ï»?!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7" />
<meta name="keywords" content="高频å˜åŽ‹å™?开关电æºå˜åŽ‹å™¨,电感线圈生产厂家,深圳晨飞电å" />
<meta name="description" content="晨飞电å,UL认è¯ä¼ä¸šã€?å¹´æ¥ä¸“注于生产高å“质高频å˜åŽ‹å™¨ã€ç”µæ„Ÿçº¿åœˆã€æ»¤æ³¢å™¨ç‰ç£æ€§å…ƒä»¶ã€‚产å“è´¨é‡é€šè¿‡æ¬§ç›Ÿè®¤è¯,80%产å“出å£æ¬§ç¾Žã€‚æœåŠ¡çƒçº¿ï¼š4000-160-260" />
<meta name="author" content="Developed By Master Li(masterlijf#hotmail.com), Oran Day(oransite#gmail.com), 深圳市牛商网络有é™å…¬å?http://www.nsw88.com)" />
<title>我们æ¥åˆ†æžä¸€ä¸‹é«˜é¢‘å˜åŽ‹å™¨çš„电路设计|晨飞资讯|深圳市晨飞电å有é™å…¬å?/title>
<link href="/Css/reset.css" rel="stylesheet" type="text/css" />
<link href="/Skins/default/Common.css" rel="stylesheet" type="text/css" />
<link href="/Skins/default/Style.css" rel="stylesheet" type="text/css" />
<link href="/Skins/default/temp.css" rel="stylesheet" type="text/css" />
<script type="text/javascript">var SKIN_PATH = "/Skins/default/";</script>
<script type="text/javascript" src="/JS/JQuery.js"></script>
<script type="text/javascript" src="/JS/Common.js"></script>
<script type="text/javascript" src="/JS/Ajax.js"></script>
<script type="text/javascript" src="/JS/Inc.js"></script>
</head>
<body>
<!--topbar:start-->
<div class="header">
<div class="top">
<div class="login">
<span id="commonHeaderGuest">用户å：<input name="" type="text" class="k1" id="txtLoginUsername" />密ç ï¼?input name=""
type="password" class="k1" id="txtPassword" /><input name="" type="image" src="/Skins/Default/Img/Common/btn1.gif"
onclick="LoginCheck($tv('txtLoginUsername'),$tv('txtPassword'))" /><a href="/user/Register.aspx">注册</a></span>
<span id="commonHeaderUser" style="display: none; padding-left: 150px;">欢迎您：[<a href="/user/"><b
id="commonHeaderUsername" style="color: red"></b></a>] | <a href="/user/login.aspx?action=logout">
退�/a>|</span>
|<a
href="javascript:addBookmark()">收è—本站</a>|<a href="/help/">帮助ä¸å¿ƒ</a>|<a href="/Helps/faq.html">FAQ</a></div>
<div class="logo fl">
<a href="/">
<img src="/UploadFiles/Others/20120424174241_35064.gif" alt="深圳市晨飞电å有é™å…¬å? title="深圳市晨飞电å有é™å…¬å? /></a></div>
<div class="tel fr fw">
çƒçº¿ç”µè¯ï¼?br />
4000-160-260
<br />
