/blogs_/b/analogwirezh-CNTelligent Community 13https://e2echina.ti.com/blogs_/b/analogwire/posts/dp83822-dp83826-ethercatSat, 14 Mar 2026 00:41:42 GMT91561404-af28-475a-b96b-cb6cbaadd097:f6a19dd7-5669-48cb-b56f-777945e28ef6YX Kong0<p>你好，DP83822用于ETHERCAT中通信失败，我并未使用到LED灯，是否可将CRS引脚悬空，<span>pin27为三态模式，用LED_0引脚来指示链路连接状态，将LED_0引脚连接到ET1100的LINK_MII引脚上。是否合理，问题出在哪？</span></p><img src="https://e2echina.ti.com/aggbug?PostID=53310&AppID=102&AppType=Weblog&ContentType=0" width="1" height="1">https://e2echina.ti.com/blogs_/b/analogwire/posts/dp83822-dp83826-ethercatSat, 14 Mar 2026 00:33:47 GMT91561404-af28-475a-b96b-cb6cbaadd097:f6a19dd7-5669-48cb-b56f-777945e28ef6YX Kong0<p>你好，DP83822用于ETHERCAT中通信失败，我并未使用到LED灯，是否可将CRS引脚悬空，<span>pin27为三态模式，用LED_0引脚来指示链路连接状态，将LED_0引脚连接到ET1100的LINK_MII引脚上。是否合理，问题出在哪？</span></p><img src="https://e2echina.ti.com/aggbug?PostID=53310&AppID=102&AppType=Weblog&ContentType=0" width="1" height="1">https://e2echina.ti.com/blogs_/b/analogwire/posts/dp83822-dp83826-ethercatSat, 14 Mar 2026 00:31:45 GMT91561404-af28-475a-b96b-cb6cbaadd097:f6a19dd7-5669-48cb-b56f-777945e28ef6YX Kong0<p>你好，DP83822用于ETHERCAT中通信失败，我并未使用到LED灯，是否可将CRS引脚悬空，<span>pin27为三态模式，用LED_0引脚来指示链路连接状态，将LED_0引脚连接到ET1100的LINK_MII引脚上。是否合理，问题出在哪？</span></p><img src="https://e2echina.ti.com/aggbug?PostID=53310&AppID=102&AppType=Weblog&ContentType=0" width="1" height="1">https://e2echina.ti.com/blogs_/b/analogwire/posts/51473Fri, 13 Feb 2026 07:45:36 GMT91561404-af28-475a-b96b-cb6cbaadd097:fc44e4b7-46c6-4858-a30b-e86299ae09bauser12236870<p><span>原文请参见:</span><a id="" href="http://e2e.ti.com/blogs_/b/thesignal/archive/2013/05/21/grounding-principles.aspx">http://e2e.ti.com/blogs_/b/thesignal/archive/2013/05/21/grounding-principles.aspx</a>&nbsp;打不开了，请重新分享下原文</p><img src="https://e2echina.ti.com/aggbug?PostID=51473&AppID=102&AppType=Weblog&ContentType=0" width="1" height="1">https://e2echina.ti.com/blogs_/b/analogwire/posts/psrrSat, 08 Nov 2025 17:28:34 GMT91561404-af28-475a-b96b-cb6cbaadd097:be8000cf-36ff-4c52-ad5a-e9a86fed27banafiy na0<p>是否考虑过运放本身失调电压的影响，TYP35uA</p><img src="https://e2echina.ti.com/aggbug?PostID=51602&AppID=102&AppType=Weblog&ContentType=0" width="1" height="1">https://e2echina.ti.com/blogs_/b/analogwire/posts/ldo-psrrWed, 17 Jul 2024 03:36:19 GMT91561404-af28-475a-b96b-cb6cbaadd097:d20f4d8c-ff8d-4508-8615-d063f3d35380Robert Ma1<p>很棒的文章，即使现在看仍然具有很好的参考意义；</p> <p>补充一点注意事项，来源于网络：</p> <ol> <li>测试时应首先使用示波器观察 LDO 输入端交流电压波形是否正常；</li> <li>LDO 电路最好按数据手册，加相应的电容去耦，但使用运放方法测试时，需要去掉 LDO 的输入电容，避免运放不稳定（测试中还是带了0.1uF）；</li> <li>如果使用注入器（如<span>J2120A，特别注意：Bode 100仪器一般配置的为B-WIT 100，此为信号级注入变压器，无法承载大电流，也不适用于PSRR测试</span>），输出电压有衰减，则电压需要适当增加；</li> <li>LDO 的输出负载不要用电子负载提供，建议用功率电阻（实际测试中如果使用电子负载，会引入电子负载的噪声）；</li> <li>输出使用接地弹簧探头以降低噪声；</li> <li>搭配Bode 100测试PSRR更方便，可以获得不同频率的电源抑制比（扫描前采用固定频率，示波器交叉校验）；</li> </ol><img src="https://e2echina.ti.com/aggbug?PostID=52806&AppID=102&AppType=Weblog&ContentType=0" width="1" height="1">https://e2echina.ti.com/blogs_/b/analogwire/posts/d-498510299Mon, 27 May 2024 07:30:33 GMT91561404-af28-475a-b96b-cb6cbaadd097:1e556a5f-2f3c-4435-a284-5f0afb7d8b1fKun