{"code":200,"return":true,"data":{"live":[{"id":283,"categoryid":33,"live_data":{"name":"基于高频特性的快速入门EMC分析设计方法","desc":"直播结束后扫码添加助教领取课件直播介绍：","templatetype":2,"authtype":2,"publisherpass":793944,"assistantpass":793944,"foreignpublish":"0","openhostmode":0,"hostloginmode":0,"barrage":"","livestarttime":"2025-06-27 20:00","publishurls":[]},"roomid":"011EEB3D0A75A2B19C33DC5901307461","title":"基于高频特性的快速入门EMC分析设计方法","price":"0.00","thumb":"https:\/\/api.fanyedu.com\/uploads\/image\/ab\/069a61f8f30bba9081f4216ea452b1.jpg","orderby":0,"audit":0,"createtime":"2025-06-26 09:58:57","updatetime":"2026-04-23 16:27:28","desc":"直播结束后扫码添加助教领取课件直播介绍：1小时掌握EMC分析的底层逻辑，彻底搞懂“电磁兼容”到底怎么设计！你还在为EMC问题头疼吗？一堆干扰源、一堆管控措施，却总抓不到重点？这场直播，教你一套“高频视角+三段论” EMC 快速分析法，不看资","content":"<p style=\"text-align:center;\"><font size=\"4\">直播结束后<\/font><\/p><p style=\"text-align:center;\"><font size=\"4\">扫码添加助教<b>领取课件<\/b><\/font><\/p><p style=\"text-align:center;\"><font size=\"4\"><img src=\"https:\/\/api.fanyedu.com\/uploads\/image\/25\/1c41841f13c31cd5c1230e8428a7dc.png\" alt=\"1c41841f13c31cd5c1230e8428a7dc.png\" width=\"163\" height=\"163\" \/><\/font><\/p><p><font size=\"4\"><br \/><\/font><\/p><p><font size=\"4\"><b>直播介绍：<\/b><\/font><\/p><font size=\"4\">1小时掌握EMC分析的底层逻辑，彻底搞懂“电磁兼容”到底怎么设计！<\/font><font size=\"4\"><br \/><\/font><font size=\"4\">你还在为EMC问题头疼吗？<\/font><font size=\"4\">一堆干扰源、一堆管控措施，却总抓不到重点？<\/font><font size=\"4\">这场直播，教你一套“高频视角+三段论” EMC 快速分析法，<\/font><font size=\"4\">不看资料、不跑仿真，也能快速判断干扰路径和设计缺陷！<\/font><font size=\"4\"><br \/><\/font><font size=\"4\"><br \/><\/font><font size=\"4\"><b>直播大纲：<\/b><\/font><p><font size=\"4\"><b>第一节：EMC的高频特性思维基础<\/b><\/font><\/p><font size=\"4\">1）为什么说EMC问题本质是“高频信号管理问题”？<\/font><font size=\"4\">2）高频环境下，电磁干扰是怎么形成的？<\/font><font size=\"4\"><br \/><\/font><font size=\"4\"><b>第二节：导线的高频等效电路图<\/b><\/font><font size=\"4\">1）普通一根线，高频下却“藏满地雷”？<\/font><font size=\"4\">2）等效模型一看就懂！<\/font><font size=\"4\"><br \/><\/font><font size=\"4\"><b>第三节：三段论 EMC 快速分析法（独家思维模型）<\/b><\/font><font size=\"4\">1）高频特性认知<\/font><font size=\"4\">2）回流路径判断<\/font><font size=\"4\">3）电压容限评估<\/font><font size=\"4\">→ 用“结构化思维”，拆解复杂EMC问题！<\/font><font size=\"4\"><br \/><\/font><font size=\"4\"><b>第四节：实战案例讲解——三段论分析法如何落地？<\/b><\/font><font size=\"4\">真实设计案例，现场带你分析干扰源&对策逻辑<\/font><font size=\"4\"><br \/><\/font><font size=\"4\"><b>第五节：<\/b>课后自检——这套方法，是否也适合你？