0755-28372867</div>
</div>
<div class="clear">
</div>
<div class="menu">
<ul>
<li><a href="/">晨飞首页</a></li>
<li><a href="/product/product-0001,0016.shtml">电感线圈</a> </li>
<li><a href="/product/product-0001,0015.shtml">高频å˜åŽ‹å™?/a></li>
<li><a href="/product/">晨飞产å“ä¸å¿ƒ </a></li>
<li><a href="/Helps/OEMjiagongfuwu.html">晨飞æœåŠ¡æµç¨‹</a></li>
<li><a href="/Helps/aboutus.html">关于晨飞</a></li>
<li><a href="/news/news-0001,0002,0008.shtml">晨飞资质è£èª‰</a></li>
<li><a href="/news/news-0001,0002,0007.shtml">晨飞客户è§è¯</a></li>
<li><a href="/news/news-0001,0002,0010.shtml">æˆåŠŸæ¡ˆä¾‹</a></li>
<li><a href="/news/news-0001,0002,0016.shtml">技术支�/a></li>
<li><a href="/news/">晨飞资讯</a></li>
<li class="nones"><a href="/Helps/ContactUs.html">è”系晨飞</a></li>
</ul>
</div>
<div class="clear">
</div>
<div class="search">
<div class="ss1">
<input type="text" class="k2" value="请输入关键è¯" id="seachkeywords" onclick="this.value=''"
onfocus="this.select()" /><select name="menu1" id="selectType">
<option value=''>选择分类</option><option value='0001,0002'>├电感器</option><option value='0001,0002,0009'>　├工å—电æ„?/option><option value='0001,0002,0011'>　├色环电æ„?/option><option value='0001,0002,0054'>　├贴片功率电æ„?/option><option value='0001,0002,0055'>　└ç£ç?/option><option value='0001,0004'>├滤波器/共模电感</option><option value='0001,0004,0023'>　├UU型滤波器/UU型共模电æ„?/option><option value='0001,0004,0050'>　├ET型滤波器/ET型共模电æ„?/option><option value='0001,0004,0052'>　├EMC滤波å™?/option><option value='0001,0004,0065'>　└UT型滤波器/UT型共模电æ„?/option><option value='0001,0015'>├高频å˜åŽ‹å™¨/开关电æºå˜åŽ‹å™¨</option><option value='0001,0015,0029'>　├EE型高频å˜åŽ‹å™¨ç³»åˆ—</option><option value='0001,0015,0030'>　├EI型高频å˜åŽ‹å™¨ç³»åˆ—</option><option value='0001,0015,0032'>　├EF型高频å˜åŽ‹å™¨ç³»åˆ—</option><option value='0001,0015,0034'>　├ETD型高频å˜åŽ‹å™¨ç³»åˆ—</option><option value='0001,0015,0035'>　├PQ型高频å˜åŽ‹å™¨ç³»åˆ—</option><option value='0001,0015,0036'>　├EFD型高频å˜åŽ‹å™¨ç³»åˆ—</option><option value='0001,0015,0037'>　├RM型高频å˜åŽ‹å™¨ç³»åˆ—</option><option value='0001,0015,0038'>　├EP型高频å˜åŽ‹å™¨ç³»åˆ—</option><option value='0001,0015,0041'>　├SMD型高频å˜åŽ‹å™¨ç³»åˆ—</option><option value='0001,0015,0045'>　