Fang0<p>amazing&nbsp;[emoticon:1435ff2429184e17bc948e4f19178e1e]</p><img src="https://e2echina.ti.com/aggbug?PostID=53598&AppID=102&AppType=Weblog&ContentType=0" width="1" height="1">https://e2echina.ti.com/blogs_/b/analogwire/posts/6d7c2529_2d00_e2c7_2d00_43e5_2d00_bb25_2d00_e9b284da3031Thu, 29 Feb 2024 03:32:00 GMT91561404-af28-475a-b96b-cb6cbaadd097:2cf8aa6b-2d72-4b9e-a2bf-5c558dc0485dTizzy0<p><span>代入</span><span>C</span><span>s=10fF，</span><span>R</span><span>f=159.15 kΩ，</span><span>f</span><span>-3dB=10MHz计算出来的GBP应该是1MHz.而不是1G</span></p><img src="https://e2echina.ti.com/aggbug?PostID=53236&AppID=102&AppType=Weblog&ContentType=0" width="1" height="1">https://e2echina.ti.com/blogs_/b/analogwire/posts/51789Mon, 11 Dec 2023 01:41:12 GMT91561404-af28-475a-b96b-cb6cbaadd097:14987cfb-577a-4366-9035-33d32cc55a2c?? ?0<p>The link to the article has expired, and I would like to ask if there is a new linking site</p> <div id="WidgetFloaterPanels" class="LTRStyle" style="text-align:left;"> <div id="WidgetFloater"> <div id="WidgetLogoPanel"><span id="WidgetTranslateWithSpan"><span>TRANSLATE with </span></span> <span id="WidgetCloseButton" title="Exit Translation">x</span></div> <div id="LanguageMenuPanel"> <div class="DDStyle_outer"><span id="__LanguageMenu_header" class="DDStyle">English</span> <div style="text-align:left;"> <div> <div id="__LanguageMenu_popup" class="DDStyle"><a href="#ar">Arabic</a><a href="#he">Hebrew</a><a href="#pl">Polish</a> <a href="#bg">Bulgarian</a><a href="#hi">Hindi</a><a href="#pt">Portuguese</a> <a href="#ca">Catalan</a><a href="#mww">Hmong Daw</a><a href="#ro">Romanian</a> <a href="#zh-CHS">Chinese Simplified</a><a href="#hu">Hungarian</a><a href="#ru">Russian</a> <a href="#zh-CHT">Chinese Traditional</a><a href="#id">Indonesian</a><a href="#sk">Slovak</a> <a href="#cs">Czech</a><a href="#it">Italian</a><a href="#sl">Slovenian</a> <a href="#da">Danish</a><a href="#ja">Japanese</a><a href="#es">Spanish</a> <a href="#nl">Dutch</a><a href="#tlh">Klingon</a><a href="#sv">Swedish</a> <a href="#en">English</a><a href="#ko">Korean</a><a href="#th">Thai</a> <a href="#et">Estonian</a><a href="#lv">Latvian</a><a href="#tr">Turkish</a> <a href="#fi">Finnish</a><a href="#lt">Lithuanian</a><a href="#uk">Ukrainian</a> <a href="#fr">French</a><a href="#ms">Malay</a><a href="#ur">Urdu</a> <a href="#de">German</a><a href="#mt">Maltese</a><a href="#vi">Vietnamese</a> <a href="#el">Greek</a><a href="#no">Norwegian</a><a href="#cy">Welsh</a> <a href="#ht">Haitian Creole</a><a href="#fa">Persian</a> </div> </div> </div> </div> </div> <div id="CTFLinksPanel"><span id="ExternalLinksPanel"><a id="HelpLink" title="Help" href="https://go.microsoft.com/?linkid=9722454" rel="noopener noreferrer" target="_blank"> </a> <a id="EmbedLink" title="Get this widget for your own site"></a> <a id="ShareLink" title="Share translated page with friends"></a> </span></div> <div id="FloaterProgressBar"><span id="ProgressFill"></span></div> </div> <div id="WidgetFloaterCollapsed"><span>TRANSLATE with </span></div> <div id="FloaterSharePanel"> <div id="ShareTextDiv"><span id="ShareTextSpan"> COPY THE URL BELOW </span></div> <div id="ShareTextboxDiv"><!