<\/font><font size=\"4\"><b><br \/><\/b><\/font><font size=\"4\"><br \/><\/font><font size=\"4\"><b>直播亮点：<\/b><\/font><font size=\"4\">✅ 工程化思维总结：三段论=分析框架+经验窍门<\/font><font size=\"4\">✅ 0门槛入门EMC：听得懂、记得住、用得上<\/font><font size=\"4\">✅ 1小时重构你的EMC认知模型<\/font><font size=\"4\">✅ 不是“EMC百科全书”，而是“方法论工具包”！<\/font><font size=\"4\"><br \/><\/font><br \/>","views":5956,"uid":144040,"tags":["EMC","电磁兼容","高频","电磁干扰","安规"],"status":2,"reject":null,"playstatus":3,"playtime":"2025-06-27 20:00:00","count":1,"comments":0,"likes":1,"collects":6,"hasreplay":1,"deletetime":null,"isnotify":0,"isgiveintegral":1},{"id":282,"categoryid":16,"live_data":{"name":"反激电源TL431+光耦反馈参数计算全解析","desc":"直播结束后扫码添加助教领取课件直播介绍：","templatetype":2,"authtype":2,"publisherpass":622800,"assistantpass":622800,"foreignpublish":"0","openhostmode":0,"hostloginmode":0,"barrage":"","livestarttime":"2025-06-13 20:00","publishurls":[]},"roomid":"1C2E8CE3013989A69C33DC5901307461","title":"反激电源TL431+光耦反馈参数计算全解析","price":"0.00","thumb":"https:\/\/api.fanyedu.com\/uploads\/image\/6a\/02fabcfba43b640b6802fdde12c4a1.jpg","orderby":0,"audit":0,"createtime":"2025-06-11 17:38:11","updatetime":"2026-04-23 18:43:26","desc":"直播结束后扫码添加助教领取课件直播介绍：随着电源技术和能源技术的发展，反激开关电源在100W以内的领域占据主导地位。其主流控制方式是变压器隔离副边反馈控制。因此，掌握逆变技术势在必行。直播大纲：1：TL431+ PC817规格书解读2：电压","content":"<p style=\"text-align:center;\"><font size=\"4\">直播结束后<\/font><\/p><p style=\"text-align:center;\"><font size=\"4\">扫码添加助教<b>领取课件<\/b><\/font><\/p><p style=\"text-align:center;\"><font size=\"4\"><img src=\"https:\/\/api.fanyedu.com\/uploads\/image\/25\/1c41841f13c31cd5c1230e8428a7dc.png\" alt=\"1c41841f13c31cd5c1230e8428a7dc.png\" width=\"183\" height=\"183\" \/><\/font><\/p><p><font size=\"4\"><br \/><\/font><\/p><p><font size=\"4\"><b>直播介绍：<\/b><\/font><\/p><p><font size=\"4\">随着电源技术和能源技术的发展，反激开关电源在100W以内的领域占据主导地位。其主流控制方式是变压器隔离副边反馈控制。因此，掌握逆变技术势在必行。<\/font><\/p><p><font size=\"4\"><br \/><\/font><\/p><p><font size=\"4\"><b>直播大纲：<\/b><\/font><\/p><p><font size=\"4\">1：TL431+ PC817规格书解读<br \/>2：电压反馈电阻计算取值<br \/>3：光耦的电流输出曲线工作点设置<br \/>4：TL431+光耦偏置电阻的计算<br \/>5：电压波动占空比整体调节变化<br \/><\/font><\/p><p><font size=\"4\"><br \/><\/font><\/p><p><font size=\"4\"><b>主要讲了哪些知识点：<\/b><\/font><\/p><p><font size=\"4\">1：TL431器件内部框图和规格书解读<br \/>2：PC817规格书解读<br \/>3：UC384X内部反馈控制逻辑解读<br \/>4：电压反馈电阻计算取值<br \/>5：TL431+光耦偏置电阻的计算<br \/>6：光耦的电流输出曲线工作点设置<br \/>7：电压环两种经典反馈电路介绍<br \/>8：电压波动，占空比控制的整体调节<br \/><\/font><\/p><p><font size=\"4\"><br \/><\/font><\/p><p><font