├EPC型高频å˜åŽ‹å™¨ç³»åˆ—</option><option value='0001,0015,0046'>　├ER型高频å˜åŽ‹å™¨ç³»åˆ—</option><option value='0001,0015,0056'>　├EDR型高频å˜åŽ‹å™¨ç³»åˆ—</option><option value='0001,0015,0058'>　├EEL型高频å˜åŽ‹å™¨ç³»åˆ—</option><option value='0001,0015,0059'>　├ERL型高频å˜åŽ‹å™¨ç³»åˆ—</option><option value='0001,0015,0067'>　├EC型高频å˜åŽ‹å™¨ç³»åˆ—</option><option value='0001,0015,0069'>　└ATQ型高频å˜åŽ‹å™¨</option><option value='0001,0016'>â””ç£çŽ¯çº¿åœ?/option><option value='0001,0016,0018'>　├ç£çŽ¯çº¿åœ?/option><option value='0001,0016,0053'>　├空心线åœ?/option><option value='0001,0016,0068'>　└ç£æ£?/option>
</select>
<input name="" type="image" src="/Skins/Default/Img/Common/btn2.gif" onclick="SearchProduct()" />
</div>
<div class="ss2">
çƒé—¨å…³é”®è¯ï¼š
</div>
</div>
<!---->
</div>
<div class="clear">
</div>
<!--header:end-->
<script type="text/javascript">
initCommonHeader();
</script>
<script type="text/javascript">
var OBJ_TITLE = "我们æ¥åˆ†æžä¸€ä¸‹é«˜é¢‘å˜åŽ‹å™¨çš„电路设è®?;
var OBJ_ID = "284";
var MARK = "news";
var ARR_AD_MARK = ["news_detail_1", "news_detail_2", "news_detail_3"];
var SID = "0001,0002,0006";
//æƒé™ID
var AUTHORITY_ID = "";
</script>
<script src="/JS/Cls_jsPage.js"></script>
<!--content:start-->
<div class="content">
<div class="plc2">
当å‰ä½ç½®ï¼?a href="/">首页</a> » <a href="/news/">资讯ä¸å¿ƒ</a> » <a href="/News/News-0001,0002,0006.shtml">
晨飞资讯</a> » <a href="/Article/womenlaifenxiyixiaga_1.html">我们æ¥åˆ†æžä¸€ä¸‹é«˜é¢‘å˜åŽ‹å™¨çš„电路设è®?/a></div>
<div class="list4nr">
<div class="n_info_con" id="printableview">
<h3>
我们æ¥åˆ†æžä¸€ä¸‹é«˜é¢‘å˜åŽ‹å™¨çš„电路设è®?/h3>
<div class="info_con_tit">
<div class="info_con_tit">
<div class="n_tit">
<span>æ–‡ç« å‡ºå¤„ï¼?a href=""><a href="http://cfdz.nsw888.com">深圳市晨飞电å有é™å…¬å?/a></a></span><span>网责任编辑：<a href="http://cfdz.nsw888.com">NSW</a></span><span>作者：<a href="http://cfdz.nsw888.com">NSW</a></span><span>人气ï¼?span
id="cntrHits">-</span></span><span>å‘表时间ï¼?014-02-11 14:52:00</span>
<div class="newchang">
<!-- JiaThis Button BEGIN -->
<div id="ckepop">
<a href="http://www.jiathis.com/share/?uid=899792" class="jiathis jiathis_txt jtico jtico_jiathis"
