div id="ct" class="ct2 wp cl"> <div class="mn"> <div class="bm_haa cl"> <div class="bm_h cl"> <a href="http://www.oecr.com/portal.php?mod=rss&catid=61" class="y xi2 rss" target="_blank" title="RSS">订阅</a><h1 class="xs2">文章</h1> </div></div> <div class="kjkjb"> <div class="bm vw" style="margin-bottom:0;"> <div class="h hm"> <div class="zxtoux"><img src="http://www.oecr.com/uc_server/avatar.php?uid=54876&size=small" /></div> <h1 class="ph">电子电路中的电容原来有这么多作用 </h1> <p class="xg1"> 时间：2016-12-27 10:22<a class="zz" href="home.php?mod=space&uid=54876">作者：update</a> 阅读<em id="_viewnum">(2445)</em> 评论: <a href="http://www.oecr.com/portal.php?mod=comment&id=5190&idtype=aid" title="查看全部评论"><em id="_commentnum">5</em></a></p> <div class="zxfb" ><a href="http://www.oecr.com/portal.php?mod=rss&catid=61" class="y xi2 rss" target="_blank" title="RSS">订阅</a></div> </div> <!--[diy=diysummarytop]--><div id="diysummarytop" class="area"></div><!--[/diy]--> <div class="s"> <div class="ss"><div><span>导读： </span>电容到底在电路中起到什么作用？电容是电子设计中最常用的元器件之一，请看看这篇文章吧。</div> </div> <!--[diy=diysummarybottom]--><div id="diysummarybottom" class="area"></div><!--[/diy]--> <div class="d"> <!--[diy=diycontenttop]--><div id="diycontenttop" class="area"></div><!--[/diy]--> <table cellpadding="0" cellspacing="0" class="vwtb"><tr><td id="article_content"><div> <span style="line-height: 1.8em;"><a href="http://electronic.oecr.com" target="_blank" class="relatedlink">电子</a><a href="http://electronic.oecr.com" target="_blank" class="relatedlink">电路</a>中的电容到底有什么用？相信对于电子电路有兴趣的朋友们一定想知道吧，今天光电工程师<a href="http://club.oecr.com" target="_blank" class="relatedlink">社区</a>小编为大家分享一下相关的知识吧。</span></div><div><span style="line-height: 1.8em;"><br></span></div><div><p style="text-align: center;"><a href="data/attachment/portal/201612/27/102020b7edttjj7wtkywdy.jpg" target="_blank"><img src="data/attachment/portal/201612/27/102020b7edttjj7wtkywdy.jpg"></a></p></div><div><br></div><div> 1. 旁路电容</div><div><br></div><div> 用于旁路电路中的电容叫做旁路电容，用于向本地器件提供能量，使稳压器输出均匀化，降低负载的需求，尽量减少阻抗，滤除输入信号的干扰。</div><div><br></div><div> 2. 去耦电容</div><div><br></div><div> 用于去耦电路中的电容叫做去耦电容，多用于多级放大器的直流电压供给电路中，以消除每级放大器间的耦合干扰，滤除输出信号的干扰。</div><div><br></div><div> 3. 中和</div><div><br></div><div> 用于中和电路中的电容叫做中和电容，多用于收音机中高频放大器、电视机高频放大器中，以消除自激振荡现象。</div><div><br></div><div> 4. 耦合</div><div><br></div><div> 用于耦合电路中的电容叫做耦合电容，多用于低频信号的传递与放大过程，以防止前后两级电路的静态工作点相互影响，起到的是隔直流通交流的作用</div><div><br></div><div> 5. 定时</div><div><br></div><div> 用于定时电路中的电容叫做定时电容，用于控制时间常数的大小，从而实现对电容充放电时间的控制。</div><div><br></div><div> 6. 滤波</div><div><br></div><div> 用于滤波电路中的电容叫做滤波电容，多用于各类滤波器中，以去除一定频段内的信号。</div><div><br></div><div> 7. 高频消振</div><div><br></div><div> 用于高频消振电路中的电容叫做高频消振电容，多用于音频负反馈放大器中，以消除放大器可能出现的高频啸叫现象。</div><div><br></div><div> 8. 补偿</div><div><br></div><div> 用于补偿电路中的电容叫做补偿电容，多用于卡座的高低音补偿电路中，以提升放音信号中的高低频信号。</div><div><br></div><div> 9. 积分</div><div><br></div><div> 用于积分电路中的电容叫做积分电容，多用于电势场扫描的同步分离电路中，以从场复合同步信号中分离出场同步信号。</div><div><br></div><div> 10. 微分</div><div><br></div><div> 用于微分电路中的电容叫做微分电容，多用于触发器电路中，以从各类信号中得到尖顶触发信号。</div><div><br></div><div> 11. 自举</div><div><br></div><div> 用于自举电路中的电容叫做自举电容，多用于OTL功率放大器的输出级电路中，以通过正反馈的方式少量提升信号的正半周幅度。</div><div><br></div><div> 12. 分频</div><div><br></div><div> 用于分频电路中的电容叫做分频电容，多用于音响的扬声器分频电路中，以使得各频段扬声器工作在各自相应频段。</div><div><br></div><div> 以上就是为大家分享的电子电路中的电容原来有这么多作用。请喜欢的朋友们看看吧。</div><div><br></div><div><p style="text-align: center;"><a href="data/attachment/portal/201612/27/102157b2hkhaqxvv50lazq.jpg" target="_blank"><img src="data/attachment/portal/201612/27/102157b2hkhaqxvv50lazq.jpg"></a></p><p style="text-align: center;"><br></p><p style="text-align: center;"><span style="line-height: 25.2px;">欢迎关注光电<a href="http://news.oecr.com" target="_blank" class="relatedlink">资讯</a>微信公众号，每天将由光电工程师社区网站(oecr.com)编辑团队为您精选行业动态，科技资讯，技术解析，光电<a href="http://www.oecr.com/portal.php?mod=list&catid=62" target="_blank" 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class="xg1 xw0">2016-12-27 20:38</span> </dt> <dd>顶起出售广告位</dd> </dl><a name="comment_anchor_10143"></a> <dl id="comment_10143_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(10143, '5190');">引用</a> </span> <a href="http://club.oecr.com/space-uid-81489.html" class="xi2 xw1" c="1">Gause</a> <span class="xg1 xw0">2016-12-27 19:08</span> </dt> <dd>来这里好多年了。</dd> </dl><a name="comment_anchor_10135"></a> <dl id="comment_10135_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(10135, '5190');">引用</a> </span> <a href="http://club.oecr.com/space-uid-88694.html" class="xi2 xw1" c="1">ld6886</a> <span class="xg1 xw0">2016-12-27 16:08</span> </dt> <dd>看得懂，挺好。</dd> </dl><a name="comment_anchor_10127"></a> <dl id="comment_10127_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" 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