CINXE.COM

<!DOCTYPE html> <html lang="zh-CN"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no"> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> <title>ADALM2000实验：调谐放大器级 |电子通-应用新知，新电子的助推者电子通</title> <meta name="description" content="目标：本次实验旨在研究调谐放大器的特性。" /> <meta name="keywords" content="" /> <link rel="shortcut icon" href="https://news.eeany.cn/wp-content/uploads/2023/02/WechatIMG43121.png"> <link rel="apple-touch-icon" sizes="114x114" href="https://news.eeany.cn/wp-content/uploads/2023/02/WechatIMG43121.png" /> <link rel="profile" href="http://gmpg.org/xfn/11"> <link rel="pingback" href="https://news.eeany.cn/xmlrpc.php">  <script data-ad-client="ca-pub-3723738787165109" async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script> <script src="./js/pn.js" type="text/javascript" ></script><script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?b482463483f125a653b403b264078fac"; var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(hm, s); })(); </script> <script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script> <script> (adsbygoogle = window.adsbygoogle || []).push({ google_ad_client: "ca-pub-3723738787165109", enable_page_level_ads: true }); </script>  <script async src="https://www.googletagmanager.com/gtag/js?id=UA-151026569-1"></script> <script> window.dataLayer = window.dataLayer || []; function gtag(){dataLayer.push(arguments);} gtag('js', new Date()); gtag('config', 'UA-151026569-1'); </script> <meta name='robots' content='max-image-preview:large' /> <link rel='dns-prefetch' href='//s.w.org' /> <link rel='stylesheet' id='wp-block-library-css' href='https://news.eeany.cn/wp-includes/css/dist/block-library/style.min.css?ver=5.7.2' type='text/css' media='all' /> <link rel='stylesheet' id='style-css' href='https://news.eeany.cn/wp-content/themes/begin/style.css?ver=2.0' type='text/css' media='all' /> <link rel='stylesheet' id='highlight-css' href='https://news.eeany.cn/wp-content/themes/begin/css/highlight.css?ver=2016.06.12' type='text/css' media='all' /> <script type='text/javascript' src='https://news.eeany.cn/wp-content/themes/begin/js/jquery.min.js?ver=1.10.1' id='jquery-js'></script> <script type='text/javascript' src='https://news.eeany.cn/wp-content/themes/begin/js/slides.js?ver=2016.06.12' id='slides-js'></script> <script type='text/javascript' src='https://news.eeany.cn/wp-content/themes/begin/js/jquery.qrcode.min.js?ver=2016.06.12' id='jquery.qrcode.min-js'></script> <script type='text/javascript' src='https://news.eeany.cn/wp-content/themes/begin/js/wow.js?ver=0.1.9' id='wow-js'></script> <script type='text/javascript' src='https://news.eeany.cn/wp-content/themes/begin/js/jquery-ias.js?ver=2.2.1' id='jquery-ias-js'></script> <script type='text/javascript' src='https://news.eeany.cn/wp-content/themes/begin/js/jquery.lazyload.js?ver=2016.06.12' id='lazyload-js'></script> <script type='text/javascript' src='https://news.eeany.cn/wp-content/themes/begin/js/tipso.js?ver=1.0.1' id='tipso-js'></script> <script type='text/javascript' id='script-js-extra'> /* <![CDATA[ */ var wpl_ajax_url = "https:\/\/news.eeany.cn\/wp-admin\/admin-ajax.php"; /* ]]> */ </script> <script type='text/javascript' src='https://news.eeany.cn/wp-content/themes/begin/js/script.js?ver=2016.06.12' id='script-js'></script> <script type='text/javascript' src='https://news.eeany.cn/wp-content/themes/begin/js/flexisel.js?ver=2016.06.12' id='flexisel-js'></script> <script type='text/javascript' src='https://news.eeany.cn/wp-content/themes/begin/js/fancybox.js?ver=2016.06.12' id='fancybox-js'></script> <script type='text/javascript' src='https://news.eeany.cn/wp-content/themes/begin/js/comments-ajax-qt.js?ver=2016.06.12' id='comments-ajax-qt-js'></script> <link rel="canonical" href="https://news.eeany.cn/eewiki/dzjczs/820905-17.html" /> </head> <body class="post-template-default single single-post postid-820905 single-format-standard"> <div class="ad-pc ad-site" style="text-align: center;"> <ins class='dcmads' style='display:inline-block;width:1078px;height:105px' data-dcm-placement='N4481.3698660EEANY.CN/B27137026.398336889' data-dcm-rendering-mode='script' data-dcm-https-only data-dcm-api-frameworks='[APIFRAMEWORKS]' data-dcm-omid-partner='[OMIDPARTNER]' data-dcm-gdpr-applies='gdpr=${GDPR}' data-dcm-gdpr-consent='gdpr_consent=${GDPR_CONSENT_755}' data-dcm-addtl-consent='addtl_consent=${ADDTL_CONSENT}' data-dcm-ltd='false' data-dcm-resettable-device-id='' data-dcm-app-id='' data-dcm-click-tracker=''> <script src='https://www.googletagservices.com/dcm/dcmads.js'></script> </ins> </div> <div id="page" class="hfeed site"> <header id="masthead" class="site-header"> <nav id="top-header"> <div class="top-nav"> </div> </nav> <div id="menu-box"> <div id="top-menu"> <span class="nav-search" style="display: none;"><i class="fa fa-search"></i></span> <hgroup class="logo-site"> <p class="site-title"> <a href="https://news.eeany.cn/"><img src="https://news.eeany.cn/wp-content/uploads/2023/02/eeany-logo-1.png" alt="电子通" /></a> </p> </hgroup> <div id="site-nav-wrap"> <div id="sidr-close"><a href="#sidr-close" class="toggle-sidr-close">×</a></div> <nav id="site-nav" class="main-nav"> <a href="#sidr-main" id="navigation-toggle" class="bars"><i class="fa fa-bars"></i></a> <div class="menu-candan-container"><ul id="menu-candan" class="down-menu nav-menu"><li id="menu-item-809449" class="menu-item menu-item-type-taxonomy menu-item-object-category menu-item-has-children menu-item-809449"><a href="https://news.eeany.cn/category/news/">新闻动态</a> <ul class="sub-menu"> <li id="menu-item-751411" class="menu-item menu-item-type-taxonomy menu-item-object-category menu-item-751411"><a href="https://news.eeany.cn/category/news/jinriguanz/">今日关注</a></li> <li id="menu-item-751414" class="menu-item menu-item-type-taxonomy menu-item-object-category menu-item-751414"><a href="https://news.eeany.cn/category/news/industry-investment/">行业投资</a></li> <li id="menu-item-751413" class="menu-item menu-item-type-taxonomy menu-item-object-category menu-item-751413"><a href="https://news.eeany.cn/category/news/newstuij/">新品推荐</a></li> <li id="menu-item-751412" class="menu-item menu-item-type-taxonomy menu-item-object-category menu-item-751412"><a href="https://news.eeany.cn/category/news/market-investment/">市场分析</a></li> </ul> </li> <li