target="_blank">分享到：</a> <a class="jiathis_button_qzone">QQ空间</a> <a class="jiathis_button_tsina">
新浪微åš</a> <a class="jiathis_button_tqq">腾讯微åš</a> <a class="jiathis_button_tsohu">æœç‹å¾®åš</a>
<a class="jiathis_button_t163">网易微åš</a> <a class="jiathis_button_tools_1"></a><a
class="jiathis_button_tools_2"></a>
</div>
<script type="text/javascript"> var jiathis_config = { "data_track_clickback": true };</script>
<script type="text/javascript" src="http://v2.jiathis.com/code/jia.js?uid=899792"
charset="utf-8"></script>
<!-- JiaThis Button END -->
</div>
</div>
</div>
</div>
<div id="cntrBody">
<p>压电陶瓷<strong><a href="http://www.chenfeipower.com/">高频å˜åŽ‹å™?/a></strong>开关电æºçš„ç”µè·¯è®¾è®¡ï¼šåœ¨é€‰ç”¨ä¼ ç»Ÿç”µç£å˜åŽ‹å™¨çš„开关电æºç”µè·¯è®¾è®¡ä¸ï¼Œé€šå¸¸æ˜¯æ ¹æ®å®ƒä¼ 输的功率ã€ç”µæºè¾“入特点ã€è¾“出特点，是å¦è¦æ±‚输入输出隔离ç‰ç‰è¦æ±‚æ¥é€‰æ‹©å·¥ä½œç”µè·¯çš„拓扑结构，å†æ ¹æ®é€‰ç”¨çš„电路结构，输出功率ç‰è¦æ±‚设计电ç£å˜åŽ‹å™¨ï¼Œç¡®å®šç£èŠ¯ã€ç»•ç»„组数ã€çº¿åœˆçº¿å¾„å’ŒåŒæ•°ç‰å„项å‚æ•°ã€‚å› æ¤åœ¨è®¾è®¡ç”µè·¯å‚数时，基本没把电ç£å˜åŽ‹å™¨å‚数考虑进去，åªæ˜¯åœ¨ç”µæºç”µè·¯ç¡®å®šåŽæ‰è€ƒè™‘å˜åŽ‹å™¨è®¾è®¡ã€‚压电å˜åŽ‹å™¨ç”µæºçš„电路设计需è¦æŠŠåŽ‹ç”µé™¶ç“·å˜åŽ‹å™¨ä½œä¸ºå½±å“电路是å¦æ£å¸¸å·¥ä½œçš„一个é‡è¦å› ç´ ï¼Œå³åœ¨ç”µè·¯ç»“构选择，电路å‚数确定，控制方å¼ç‰æ–¹é¢ï¼Œéƒ½éœ€è¦è€ƒè™‘压电陶瓷å˜åŽ‹å™¨çš„作用。压电陶瓷高频å˜åŽ‹å™¨çš„激励信å·é¢‘率和负载对压电陶瓷å˜åŽ‹å™¨çš„转æ¢æ•ˆçŽ‡å½±å“å¾ˆå¤§ã€‚æ ¹æ®åŽ‹ç”µå˜åŽ‹å™¨çš„ç‰æ•ˆç”µè·¯ï¼Œå½“压电å˜åŽ‹å™¨å¤„于è°æŒ¯çŠ¶æ€æ—¶ï¼Œä»Žè¾“å…¥ç«¯çœ‹è¿›åŽ»ï¼Œç›¸å½“äºŽä¸€ä¸ªå®¹æ€§è´Ÿè½½ã€‚å› æ¤éœ€è¦ä¸€ä¸ªè¾“入匹é…电路æ¥å‡å°æµå…¥åŽ‹ç”µé™¶ç“·å˜åŽ‹å™¨çš„电æµï¼Œæˆ–者说æ¥è¡¥å¿å®¹æ€§é˜»æŠ—。输入匹é…电路的设计主è¦ç”±åŽ‹ç”µé™¶ç“·å˜åŽ‹å™¨çš„输入阻抗和开关å˜æ¢ç”µè·¯çš„输出阻抗决定。基于压电陶瓷å˜åŽ‹å™¨å¼€å…³ç”µæºçš„ä¸»ç”µè·¯ç»“æž„ä¸Žä¼ ç»Ÿç”µç£å¼€å…³ç”µæºçš„ä¸»ç”µè·¯ç»“æž„ä¸€æ ·ï¼Œä»ç„¶æœ‰å›žæ‰«é€†å˜ç”µè·¯ã€æŽ¨æŒ½é€†å˜ç”µè·¯ã€å…¨æ¡¥é€†å˜ç”µè·¯ï¼ŒåŠæ¡¥é€†å˜ç”µè·¯å‡ ç§æ‹“扑结构。推挽逆å˜ç”µè·¯éœ€è¦å¤§ç”µæ„Ÿæ¥å®Œæˆå……电和放电，对采用压陶瓷å˜åŽ‹å™¨ä½¿å°åž‹åŒ–电æºçš„优势ä¸å†å˜åœ¨ã€?/p>