--a id="TwitterLink" title="Share on Twitter"> <img id="TwitterImg" /></a> <a--> <a id="EmailLink" title="Email this translation"></a> </div> <div id="ShareFooter"><span id="ShareHelpSpan"><a id="ShareHelpLink"></a> </span> <span id="ShareBackSpan"><a id="ShareBack" title="Back To Translation"></a> Back</span></div> </div> <div id="FloaterEmbed"> <div id="EmbedTextDiv"><span id="EmbedTextSpan">EMBED THE SNIPPET BELOW IN YOUR SITE</span> <a id="EmbedHelpLink" title="Copy this code and place it into your HTML."></a> </div> <div id="EmbedTextboxDiv"></div> <div id="EmbedNoticeDiv"><span id="EmbedNoticeSpan">Enable collaborative features and customize widget: <a href="http://www.bing.com/widget/translator" rel="noopener noreferrer" target="_blank">Bing Webmaster Portal</a></span></div> <div id="EmbedFooterDiv"><span id="EmbedBackSpan">Back</span></div> </div> </div><img src="https://e2echina.ti.com/aggbug?PostID=51789&AppID=102&AppType=Weblog&ContentType=0" width="1" height="1">https://e2echina.ti.com/blogs_/b/analogwire/posts/d-498510299Wed, 22 Nov 2023 12:49:33 GMT91561404-af28-475a-b96b-cb6cbaadd097:1e556a5f-2f3c-4435-a284-5f0afb7d8b1fShaofeng Luo0<p>手动点赞</p><img src="https://e2echina.ti.com/aggbug?PostID=53598&AppID=102&AppType=Weblog&ContentType=0" width="1" height="1">https://e2echina.ti.com/blogs_/b/analogwire/posts/53549Wed, 25 Oct 2023 02:25:43 GMT91561404-af28-475a-b96b-cb6cbaadd097:2dcb8401-111a-4b48-990b-d875b2ea6935hong guo yu0<p>摄像头雨雾能清除吗</p><img src="https://e2echina.ti.com/aggbug?PostID=53549&AppID=102&AppType=Weblog&ContentType=0" width="1" height="1">https://e2echina.ti.com/blogs_/b/analogwire/posts/tusb9261-usb3-0-sataMon, 16 Oct 2023 11:09:41 GMT91561404-af28-475a-b96b-cb6cbaadd097:a1e6b436-dc59-4516-8776-ca177479af4dHaoyang Xing0<p>擦写若干次之后，我的电脑无法识别到tusb9260 flash burner driver。可能是什么原因？</p><img src="https://e2echina.ti.com/aggbug?PostID=52957&AppID=102&AppType=Weblog&ContentType=0" width="1" height="1">https://e2echina.ti.com/blogs_/b/analogwire/posts/how-to-bring-up-your-jesd204b-linkFri, 14 Jul 2023 01:50:46 GMT91561404-af28-475a-b96b-cb6cbaadd097:26c73e05-18f4-421e-9d2b-0c9d30469206基源 夏0<p>请问一下，关于步骤g中提到的RX端的能接收ILAS序列中A字符的弹性缓冲器是怎么理解的？</p><img src="https://e2echina.ti.com/aggbug?PostID=51826&AppID=102&AppType=Weblog&ContentType=0" width="1" height="1">https://e2echina.ti.com/blogs_/b/analogwire/posts/rs-485-1877239892Mon, 26 Jun 2023 05:48:43 GMT91561404-af28-475a-b96b-cb6cbaadd097:eb825fa0-2801-4d79-8d1c-83f62195b266? ??0<p>你好，请问公式5是否少一个派&Pi;？</p><img src="https://e2echina.ti.com/aggbug?PostID=53579&AppID=102&AppType=Weblog&ContentType=0" width="1" height="1">https://e2echina.ti.com/blogs_/b/analogwire/posts/rs-485-398852768Tue, 06 Jun 2023 10:09:13 GMT91561404-af28-475a-b96b-cb6cbaadd097:2bdb3958-d723-4117-b386-5e07910a129dzy chen0<p>非常感谢分享，建议图片使用清晰的。</p><img src="https://e2echina.ti.com/aggbug?PostID=53578&AppID=102&AppType=Weblog&ContentType=0" width="1" height="1">