id="menu-item-807655" class="menu-item menu-item-type-taxonomy menu-item-object-category menu-item-has-children menu-item-807655"><a href="https://news.eeany.cn/category/eeanymarket/">电子集市</a> <ul class="sub-menu"> <li id="menu-item-807662" class="menu-item menu-item-type-taxonomy menu-item-object-category menu-item-807662"><a href="https://news.eeany.cn/category/eeanymarket/coldplay/">酷玩</a></li> <li id="menu-item-807661" class="menu-item menu-item-type-taxonomy menu-item-object-category menu-item-807661"><a href="https://news.eeany.cn/category/eeanymarket/chip/">芯片</a></li> <li id="menu-item-807660" class="menu-item menu-item-type-taxonomy menu-item-object-category menu-item-807660"><a href="https://news.eeany.cn/category/eeanymarket/programme/">方案</a></li> <li id="menu-item-807659" class="menu-item menu-item-type-taxonomy menu-item-object-category menu-item-807659"><a href="https://news.eeany.cn/category/eeanymarket/train/">培训</a></li> <li id="menu-item-807658" class="menu-item menu-item-type-taxonomy menu-item-object-category menu-item-807658"><a href="https://news.eeany.cn/category/eeanymarket/component-data/">元器件数据</a></li> <li id="menu-item-807657" class="menu-item menu-item-type-taxonomy menu-item-object-category menu-item-807657"><a href="https://news.eeany.cn/category/eeanymarket/supply-chain/">供应链</a></li> <li id="menu-item-807656" class="menu-item menu-item-type-taxonomy menu-item-object-category menu-item-807656"><a href="https://news.eeany.cn/category/eeanymarket/erp/">ERP</a></li> </ul> </li> <li id="menu-item-809451" class="menu-item menu-item-type-taxonomy menu-item-object-category menu-item-809451"><a href="https://news.eeany.cn/category/exhibition/">展会活动</a></li> <li id="menu-item-796993" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-796993"><a href="https://search.eeany.cn/search.html?q=TPS60400DBVR">料号搜索</a></li> <li id="menu-item-787485" class="menu-item menu-item-type-taxonomy menu-item-object-category menu-item-has-children menu-item-787485"><a href="https://news.eeany.cn/category/schwol/">大学院校</a> <ul class="sub-menu"> <li id="menu-item-787486" class="menu-item menu-item-type-taxonomy menu-item-object-category menu-item-787486"><a href="https://news.eeany.cn/category/schwol/academy/">院校名录</a></li> </ul> </li> <li id="menu-item-809452" class="menu-item menu-item-type-taxonomy menu-item-object-category current-post-ancestor menu-item-has-children menu-item-809452"><a href="https://news.eeany.cn/category/eewiki/">电子百科</a> <ul class="sub-menu"> <li id="menu-item-751409" class="menu-item menu-item-type-taxonomy menu-item-object-category menu-item-751409"><a href="https://news.eeany.cn/category/application/dianlutu/">电路图</a></li> <li id="menu-item-751408" class="menu-item menu-item-type-taxonomy menu-item-object-category menu-item-751408"><a href="https://news.eeany.cn/category/application/jiswike/">技术文库</a></li> <li id="menu-item-751417" class="menu-item menu-item-type-taxonomy menu-item-object-category current-post-ancestor current-menu-parent current-post-parent menu-item-751417"><a href="https://news.eeany.cn/category/eewiki/dzjczs/">电子基础知识</a></li> <li id="menu-item-751416" class="menu-item menu-item-type-taxonomy menu-item-object-category menu-item-751416"><a href="https://news.eeany.cn/category/eewiki/bzcpk/">标准产品库</a></li> </ul> </li> <li id="menu-item-809528" class="menu-item menu-item-type-taxonomy menu-item-object-category menu-item-has-children menu-item-809528"><a href="https://news.eeany.cn/category/industry-application/application-area/">应用领域</a> <ul class="sub-menu"> <li id="menu-item-809536" class="menu-item menu-item-type-taxonomy menu-item-object-category menu-item-809536"><a href="https://news.eeany.cn/category/industry-application/application-area/communication/">通信</a></li> <li id="menu-item-809535" class="menu-item menu-item-type-taxonomy menu-item-object-category menu-item-809535"><a href="https://news.eeany.cn/category/industry-application/application-area/things/">物联网</a></li> <li id="menu-item-809534" class="menu-item menu-item-type-taxonomy menu-item-object-category menu-item-809534"><a href="https://news.eeany.cn/category/industry-application/application-area/consumer/">消费电子</a></li> <li id="menu-item-809533" class="menu-item menu-item-type-taxonomy menu-item-object-category menu-item-809533"><a href="https://news.eeany.cn/category/industry-application/application-area/vehicle/">汽车电子</a></li> <li id="menu-item-809532" class="menu-item menu-item-type-taxonomy menu-item-object-category menu-item-809532"><a href="https://news.eeany.cn/category/industry-application/application-area/control/">工业控制</a></li> <li id="menu-item-809531" class="menu-item menu-item-type-taxonomy menu-item-object-category menu-item-809531"><a href="https://news.eeany.cn/category/industry-application/application-area/anfangdianz/">安防电子</a></li> <li id="menu-item-809530" class="menu-item menu-item-type-taxonomy menu-item-object-category menu-item-809530"><a href="https://news.eeany.cn/category/industry-application/application-area/medical/">医疗电子</a></li> <li id="menu-item-809529" class="menu-item menu-item-type-taxonomy menu-item-object-category menu-item-809529"><a href="https://news.eeany.cn/category/industry-application/application-area/ai/">人工智能</a></li> </ul> </li> <li id="menu-item-809537" class="menu-item menu-item-type-taxonomy menu-item-object-category menu-item-has-children menu-item-809537"><a href="https://news.eeany.cn/category/industry-application/dianzjis/">电子技术</a> <ul class="sub-menu"> <li id="menu-item-809542" class="menu-item menu-item-type-taxonomy menu-item-object-category menu-item-809542"><a href="https://news.eeany.cn/category/industry-application/dianzjis/modianzi/">模拟电子</a></li> <li id="menu-item-809541" class="menu-item menu-item-type-taxonomy menu-item-object-category menu-item-809541"><a href="https://news.eeany.cn/category/industry-application/dianzjis/danpianji/">单片机</a></li> <li id="menu-item-809540" class="menu-item menu-item-type-taxonomy menu-item-object-category menu-item-809540"><a href="https://news.eeany.cn/category/industry-application/dianzjis/bandaoti/">半导体</a></li> <li id="menu-item-809539" class="menu-item menu-item-type-taxonomy menu-item-object-category menu-item-809539"><a href="https://news.eeany.cn/category/industry-application/dianzjis/fpga/">FPGA</a></li> <li