<p>　　全桥逆å˜ç”µè·¯ä½¿ç”¨å¼€å…³å…ƒä»¶å¤šï¼Œè€Œå¯¹äºŽåŽ‹ç”µé™¶ç“·å˜åŽ‹å™¨åŠæ¡¥é€†å˜ç”µè·¯ï¼Œå…¶ä¸»ç”µè·¯ç»“æž„æœ‰å‡ ç§æ–¹å¼ã€‚借助压电陶瓷å˜åŽ‹å™¨æ‰èƒ½å®Œæˆé›¶ç”µåŽ‹å¼€å…?æ¯ä¸ªå¼€å…³å‘¨æœŸï¼Œè°æŒ¯èƒ½é‡ä¼šåœ¨è°æŒ¯çŽ¯ä¸æµåŠ¨ï¼Œæœ€ç»ˆå›žé€åˆ°è¾“入当ä¸åŽ»ã€‚这些é€å›žåŽ»çš„能é‡è¶Šå¤šï¼ŒåŠå¯¼ä½“开关器件承å—的应力就越大，在电路ä¸æŸå¤±çš„能é‡ä¹Ÿè¶Šå¤š;串è”电感，与å˜åŽ‹å™¨çš„é™æ€ç”µå®¹ä¸€èµ·ï¼Œå¯ä»¥ä¿è¯åŽ‹ç”µå˜åŽ‹å™¨å·¥ä½œåœ¨è¾ƒå¥½çš„状æ€ï¼Œä½†åœ¨è®¾è®¡ä¸Šå˜åœ¨ä¸€å®šé™åˆ¶ã€‚在实际应用过程ä¸ï¼ŒåŽ‹ç”µé™¶ç“·å˜åŽ‹å™¨çš„温度会å‘生å˜åŒ–，且所带的负载也éšæ—¶åœ¨å˜åŒ–ï¼Œè¿™ä¸¤ä¸ªå› ç´ ä¼šå¼•èµ·åŽ‹ç”µé™¶ç“·å˜åŽ‹å™¨çš„è°æŒ¯é¢‘率å‘生å˜åŒ–。如果电æºç”µè·¯è¾“出固定频率的激励信å·ï¼Œä¸èƒ½è·Ÿè¸ªåŽ‹ç”µé™¶ç“·å˜åŽ‹å™¨çš„è°æŒ¯é¢‘率，那么压电陶瓷å˜åŽ‹å™¨è°æŒ¯é¢‘率å˜åŒ–时，其转æ¢æ•ˆçŽ‡å› ä¸èƒ½å·¥ä½œåœ¨è°æŒ¯çŠ¶æ€ä¸‹å¤§å¤§é™ä½Žï¼Œç”šè‡³ä¸å·¥ä½œã€‚å› æ¤è¦æ±‚主电路的输出频率能跟踪压电陶瓷å˜åŽ‹å™¨çš„è°æŒ¯é¢‘率。在实际的应用过程当ä¸ä¸ï¼Œå¦‚果说电压调节范围比较大，虽然å¯é€šè¿‡PFM调节方法实现，但这ç§æ–¹æ³•ä¸ä»…调节范围窄，而且影å“压电冉瓷å˜åŽ‹å™¨çš„最佳的工作状æ€ã€‚å› æ¤åœ¨è¦æ±‚调节范围大的应用场åˆå¯é€šè¿‡PWM与PFMæ¥å…±åŒå®Œæˆã€?/p>
</div>
<div class="apage" id="showfenye">
<!--资讯分页:start-->
<script type="text/javascript">
var pagecont=1;
if(pagecont > 2)
{
var ss = new Cls_jsPage(1, 1, 5, "ss");
ss.setPageSE("womenlaifenxiyixiaga_", ".html");
ss.setPageInput("Page");
ss.setUrl("");
ss.setPageFrist("<a disabled='true'class='ob'>首页</a>", "首页");
ss.setPagePrev("<a disabled='true'class='ob'>上一�/a>", "上一�);
ss.setPageNext("<a disabled='true'class='ob'>下一�/a>", "下一�);
ss.setPageLast("<a disabled='true'class='ob'>尾页</a>", "尾页");
ss.setPageText("{$PageNum}", "{$PageNum}");
ss.setPageTextF("{$PageTextF}", "{$PageTextF}");
ss.setPageSelect("{$PageNum}", "{$PageNum}");
ss.setPageCss("o", "", "");
ss.setHtml("<div class='o'>{$PageFrist}{$PagePrev}{$PageText}{$PageNext}{$PageLast}</div>");
ss.Write();
}
else
{
document.getElementById("showfenye").style.display="none";
}
</script>
<!--资讯分页:end-->
</div>
<div class="gduo">
<span>下一篇：<a disabled="true" href="/Article/tantangaopinbianyaqi_1.html">谈谈高频å˜åŽ‹å™¨çš„工作原ç†</a></span>上一篇：<a disabled="true"
href="/Article/gaopinbianyaqishiyon_1.html"> 高频å˜åŽ‹å™¨ä½¿ç”¨çš„å‡ ç‚¹ç¦å¿Œ</a></div>
</div>
<div class="info_key">
<span>æ¤æ–‡å…³é”®å—：</span><a target='_blank' href="/Search/index.aspx?1=1&kwd=%e9%ab%98%e9%a2%91%e5%8f%98%e5%8e%8b%e5%99%a8">高频å˜åŽ‹å™?/a> <a target='_blank' href="/Search/index.aspx?1=1&kwd=%e5%bc%80%e5%85%b3%e7%94%b5%e6%ba%90%e5%8f%98%e5%8e%8b%e5%99%a8">开关电æºå˜åŽ‹å™¨</a> <a target='_blank' href="/Search/index.aspx?1=1&kwd=%e7%94%b5%e6%84%9f%e7%ba%bf%e5%9c%88%e7%94%9f%e4%ba%a7%e5%8e%82%e5%ae%b6">电感线圈生产厂家</a> <a target='_blank' href="/Search/index.aspx?1=1&kwd=%e6%b7%b1%e5%9c%b3%e6%99%a8%e9%a3%9e%e7%94%b5%e5%ad%90">深圳晨飞电å</a>