id="menu-item-809538" class="menu-item menu-item-type-taxonomy menu-item-object-category menu-item-809538"><a href="https://news.eeany.cn/category/industry-application/dianzjis/dsp-dianzjis/">DSP</a></li> </ul> </li> <li id="menu-item-809652" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-809652"><a href="https://news.eeany.cn/%e5%85%b3%e4%ba%8e%e6%88%91%e4%bb%ac">关于我们</a></li> </ul></div> </nav> </div> <div class="clear"></div> </div> </div> </header> <div id="search-main"> <div class="clear"></div> </div> <nav class="breadcrumb"> <a class="crumbs" title="返回首页" href="https://news.eeany.cn">首页</a><i class="fa fa-angle-right"></i><a href="https://news.eeany.cn/category/eewiki/">电子百科</a><i class="fa fa-angle-right"></i><a href="https://news.eeany.cn/category/eewiki/dzjczs/" rel="category tag">电子基础知识</a><i class="fa fa-angle-right"></i>正文 </nav> <div id="content" class="site-content"> <div class="ad-pc ad-site"><ins class='dcmads' style='display:inline-block;width:1078px;height:150px' data-dcm-placement='N30602.3698660EEANY.CN/B22200399.406566174' data-dcm-rendering-mode='iframe' data-dcm-https-only data-dcm-api-frameworks='[APIFRAMEWORKS]' data-dcm-omid-partner='[OMIDPARTNER]' data-dcm-gdpr-applies='gdpr=${GDPR}' data-dcm-gdpr-consent='gdpr_consent=${GDPR_CONSENT_755}' data-dcm-addtl-consent='addtl_consent=${ADDTL_CONSENT}' data-dcm-ltd='false' data-dcm-resettable-device-id='' data-dcm-app-id=''> <script src='https://www.googletagservices.com/dcm/dcmads.js'></script> </ins></div> <div class="ad-l ad-site">   </div> <div class="ad-r ad-site"> </div> <div class="clear"></div> <div id="primary" class="content-area"> <main id="main" class="site-main" role="main"> <article id="post-820905" class="post-820905 post type-post status-publish format-standard hentry category-dzjczs"> <header class="entry-header"> <h1 class="entry-title">ADALM2000实验：调谐放大器级</h1> </header> <div class="entry-content"> <div class="single-content"> <div class="ad-pc ad-site"> </div> <p>目标：本次实验旨在研究调谐放大器的特性。</p> <p>背景知识</p> <p>对通信系统的许多要求都超出了运算放大器的高频限制。在此类情况下，通常会使用分立式调谐放大器。分立式放大器通常使用LC（并联电感电容）谐振电路来代替集电极（或漏极）电阻器进行调谐。此类电路见图1。<img loading="lazy" class="alignnone size-full wp-image-820906" data-original="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms.jpg" src="https://news.eeany.cn/wp-content/themes/begin/img/blank.gif" alt="ADALM2000实验：调谐放大器级" width="420" height="282" srcset="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms.jpg 420w, https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-300x201.jpg 300w" sizes="(max-width: 420px) 100vw, 420px" />图1.具有谐振输出负载的共发射极放大器。</p> <noscript><img loading="lazy" class="alignnone size-full wp-image-820906" src="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms.jpg" alt="ADALM2000实验：调谐放大器级" width="420" height="282" srcset="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms.jpg 420w, https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-300x201.jpg 300w" sizes="(max-width: 420px) 100vw, 420px" />图1.具有谐振输出负载的共发射极放大器。</p></noscript> <p>并联LC（谐振回路）电路决定了放大器的频率响应。在某个频率下，XL = XC。此频率称为谐振频率FR，其计算公式如下：</p> <figure class="wp-block-image"><img loading="lazy" class="alignnone size-full wp-image-820907" data-original="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-1.jpg" src="https://news.eeany.cn/wp-content/themes/begin/img/blank.gif" alt="ADALM2000实验：调谐放大器级" width="312" height="35" alt="" srcset="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-1.jpg 312w, https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-1-300x34.jpg 300w" sizes="(max-width: 312px) 100vw, 312px" /></figure> <noscript><img loading="lazy" class="alignnone size-full wp-image-820907" src="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-1.jpg" alt="ADALM2000实验：调谐放大器级" width="312" height="35" alt="" srcset="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-1.jpg 312w, https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-1-300x34.jpg 300w" sizes="(max-width: 312px) 100vw, 312px" /></figure></noscript> <p>正如我们在电感器自谐振实验1中了解到的那样，在设计调谐放大器时一定要考虑内置电容。在理想的谐振电路中，电感电流滞后电容电流180°，净电路电流为零。因此，并联谐振电路的阻抗在FR处极高。当集电极的负载阻抗最大（即在FR处工作）时，共发射极放大器的电压增益达到最大值。</p> <p>当输入频率（FIN）低于FR时，电路阻抗从其最大值开始减小并呈感性。当FIN高于FR时，电路阻抗再次下降，但呈容性。当在FR处工作时，谐振电路的阻抗达到其最大值。因此，调谐共发射极放大器2的增益也处于最大值。</p> <p>实验前仿真</p> <p>构建调谐放大器的仿真原理图见图1。计算偏置电阻R1和R2的值，确保当发射极电阻R3设置为100 Ω时，NPN晶体管Q1中的集电极电流约为5 mA。假设电路由10 V电源供电。确保R1和R2之和（总电阻）达到合理的最高值，从而让放大器级保持尽可能高的输入阻抗。将输入和输出交流耦合电容C2和C3设置为0.1 μF。计算C1的值，确保当L1设置为100 μH时，谐振频率接近500 kHz。在输入端口执行小信号交流扫描，并绘制在输出处看到的幅度和相位曲线。保存这些结果，将它们与实际电路的测量结果进行比较并将比较结果随附在实验报告中。您可能还希望为图3和图4中所示的电路创建仿真原理图。</p> <p>材料</p> <p>►ADALM2000主动学习模块</p> <p>►无焊试验板和跳线套件</p> <p>►一个2N3904 NPN晶体管</p> <p>►一个100 μH电感器（各种具有其他值的电感器）</p> <p>►两个0.1μF电容</p> <p>►一个100 Ω电阻</p> <p>►所需的其他电阻和电容</p> <p>说明</p> <p>在无焊试验板上构建图2所示的电路。根据您的实验前仿真，从器件套件中选择偏置电阻器R1和R2的值，以便在使用100 Ω发射极电阻器R3时，NPN晶体管Q1中的集电极电流介于5 mA和10 mA之间。假设电路由+5V和–5V电源（总共10V）供电。确保R1和R2之和（总电阻）达到合理的最高值，从而让放大器级保持尽可能高的输入阻抗。同样，根据您的仿真，计算C1的值，使100 μH L1的谐振频率接近500 kHz。从器件套件内提供的标准电容器值中选择一个值，或者将两个器件串联或并联在一起，使其值尽可能接近计算值。根据最终得到的C1值计算新的谐振频率。您可能希望考虑在实验中测量的寄生绕组电容对电感器自谐振的影响。1</p> <p>此调谐放大器的峰值增益可能会非常高。我们将需要通过选择比R1和R2并联电阻值（放大器的输入电阻）大2到3倍的RS值来略微衰减AWG1的输出信号。输出负载RL的值还决定了放大器的最大增益。在初始测量时，要将RL排除在电路之外。示波器通道的大约1 MΩ输入电阻将用作RL。<img loading="lazy" class="alignnone size-full wp-image-820908" data-original="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-2.jpg" src="https://news.eeany.cn/wp-content/themes/begin/img/blank.gif" alt="ADALM2000实验：调谐放大器级" width="492" height="276" srcset="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-2.jpg 492w, https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-2-300x168.jpg 300w" sizes="(max-width: 492px) 100vw, 492px" />图2.共发射极调谐放大器。</p> <noscript><img loading="lazy" class="alignnone size-full wp-image-820908" src="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-2.jpg" alt="ADALM2000实验：调谐放大器级" width="492" height="276" srcset="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-2.jpg 492w, https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-2-300x168.jpg 300w" sizes="(max-width: 492px) 100vw, 492px" />图2.共发射极调谐放大器。</p></noscript> <p>硬件设置</p> <p>绿色区域表示连接ADALM2000模块AWG、示波器通道和电源的位置。确保在反复检查接线之后，再打开电源。试验板连接见图3。<img loading="lazy" class="alignnone size-full wp-image-820909" data-original="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-3.jpg" src="https://news.eeany.cn/wp-content/themes/begin/img/blank.gif" alt="ADALM2000实验：调谐放大器级" width="640" height="246" srcset="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-3.jpg 640w, https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-3-300x115.jpg 300w" sizes="(max-width: 640px) 100vw, 640px" />图3.共发射极调谐放大器试验板连接。</p> <noscript><img loading="lazy" class="alignnone size-full wp-image-820909" src="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-3.jpg" alt="ADALM2000实验：调谐放大器级" width="640" height="246" srcset="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-3.jpg 640w, https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-3-300x115.jpg 300w" sizes="(max-width: 640px) 100vw, 640px" />图3.共发射极调谐放大器试验板连接。</p></noscript> <p>程序步骤</p> <p>在主Scopy窗口打开网络分析仪软件工具。配置扫描范围，起始频率为10 kHz，停止频率为10 MHz。将振幅设置为200 mV，偏置设置为0 V。使用波特图显示，将可显示的最大幅度设置为60 dB，显示范围设置为80 dB。将可显示的最大相位设置为180°，显示范围设置为360°。在示波器通道下，点击“使用通道1”，将其作为参考通道。将步骤数设为100。</p> <p>运行单次频率扫描。您应该会看到，幅度和相位与频率的关系曲线和仿真结果非常相似。一旦确定放大器的最大增益出现在500 kHz附近，就可以缩小频率扫描范围，使其从100 kHz开始，到1 MHz停止。请务必将所有频率扫描数据导出到.csv文件，以便采用Excel或MATLAB®进行深入分析。Scopy波形图示例见图4。</p> <p>说明</p> <p>计算输入偏置电阻分压器R1和R2的新值，使得在没有施加输入信号的情况下晶体管Q1截止(IC = 0)。正弦波通常不包含任何谐波，因此将AWG1设置为产生方波信号，其频率为您在早期测试中测量的谐振频率的1/3。要生成大谐波，请将对称性设置为20%（在20%的周期内脉冲处于高电平）。您需要将输入脉冲的幅度增加到大于2 V，或者移除输入衰减源电阻器RS。</p> <p>程序步骤</p> <p>倍频器由集电极电流的脉冲驱动，集电极电流由C类放大器产生。尽管集电极电流以脉冲形式流动，但由于谐振电路的作用，交流集电极电压为正弦波。使用一个示波器通道，通过测量发射极电阻器R3两端的电压来监控集电极电流脉冲。Scopy波形图见图5。<img loading="lazy" class="alignnone size-full wp-image-820910" data-original="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-4.jpg" src="https://news.eeany.cn/wp-content/themes/begin/img/blank.gif" alt="ADALM2000实验：调谐放大器级" width="450" height="348" srcset="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-4.jpg 450w, https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-4-300x232.jpg 300w" sizes="(max-width: 450px) 100vw, 450px" />图4.共发射极调谐放大器，RL为1 MΩ。</p> <noscript><img loading="lazy" class="alignnone size-full wp-image-820910" src="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-4.jpg" alt="ADALM2000实验：调谐放大器级" width="450" height="348" srcset="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-4.jpg 450w, https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-4-300x232.jpg 300w" sizes="(max-width: 450px) 100vw, 450px" />图4.共发射极调谐放大器，RL为1 MΩ。</p></noscript> <p>现在向电路中添加负载电阻RL。从100 kΩ开始运行新扫描。记下最大增益和频率。将它们与仅使用示波器输入作为负载时获得的结果进行比较。连续尝试较低的RL值，例如10 kΩ和1 kΩ等。记下并比较测量结果。</p> <p>倍频器</p> <p>倍频器或谐波发生器是一类特殊的放大器，其偏置比正常截止偏置低3到10倍。使用它们生成的输出频率是较低输入频率的倍数（谐波）。</p> <p>图2的调谐放大器电路可以用作倍频器。如果输入信号（例如包含足够大谐波的方波或脉冲）的频率为167 kHz，也就是输出回路的谐振频率500 kHz的1/3，则输出信号将达到500 kHz，即输入频率的三倍，而且此时的增益最高。输入的基频和其他谐波将因电路的调谐特性而显著降低。五次谐波（五倍频）信号通常在倍频中尽可能高，因为高于五次的输入信号谐波通常非常弱，并且倍增输出会减小到非常弱的信号。<img loading="lazy" class="alignnone size-full wp-image-820911" data-original="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-5.jpg" src="https://news.eeany.cn/wp-content/themes/begin/img/blank.gif" alt="ADALM2000实验：调谐放大器级" width="436" height="348" srcset="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-5.jpg 436w, https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-5-300x239.jpg 300w" sizes="(max-width: 436px) 100vw, 436px" />图5.通道2测量发射极电阻R3两端的电压。</p> <noscript><img loading="lazy" class="alignnone size-full wp-image-820911" src="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-5.jpg" alt="ADALM2000实验：调谐放大器级" width="436" height="348" srcset="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-5.jpg 436w, https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-5-300x239.jpg 300w" sizes="(max-width: 436px) 100vw, 436px" />图5.通道2测量发射极电阻R3两端的电压。</p></noscript> <p>改进的调谐放大器级</p> <p>下面的电路（如图6所示）是更通用的调谐放大器级，它使用带有LC谐振输出负载的NPN差分对3。</p> <p>材料</p> <p>►ADALM2000主动学习模块</p> <p>►无焊试验板和跳线套件</p> <p>►一个2N3904 NPN晶体管</p> <p>►一对SSM2212 NPN匹配晶体管</p> <p>►一个100 μH电感器（各种具有其他值的电感器）</p> <p>►两个0.1 μF电容（标记为104）</p> <p>►一个100 Ω电阻</p> <p>►两个1 kΩ电阻</p> <p>►两个2.2 kΩ电阻</p> <p>►所需的其他电阻和电容</p> <p>说明</p> <p>在无焊试验板上构建图6所示的电路。为Q1和Q2配备SSM2212匹配晶体管对。从器件套件中选择偏置电阻器R1和R2的值，以便在使用100 Ω发射极电阻器R3时，NPN晶体管Q3中的集电极电流介于5 mA和10 mA之间。请注意，在这种情况下，R1、R2电阻分压器由地和–5 V电源供电。使用与前面的放大器级相同的L1和C1组合。<img loading="lazy" class="alignnone size-full wp-image-820912" data-original="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-6.jpg" src="https://news.eeany.cn/wp-content/themes/begin/img/blank.gif" alt="ADALM2000实验：调谐放大器级" width="376" height="380" srcset="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-6.jpg 376w, https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-6-297x300.jpg 297w" sizes="(max-width: 376px) 100vw, 376px" />图6.具有单端谐振输出负载的差分放大器级。</p> <noscript><img loading="lazy" class="alignnone size-full wp-image-820912" src="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-6.jpg" alt="ADALM2000实验：调谐放大器级" width="376" height="380" srcset="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-6.jpg 376w, https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-6-297x300.jpg 297w" sizes="(max-width: 376px) 100vw, 376px" />图6.具有单端谐振输出负载的差分放大器级。</p></noscript> <p>硬件设置</p> <p>绿色区域表示连接ADALM2000模块AWG、示波器通道和电源的位置。确保在反复检查接线之后，再打开电源。试验板连接见图7。<img loading="lazy" class="alignnone size-full wp-image-820913" data-original="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-7.jpg" src="https://news.eeany.cn/wp-content/themes/begin/img/blank.gif" alt="ADALM2000实验：调谐放大器级" width="640" height="250" srcset="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-7.jpg 640w, https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-7-300x117.jpg 300w" sizes="(max-width: 640px) 100vw, 640px" />图7.具有单端谐振输出负载试验板连接的差分放大器级。</p> <noscript><img loading="lazy" class="alignnone size-full wp-image-820913" src="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-7.jpg" alt="ADALM2000实验：调谐放大器级" width="640" height="250" srcset="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-7.jpg 640w, https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-7-300x117.jpg 300w" sizes="(max-width: 640px) 100vw, 640px" />图7.具有单端谐振输出负载试验板连接的差分放大器级。</p></noscript> <p>程序步骤</p> <p>在主Scopy窗口打开网络分析仪软件工具。配置扫描范围，起始频率为10 kHz，停止频率为10 MHz。将振幅设置为200 mV，偏置设置为0 V。使用波特图显示，将可显示的最大幅度设置为50 dB，显示范围设置为80 dB。将可显示的最大相位设置为180°，显示范围设置为360°。在示波器通道下，点击“使用通道1”，将其作为参考通道。将步骤数设为500。</p> <p>与第一个实验一样，运行单次频率扫描。一旦确定放大器的最大增益出现在500 kHz附近，就可以缩小频率扫描范围，使其从100 kHz开始，到1 MHz停止。请务必将数据导出到.csv文件，以便采用Excel或MATLAB进行深入分析。Scopy波形图见图8。