</div>
<div class="n_info_con2">
<div>
</div>
<h4 class="t04">
关于â€?span></span>â€çš„相关资讯</h4>
<div class="info_b">
<ul class="p_list_ul">
</ul>
<div class="clear">
</div>
</div>
<div class="clear">
</div>
</div>
</div>
<div class="clear">
</div>
</div>
<!--content:end-->
<!--footer:start-->
<div class="footer">
<div class="footnav">
<a href="/Helps/aboutus.html">关于晨飞</a>|<a href="http://szchenfeipower.1688.com" target="_blank">晨飞阿里巴巴零售旗舰åº?/a>|<a href="/job/">人æ‰æ‹›è˜</a>|<a
href="/help/">å”®åŽæœåŠ¡ä¸å¿ƒ</a>|<a href="mailto:sales@chenfeipower.com">å…¬å¸é‚®ç®±</a>|<a href="/Sitemap.html">网站地图 </a>|<a href="/Helps/ContactUs.html">è”系晨飞</a>|<a
href="/user/Register.aspx">用户注册 </a>
</div>
<div class="font">
<div class="ico3 fl">
<img src="/Skins/Default/Img/Common/ico2.gif" alt="" title="" /></div>
<div class="font1 fl">
地å€ï¼šæ·±åœ³å¸‚龙岗区龙东鸿基路江å—工业å›?æ ?æ¥?br />
全国æœåŠ¡çƒçº¿ï¼?000-160-260 <a href="http://www.miitbeian.gov.cn">粤ICPå¤?1044697å?1</a><br />
电è¯ï¼?755-28372867 ä¼ çœŸï¼?755-22716226 <br />
<span>阿里巴巴网店<a href="http://szchenfeipower.1688.com" target="_blank">：http://szchenfeipower.1688.com/</a></span><br />
åˆä½œæœºæž„：百åº?阿里巴巴 ä¸å›½ç”µå商务å会 å•ä»èµ„讯 实战商业智慧<br />
诚å¾åª’体åˆä½œ>> å¾æ±‚å‹æƒ…链接>> åˆä½œç½‘站列表>>
</div>
<div class="ico4 fl">
<img src="/Skins/Default/Img/Common/ico3.gif" alt="" title="" /></div>
<div class="clear">
</div>
</div>
</div>
<!--footer:end-->
<script type="text/javascript"> var _bdhmProtocol = (("https:" == document.location.protocol) ? " https://" : " http://"); document.write(unescape("%3Cscript src='" + _bdhmProtocol + "hm.baidu.com/h.js%3Fa6bc1fc8fcc5eba8f6fac6e8270a30d2' type='text/javascript'%3E%3C/script%3E")) </script>
<meta name="baidu-site-verification" content="OGZYnzxQQ8" />
</body> </html> <script type="text/javascript" src="/UserControls/IM/im.js"></script><script type="text/javascript">writeIm('','深圳市晨飞电å有é™å…¬å?,180);__oran_kf_setPostion('divOranIm');</script>