<img loading="lazy" class="alignnone size-full wp-image-820914" data-original="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-8.jpg" src="https://news.eeany.cn/wp-content/themes/begin/img/blank.gif" alt="ADALM2000实验：调谐放大器级" width="444" height="348" srcset="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-8.jpg 444w, https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-8-300x235.jpg 300w" sizes="(max-width: 444px) 100vw, 444px" />图8.经过改进的调谐放大器，RL为1 MΩ。</p> <noscript><img loading="lazy" class="alignnone size-full wp-image-820914" src="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-8.jpg" alt="ADALM2000实验：调谐放大器级" width="444" height="348" srcset="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-8.jpg 444w, https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-8-300x235.jpg 300w" sizes="(max-width: 444px) 100vw, 444px" />图8.经过改进的调谐放大器，RL为1 MΩ。</p></noscript> <p>与前面一样，向电路中添加负载电阻RL。从100 kΩ开始运行新扫描。记下最大增益和频率。将它们与仅使用示波器输入作为负载时获得的结果进行比较。连续尝试较低的RL值，例如10 kΩ和1 kΩ等。记下并比较测量结果。它们应当与第一个实验中获得的结果类似。</p> <p>额外实验</p> <p>通过一个电容器将幅度调制应用于输出频率，该电容器将源自AWG 2的调制（音频）信号耦合到电流源晶体管Q3的基极或发射极。</p> <p>添加2阶高通滤波器输入级</p> <p>有时，需要在单晶体管调谐放大器级的输入端接入一个简单的有源高通滤波器。图9所示的滤波器电路提供一个具有单位增益的2阶滤波器。此滤波器便于放置在较大的电路中，因为它包含的元件很少，而且占用的空间不大。</p> <p>有源高通晶体管电路相当简单，总共仅使用四个电阻器、两个电容器和单个晶体管。晶体管的工作条件以正常方式进行设置。如图1所示，R1和R2用于设置晶体管基极的偏置点。电阻器R3是发射极电阻器，用于设置晶体管的电流。</p> <p>滤波器元件包含在从晶体管发射极到输入的负反馈中。构成有源滤波器网络的元件包含C2、C3、R4以及R1和R2的并联组合，并假设晶体管基极的输入电阻非常高，可以忽略不计。</p> <figure class="wp-block-image"><img data-original="https://k.sinaimg.cn/n/sinakd20240924s/333/w311h22/20240924/07b6-8dc00f5fb932160708f31b11f772e9aa.png/w700d1q75cms.jpg" src="https://news.eeany.cn/wp-content/themes/begin/img/blank.gif" alt="ADALM2000实验：调谐放大器级" alt=""/></figure> <noscript><img src="https://k.sinaimg.cn/n/sinakd20240924s/333/w311h22/20240924/07b6-8dc00f5fb932160708f31b11f772e9aa.png/w700d1q75cms.jpg" alt="ADALM2000实验：调谐放大器级" alt=""/></figure></noscript> <figure class="wp-block-image"><img loading="lazy" class="alignnone size-full wp-image-820915" data-original="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-9.jpg" src="https://news.eeany.cn/wp-content/themes/begin/img/blank.gif" alt="ADALM2000实验：调谐放大器级" width="311" height="36" alt="" srcset="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-9.jpg 311w, https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-9-300x35.jpg 300w" sizes="(max-width: 311px) 100vw, 311px" /></figure> <noscript><img loading="lazy" class="alignnone size-full wp-image-820915" src="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-9.jpg" alt="ADALM2000实验：调谐放大器级" width="311" height="36" alt="" srcset="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-9.jpg 311w, https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-9-300x35.jpg 300w" sizes="(max-width: 311px) 100vw, 311px" /></figure></noscript> <p>这针对的是高通滤波器电路中晶体管本身的影响可以忽略的值，即：</p> <figure class="wp-block-image"><img loading="lazy" class="alignnone size-full wp-image-820916" data-original="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-10.jpg" src="https://news.eeany.cn/wp-content/themes/begin/img/blank.gif" alt="ADALM2000实验：调谐放大器级" width="312" height="36" alt="" srcset="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-10.jpg 312w, https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-10-300x35.jpg 300w" sizes="(max-width: 312px) 100vw, 312px" /></figure> <noscript><img loading="lazy" class="alignnone size-full wp-image-820916" src="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-10.jpg" alt="ADALM2000实验：调谐放大器级" width="312" height="36" alt="" srcset="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-10.jpg 312w, https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-10-300x35.jpg 300w" sizes="(max-width: 312px) 100vw, 312px" /></figure></noscript> <figure class="wp-block-image"><img loading="lazy" class="alignnone size-full wp-image-820917" data-original="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-11.jpg" src="https://news.eeany.cn/wp-content/themes/begin/img/blank.gif" alt="ADALM2000实验：调谐放大器级" width="311" height="36" alt="" srcset="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-11.jpg 311w, https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-11-300x35.jpg 300w" sizes="(max-width: 311px) 100vw, 311px" /></figure> <noscript><img loading="lazy" class="alignnone size-full wp-image-820917" src="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-11.jpg" alt="ADALM2000实验：调谐放大器级" width="311" height="36" alt="" srcset="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-11.jpg 311w, https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-11-300x35.jpg 300w" sizes="(max-width: 311px) 100vw, 311px" /></figure></noscript> <p>其中:</p> <p>β = 晶体管的正向电流增益 Fo = 高通滤波器的截止频率 π = 3.14159</p> <p>用于确定元件值的方程提供Butterworth响应，该响应以尽可能快地实现最终滚降为代价提供通带内的最大平坦度。之所以这样选择，是因为这种形式的滤波器适合大多数应用，并且数学计算很容易。</p> <p>材料</p> <p>►ADALM2000主动学习模块</p> <p>►无焊试验板和跳线套件</p> <p>►一个2N3904 NPN晶体管</p> <p>►一个100 μH电感器（各种具有其他值的电感器）</p> <p>►一个0.1 μF电容</p> <p>►一个100 Ω电阻</p> <p>►所需的其他电阻和电容</p> <p>说明</p> <p>在无焊试验板上构建图9所示的电路。对偏置电阻器R1和R2使用与实验1中相同的值（图2）。使用与前面的放大器级相同的L1和C1组合。使用上面的高通截止频率FO公式计算C2、C3和R4的值，从而产生比L1和C1的谐振频率低两倍频程的频率。例如，如果FR等于500 kHz，则基于FO等于125 kHz进行计算。<img loading="lazy" class="alignnone size-full wp-image-820918" src="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-12.jpg" alt="ADALM2000实验：调谐放大器级" width="466" height="284" srcset="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-12.jpg 466w, https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-12-300x183.jpg 300w" sizes="(max-width: 466px) 100vw, 466px" />图9.向调谐放大器中添加2阶高通输入滤波器。<img loading="lazy" class="alignnone size-full wp-image-820919" data-original="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-13.jpg" src="https://news.eeany.cn/wp-content/themes/begin/img/blank.gif" alt="ADALM2000实验：调谐放大器级" width="640" height="251" srcset="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-13.jpg 640w, https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-13-300x118.jpg 300w" sizes="(max-width: 640px) 100vw, 640px" />图10.试验板连接。</p> <noscript><img loading="lazy" class="alignnone size-full wp-image-820918" src="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-12.jpg" alt="ADALM2000实验：调谐放大器级" width="466" height="284" srcset="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-12.jpg 466w, https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-12-300x183.jpg 300w" sizes="(max-width: 466px) 100vw, 466px" />图9.向调谐放大器中添加2阶高通输入滤波器。<img loading="lazy" class="alignnone size-full wp-image-820919" src="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-13.jpg" alt="ADALM2000实验：调谐放大器级" width="640" height="251" srcset="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-13.jpg 640w, https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-13-300x118.jpg 300w" sizes="(max-width: 640px) 100vw, 640px" />图10.试验板连接。</p></noscript> <p>硬件设置</p> <p>绿色区域表示连接ADALM2000模块AWG、示波器通道和电源的位置。确保在反复检查接线之后，再打开电源（图10）。</p> <p>程序步骤</p> <p>在主Scopy窗口打开网络分析仪软件工具。配置扫描范围，起始频率为10 kHz，停止频率为10 MHz。将振幅设置为200 mV，偏置设置为0 V。使用波特图显示，将可显示的最大幅度设置为30 dB，显示范围设置为60 dB。将可显示的最大相位设置为180°，显示范围设置为360°。在示波器通道下，点击“使用通道1”，将其作为参考通道。将步骤数设为100。<img loading="lazy" class="alignnone size-full wp-image-820920" data-original="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-14.jpg" src="https://news.eeany.cn/wp-content/themes/begin/img/blank.gif" alt="ADALM2000实验：调谐放大器级" width="444" height="348" srcset="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-14.jpg 444w, https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-14-300x235.jpg 300w" sizes="(max-width: 444px) 100vw, 444px" />图11.RL 为1MΩ时的结果</p> <noscript><img loading="lazy" class="alignnone size-full wp-image-820920" src="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-14.jpg" alt="ADALM2000实验：调谐放大器级" width="444" height="348" srcset="https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-14.jpg 444w, https://news.eeany.cn/wp-content/uploads/2024/09/w700d1q75cms-14-300x235.jpg 300w" sizes="(max-width: 444px) 100vw, 444px" />图11.RL 为1MΩ时的结果</p></noscript> <p>与第一个实验一样，运行单次频率扫描，示波器通道2通过耦合电容C4连接到Q1的集电极。要测量高通输入滤波器的响应，请通过耦合电容C4将示波器通道2连接到Q1的基极。请务必将数据导出到.csv文件，以便采用Excel或MATLAB进行深入分析。将响应曲线与在图2的电路中测量的曲线进行比较。尝试C2、C3和R4值的不同组合，了解频率响应有何变化。Scopy波形图见图11。</p> </div> <div class="ad-pc ad-site"> </div> <div class="clear"></div> <div id="social"> <div class="social-main"> <span class="like"> <a href="javascript:;" data-action="ding" data-id="820905" title="我赞" class="favorite"><i class="fa fa-thumbs-up"></i>赞 <i class="count"> 0</i> </a> </span> <span class="shang-p"> <span class="tipso_style" id="tip-p" data-tipso=' <div id="shang"> <div class="shang-main"> <h4><i class="fa fa-heart" aria-hidden="true"></i> 欢迎加入电子技术交流群群号码：723479914</h4> <div class="shang-img"> <img src="https://news.eeany.cn/wp-content/uploads/2020/07/IC代理现货企业群群聊二维码.png" /> <h4>IC元器件采购群</h4> </div> <div class="shang-img"> <img src="https://news.eeany.cn/wp-content/uploads/2020/07/IC元器件代理商群聊二维码.png" /> <h4>工程师交流群</h4> </div> <div class="clear"></div> </div> </div>'> <span class="shang-s"><a title="">加群</a></span></span> </span> <span class="share-sd"> <span class="share-s"><a href="javascript:void(0)" id="share-s" title="分享"><i class="fa fa-share-alt"></i>分享</a></span> <div id="share"> <ul class="bdsharebuttonbox"> <li><a title="更多" class="bds_more fa fa-plus-square" data-cmd="more"></a></li> <li><a title="分享到QQ空间" class="fa fa-qq" data-cmd="qzone" href="#"></a></li> <li><a title="分享到新浪微博" class="fa fa-weibo" data-cmd="tsina"></a></li> <li><a title="分享到腾讯微博" class="fa fa-pinterest-square" data-cmd="tqq"></a></li> <li><a title="分享到人人网" class="fa fa-renren" data-cmd="renren"></a></li> <li><a title="分享到微信" class="fa fa-weixin" data-cmd="weixin"></a></li> </ul> </div> </span> <div class="clear"></div> </div> </div> <footer class="single-footer"> <ul class="single-meta"> <li class="comment"><span><span class="screen-reader-text">ADALM2000实验：调谐放大器级</span>已关闭评论</span></li> <li class="r-hide"><a href="javascript:pr()" title="侧边栏"><i class="fa fa-caret-left"></i> <i class="fa fa-caret-right"></i></a></li> </ul> <ul id="fontsize">A+</ul> <div class="single-cat-tag"> <div class="single-cat">发布日期：2024年09月25日  所属分类：<a href="https://news.eeany.cn/category/eewiki/dzjczs/" rel="category tag">电子基础知识</a></div> <div class="single-tag"></div> </div> </footer> <div class="clear"></div> </div> </article> <div class="wow fadeInUp" data-wow-delay="0.3s"><div id="related-img"> <div class="r4"> <div class="related-site"> <figure class="related-site-img"> <a href="https://news.eeany.cn/eewiki/dzjczs/822158-07.html"><img width="800" height="456" src="https://news.eeany.cn/wp-content/uploads/2024/11/raq-issue-223-animated.gif" class="attachment-content size-content wp-post-image" alt="问题：如果DC-DC器件具有两个输出，但用作单路两相输出，这会如何影响软启动时序？" loading="lazy" /></a> </figure> <div class="related-title"><a href="https://news.eeany.cn/eewiki/dzjczs/822158-07.html">问题：如果DC-DC器件具有两个输出，但用作单路两相输出，这会如何影响软启动时序？</a></div> </div> </div> <div class="r4"> <div class="related-site"> <figure class="related-site-img"> <a href="https://news.eeany.cn/eewiki/dzjczs/821620-50.html"><img width="744" height="568" src="https://news.eeany.cn/wp-content/uploads/2024/10/image-264.png" class="attachment-content size-content wp-post-image" alt="ADI公司如何让IO-LINK和工业以太网在智能工厂车间通信" loading="lazy" srcset="https://news.eeany.cn/wp-content/uploads/2024/10/image-264.png 744w, https://news.eeany.cn/wp-content/uploads/2024/10/image-264-300x229.png 300w" sizes="(max-width: 744px) 100vw, 744px" /></a> </figure> <div class="related-title"><a href="https://news.eeany.cn/eewiki/dzjczs/821620-50.html">ADI公司如何让IO-LINK和工业以太网在智能工厂车间通信</a></div> </div> </div> <div class="r4"> <div class="related-site"> <figure class="related-site-img"> <a href="https://news.eeany.cn/eewiki/dzjczs/821540-48.html"><img width="931" height="440" src="https://news.eeany.cn/wp-content/uploads/2024/10/52c9-5d52cd5285c3dbbd050fef87f085b9a2.png" class="attachment-content size-content wp-post-image" alt="Bluetooth®核心规范v5.1 是蓝牙技术发展的一个重大进步，尤其是其测向功能。这一功能提高了定位服务的精度，对室内导航和资产跟踪等应用至关重要。" loading="lazy" srcset="https://news.eeany.cn/wp-content/uploads/2024/10/52c9-5d52cd5285c3dbbd050fef87f085b9a2.png 931w, https://news.eeany.cn/wp-content/uploads/2024/10/52c9-5d52cd5285c3dbbd050fef87f085b9a2-300x142.png 300w, https://news.eeany.cn/wp-content/uploads/2024/10/52c9-5d52cd5285c3dbbd050fef87f085b9a2-768x363.png 768w" sizes="(max-width: 931px) 100vw, 931px" /></a> </figure> <div class="related-title"><a href="https://news.eeany.cn/eewiki/dzjczs/821540-48.html">Bluetooth®核心规范v5.1 是蓝牙技术发展的一个重大进步，尤其是其测向功能。这一功能提高了定位服务的精度，对室内导航和资产跟踪等应用至关重要。</a></div> </div> </div> <div class="r4"> <div class="related-site"> <figure class="related-site-img"> <a href="https://news.eeany.cn/eewiki/dzjczs/821402-26.html"><img width="900" height="505" src="https://news.eeany.cn/wp-content/uploads/2024/10/587823-fig-03.jpg" class="attachment-content size-content wp-post-image" alt="实现不间断能源的智能备用电池第四部分：BBU架的操作" loading="lazy" srcset="https://news.eeany.cn/wp-content/uploads/2024/10/587823-fig-03.jpg 900w, https://news.eeany.cn/wp-content/uploads/2024/10/587823-fig-03-300x168.jpg 300w, https://news.eeany.cn/wp-content/uploads/2024/10/587823-fig-03-768x431.jpg 768w" sizes="(max-width: 900px) 100vw, 900px" /></a> </figure> <div class="related-title"><a href="https://news.eeany.cn/eewiki/dzjczs/821402-26.html">实现不间断能源的智能备用电池第四部分：BBU架的操作</a></div> </div> </div> <div class="clear"></div> </div></div> <div id="single-widget"> <div class="wow fadeInUp" data-wow-delay="0.3s"></div> <div class="clear"></div> </div> <div class="wow fadeInUp" data-wow-delay="0.3s"></div> <nav class="nav-single wow fadeInUp" data-wow-delay="0.3s"> <a href="https://news.eeany.cn/eewiki/dzjczs/820850-34.html" rel="prev"><span class="meta-nav"><span class="post-nav"><i class="fa fa-angle-left"></i> 上一篇</span><br/>汽车智能化“卷”向车灯，安森美两款重磅方案透露出哪些趋势？</span></a><a href="https://news.eeany.cn/eewiki/dzjczs/820922-09.html" rel="next"><span class="meta-nav"><span class="post-nav">下一篇 <i class="fa fa-angle-right"></i></span><br/>LED矩阵管理器赋能高密度汽车智能安全前照灯系统</span></a> <div class="clear"></div> </nav> <nav class="navigation post-navigation" role="navigation" aria-label="文章"> <h2 class="screen-reader-text">文章导航</h2> <div class="nav-links"><div class="nav-previous"><a href="https://news.eeany.cn/news/jinriguanz/820902-50.html" rel="prev"><span class="meta-nav-r" aria-hidden="true"><i class="fa fa-angle-left"></i></span></a></div><div class="nav-next"><a href="https://news.eeany.cn/eewiki/dzjczs/820922-09.html" rel="next"><span class="meta-nav-l" aria-hidden="true"><i class="fa fa-angle-right"></i></span></a></div></div> </nav> </main> </div> <div id="sidebar" class="widget-area"> <div class="wow fadeInUp" data-wow-delay="0.5s"> <aside id="search-2" class="widget widget_search"><div id="searchbar"> <form method="get" id="searchform" action="https://news.eeany.cn/"> <input type="text" value="" name="s" id="s" placeholder="输入搜索内容" required /> <button type="submit" id="searchsubmit">搜索</button> </form> </div><div class="clear"></div></aside> <aside id="recent-posts-2" class="widget widget_recent_entries"> <h3 class="widget-title"><i class="fa fa-bars"></i>最近文章</h3> <ul> <li> <a href="https://news.eeany.cn/news/jinriguanz/822303-28.html">国际电子电路（深圳）展览会HKPCA Show下周三开幕</a> <span class="post-date">2024年11月29日</span> </li> <li> <a href="https://news.eeany.cn/news/jinriguanz/822291-47.html">国际电子电路（深圳）展览会（HKPCA Show）12月4-6日举办</a> <span class="post-date">2024年11月29日</span> </li> <li> <a href="https://news.eeany.cn/application/jiswike/822284-41.html">新一代电源质量监控技术——帮助工业设备保持良好状态</a> <span class="post-date">2024年11月29日</span> </li> <li> <a href="https://news.eeany.cn/news/jinriguanz/822282-35.html">罗克韦尔自动化与微软达成共同愿景，携手推进工业转型</a> <span class="post-date">2024年11月29日</span> </li> <li> <a href="https://news.eeany.cn/exhibition/822272-41.html">国际电子电路（深圳）展览会（HKPCA Show）12月4-6日举办</a> <span class="post-date">2024年11月29日</span> </li> <li> <a href="https://news.eeany.cn/exhibition/822261-11.html">国际电子电路（深圳）展览会HKPCA Show下周三开幕</a> <span class="post-date">2024年11月29日</span> </li> <li> <a href="https://news.eeany.cn/exhibition/822244-45.html">抢占西迁潮下的川渝“芯”红利！必来第七届全球半导体产业（重庆）博览会！</a> <span class="post-date">2024年11月29日</span> </li> <li> <a href="https://news.eeany.cn/exhibition/822234-05.html">圆满落幕——第十三届国际汽车工业4.0峰会（11月27-28日，合肥包河）</a> <span class="post-date">2024年11月29日</span> </li> <li> <a href="https://news.eeany.cn/news/jinriguanz/822230-30.html">瑞萨推出高性能四核应用处理器，增强工业以太网与多轴电机控制解决方案阵容</a> <span class="post-date">2024年11月26日</span> </li> <li> <a href="https://news.eeany.cn/news/jinriguanz/822227-29.html">Vishay推出采用eSMP®系列SMF（DO-219AB）封装的全新1 A和2 A Gen 7 1200V FRED Pt®超快恢复整流器</a> <span class="post-date">2024年11月26日</span> </li> <li> <a href="https://news.eeany.cn/news/jinriguanz/822224-24.html">贸泽电子开售能为电动汽车牵引逆变器提供可扩展性能的</a> <span class="post-date">2024年11月26日</span> </li> <li> <a href="https://news.eeany.cn/news/jinriguanz/822221-10.html">Littelfuse推出高性能超级结X4-Class 200V功率MOSFET</a> <span class="post-date">2024年11月26日</span> </li> <li> <a href="https://news.eeany.cn/news/jinriguanz/822217-48.html">恩智浦发布首个超宽带无线电池管理系统解决方案</a> <span class="post-date">2024年11月25日</span> </li> <li> <a href="https://news.eeany.cn/news/jinriguanz/822214-02.html">贸泽开售用于机器人和机器视觉的STMicroelectronics B-CAMS-IMX模块</a> <span class="post-date">2024年11月25日</span> </li> <li> <a href="https://news.eeany.cn/news/jinriguanz/822211-33.html">意法半导体披露2027-2028 年财务模型及2030年目标实现路径</a> <span class="post-date">2024年11月22日</span> </li> </ul> <div class="clear"></div></aside> </div> <div class="sidebar-roll"> <aside id="related_post-3" class="widget widget_related_post"><h3 class="widget-title"><i class="fa fa-bars"></i>相关文章</h3> <div id="related_post_widget"> <ul> <li><a href="https://news.eeany.cn/eewiki/dzjczs/822158-07.html">问题：如果DC-DC器件具有两个输出，但用作单路两相输出，这会如何影响软启动时序？</a></li> <li><a href="https://news.eeany.cn/eewiki/dzjczs/821620-50.html">ADI公司如何让IO-LINK和工业以太网在智能工厂车间通信</a></li> <li><a href="https://news.eeany.cn/eewiki/dzjczs/821540-48.html">Bluetooth®核心规范v5.1 是蓝牙技术发展的一个重大进步，尤其是其测向功能。这一功能提高了定位服务的精度，对室内导航和资产跟踪等应用至关重要。</a></li> <li><a href="https://news.eeany.cn/eewiki/dzjczs/821402-26.html">实现不间断能源的智能备用电池第四部分：BBU架的操作</a></li> <li><a href="https://news.eeany.cn/eewiki/dzjczs/820943-12.html">意法半导体推出FIPS 140-3认证TPM加密模块，面向计算机、服务器和嵌入式系统</a></li> </ul> </div> <div class="clear"></div></aside> </div> <div class="wow fadeInUp" data-wow-delay="0.5s"> <aside id="cx_tag_cloud-3" class="widget widget_cx_tag_cloud"><h3 class="widget-title"><i class="fa fa-bars"></i>热门标签</h3> <div id="tag_cloud_widget"> <a href="https://news.eeany.cn/tag/qianrus/" class="tag-cloud-link tag-link-57 tag-link-position-1" style="font-size: 14px;">嵌入式</a> <a href="https://news.eeany.cn/tag/%e5%bc%ba%e5%9b%bd%e4%b9%8b%e5%88%97/" class="tag-cloud-link tag-link-75 tag-link-position-2" style="font-size: 14px;">强国之列</a> <a href="https://news.eeany.cn/tag/zigbee/" class="tag-cloud-link tag-link-18 tag-link-position-3" style="font-size: 14px;">ZigBee</a> <a href="https://news.eeany.cn/tag/atmel/" class="tag-cloud-link tag-link-20 tag-link-position-4" style="font-size: 14px;">Atmel</a> <a href="https://news.eeany.cn/tag/ledqudong/" class="tag-cloud-link tag-link-19 tag-link-position-5" style="font-size: 14px;">LED驱动方案</a> <a href="https://news.eeany.cn/tag/%e4%ba%a7%e5%93%81%e5%85%a8%e7%90%83%e5%8f%91%e5%b8%83%e4%bc%9a/" class="tag-cloud-link tag-link-69 tag-link-position-6" style="font-size: 14px;">产品全球发布会</a> <a href="https://news.eeany.cn/tag/%e8%a3%b8%e8%a7%86%e4%b8%89%e7%bb%b4%e4%ba%a7%e5%93%81/" class="tag-cloud-link tag-link-70 tag-link-position-7" style="font-size: 14px;">裸视三维产品</a> <a href="https://news.eeany.cn/tag/%e5%9b%bd%e4%ba%a7%e5%8d%8a%e5%af%bc%e4%bd%93/" class="tag-cloud-link tag-link-74 tag-link-position-8" style="font-size: 14px;">国产半导体</a> <a href="https://news.eeany.cn/tag/circuit-diagram/" class="tag-cloud-link tag-link-29 tag-link-position-9" style="font-size: 14px;">电路图</a> <a href="https://news.eeany.cn/tag/5g/" class="tag-cloud-link tag-link-17 tag-link-position-10" style="font-size: 14px;">5G</a> <a href="https://news.eeany.cn/tag/adi/" class="tag-cloud-link tag-link-21 tag-link-position-11" style="font-size: 14px;">ADI</a> <a href="https://news.eeany.cn/tag/autopilot/" class="tag-cloud-link tag-link-25 tag-link-position-12" style="font-size: 14px;">自动驾驶</a> <a href="https://news.eeany.cn/tag/homekit/" class="tag-cloud-link tag-link-23 tag-link-position-13" style="font-size: 14px;">homekit</a> <a href="https://news.eeany.cn/tag/%e6%9c%b1%e6%97%a5%e5%92%8c/" class="tag-cloud-link tag-link-76 tag-link-position-14" style="font-size: 14px;">朱日和</a> <a href="https://news.eeany.cn/tag/%e5%9b%bd%e4%ba%a7%e8%8a%af%e7%89%87/" class="tag-cloud-link tag-link-73 tag-link-position-15" style="font-size: 14px;">国产芯片</a> <a href="https://news.eeany.cn/tag/blackfincpu/" class="tag-cloud-link tag-link-22 tag-link-position-16" style="font-size: 14px;">Blackfin处理器</a> <a href="https://news.eeany.cn/tag/raspberry-pi/" class="tag-cloud-link tag-link-24 tag-link-position-17" style="font-size: 14px;">树莓派-Raspberry Pi</a> <a href="https://news.eeany.cn/tag/power/" class="tag-cloud-link tag-link-16 tag-link-position-18" style="font-size: 14px;">电源管理</a> <a href="https://news.eeany.cn/tag/%e6%b5%8b%e8%af%95/" class="tag-cloud-link tag-link-78 tag-link-position-19" style="font-size: 14px;">测试</a> <a href="https://news.eeany.cn/tag/sensor-signal/" class="tag-cloud-link tag-link-15 tag-link-position-20" style="font-size: 14px;">传感器信号</a> <div class="clear"></div> </div> <div class="clear"></div></aside> </div> </div> <div class="clear"></div> <div class="clear"></div> </div> <footer id="colophon" class="site-footer" role="contentinfo"> <div class="site-info"> Copyright © 2024 电子通版权所有. 备案号： <a href="https://beian.miit.gov.cn/">京ICP备17050710号-3</a> <span class="add-info"> <script type="text/javascript"> var timestamp = Date.parse(new Date()); var a = document.createElement("a"); var a_Text = document.createTextNode("料号搜索"); a.appendChild(a_Text); a.setAttribute("href","https://news.eeany.cn/search?s="+pns[timestamp%pns.length]) document.getElementById("menu-item-796993").innerHTML=a.outerHTML </script> </span> </div> </footer> <script>window._bd_share_config={"common":{"bdSnsKey":{},"bdText":"","bdMini":"2","bdMiniList":false,"bdPic":"","bdStyle":"1","bdSize":"16"},"share":{"bdSize":16}};with(document)0[(getElementsByTagName('head')[0]||body).appendChild(createElement('script')).src='http://bdimg.share.baidu.com/static/api/js/share.js?v=89860593.js?cdnversion='+~(-new Date()/36e5)];</script> <ul id="scroll"> <div class="log log-no"><li><a class="log-button" title="文章目录"><i class="fa fa-bars"></i></a></li><div class="log-prompt"><div class="log-arrow">文章目录</div></div></div> <li><a class="scroll-h" title="返回顶部"><i class="fa fa-angle-up"></i></a></li> <li><a class="scroll-c" title="评论"><i class="fa fa-comment-o"></i></a></li> <li><a class="scroll-b" title="转到底部"><i class="fa fa-angle-down"></i></a></li> <li class="qqonline"> <div class="online"><a href="javascript:void(0)"><i class="fa fa-qq"></i></a></div> <div class="qqonline-box" style="display: none;"> <div class="qqonline-main"> <div class="nline-wiexin"> <h4>微信</h4> <img title="微信" src="https://news.eeany.cn/wp-content/uploads/2019/07/微信图片_20190719224330.jpg"/> </div> <div class="nline-qq"> <a target=blank href=http://wpa.qq.com/msgrd?V=3&uin=2358200511&Site=QQ&Menu=yes> <i class="fa fa-qq"></i>在线咨询</a> </div></div></div></li> <li><a href="javascript:void(0)" class="qr" title="二维码"><i class="fa fa-qrcode"></i><span class="qr-img"><div id="output"><img class="alignnone"src="https://news.eeany.cn/wp-content/uploads/2019/03/QQ图片20190308221656.jpg" /></div></span></a></li> <script type="text/javascript">$(document).ready(function(){if(!+[1,]){present="table";} else {present="canvas";}$('#output').qrcode({render:present,text:window.location.href,width:"150",height:"150"});});</script> </ul> <script type="text/javascript" src="https://news.eeany.cn/wp-content/themes/begin/js/jquery-ui.min.js"></script> <script type="text/javascript" src="https://news.eeany.cn/wp-content/themes/begin/js/qaptcha.jquery.js"></script> <script type="text/javascript">var QaptchaJqueryPage="https://news.eeany.cn/wp-content/themes/begin/inc/function/qaptcha.jquery.php"</script> <script type="text/javascript">$(document).ready(function(){$('.qaptcha').QapTcha();});</script> <script type='text/javascript' src='https://news.eeany.cn/wp-content/themes/begin/js/superfish.js?ver=2016.06.12' id='superfish-js'></script> <script type='text/javascript' src='https://news.eeany.cn/wp-content/themes/begin/js/3dtag.js?ver=5.7.2' id='3dtag.min-js'></script> <script type="text/javascript">var ias=$.ias({container:"#comments",item:".comment-list",pagination:".scroll-links",next:".scroll-links .nav-previous a",});ias.extension(new IASTriggerExtension({text:'<i class="fa fa-chevron-circle-down"></i>更多',offset: 0,}));ias.extension(new IASSpinnerExtension());ias.extension(new IASNoneLeftExtension({text:'已是最后',}));ias.on('rendered',function(items){$("img").lazyload({effect: "fadeIn",failure_limit: 10});});</script> </body> </html>

CINXE.COM

ADALM2000实验：调谐放大器级 |电子通-应用新知，新电子的助推者 电子通

ADALM2000实验：调谐放大器级 |电子通-应用新知，新电子的助推者电子通