size=\"4\"><b>能掌握哪些内容：<\/b><\/font><\/p><p><font size=\"4\">1：掌握TL431+PC817器件特性<br \/>2：掌握TL431+PC817反馈的调节原理<br \/>3：TL431+PC817外围参数计算 <br \/>4：掌握UC384X内部框图反馈调节思路<br \/>5：反馈参数计算取值需要验算<br \/>6：能读懂PC817电流传输曲线图<br \/><\/font><\/p><p><img src=\"https:\/\/api.fanyedu.com\/uploads\/image\/b7\/a3c975d82aa5628952e6886902bf76.png\" alt=\"a3c975d82aa5628952e6886902bf76.png\" \/><\/p><p><img src=\"https:\/\/api.fanyedu.com\/uploads\/image\/8c\/669aa5f7b959c82b42e0d8aec3d07d.png\" alt=\"669aa5f7b959c82b42e0d8aec3d07d.png\" \/><\/p><p><img src=\"https:\/\/api.fanyedu.com\/uploads\/image\/b5\/3cfc6cbeaad940bdf773f72934baf4.png\" alt=\"3cfc6cbeaad940bdf773f72934baf4.png\" \/><\/p>","views":5079,"uid":2286,"tags":["反激电源","开关电源","光耦","TL431","变压器"],"status":2,"reject":null,"playstatus":3,"playtime":"2025-06-13 20:00:00","count":1,"comments":0,"likes":1,"collects":14,"hasreplay":1,"deletetime":null,"isnotify":0,"isgiveintegral":1},{"id":281,"categoryid":6,"live_data":{"name":" Allegro 6层实战直播 RK3576主板全流程解析","desc":"直播结束后扫码添加助教领取课件【直播介绍","templatetype":2,"authtype":2,"publisherpass":994211,"assistantpass":994211,"foreignpublish":"0","openhostmode":0,"hostloginmode":0,"barrage":"","livestarttime":"2025-04-11 20:00","publishurls":[]},"roomid":"BDA160DB812C47B19C33DC5901307461","title":" Allegro 6层实战直播 RK3576主板全流程解析","price":"0.00","thumb":"https:\/\/api.fanyedu.com\/uploads\/image\/c4\/6830fdc91e2ba1a50d4ce4ae68254a.jpg","orderby":0,"audit":0,"createtime":"2025-03-31 17:45:16","updatetime":"2026-04-23 15:03:15","desc":"直播结束后扫码添加助教领取课件【直播介绍】：4月11日晚（20:00）起，每周五连续6期直播课，由黄勇老师讲授系列课程：6层RK3576主板全流程实战核心设计解析，本期为第一节直播课。本系列直播课程基于全新的软件Allegro24.1，将带","content":"<p style=\"text-align:center;\"><font size=\"4\">直播结束后<\/font><\/p><p style=\"text-align:center;\"><font size=\"4\">扫码添加助教<b>领取课件<\/b><\/font><\/p><p style=\"text-align:center;\"><img src=\"https:\/\/api.fanyedu.com\/uploads\/image\/25\/1c41841f13c31cd5c1230e8428a7dc.png\" width=\"230\" height=\"230\" alt=\"1c41841f13c31cd5c1230e8428a7dc.png\" \/><\/p><p style=\"text-align:center;\"><font size=\"4\"> <\/font><\/p><p><font size=\"4\"><b>【直播介绍】：<\/b><\/font><\/p><p><font size=\"4\">4月11日晚（20:00）起，每周五<b>连续6期<\/b>直播课，由黄勇老师讲授系列课程：<b><font color=\"#c24f4a\">6层<\/font><\/b>RK3576主板全流程实战核心设计解析，本期为第一节直播课<strong>。<\/strong><\/font><\/p><p><font size=\"4\"><strong><br \/><\/strong><\/font><\/p><p><font size=\"4\">本系列直播课程基于全新的软件Allegro24.1，将带你深入解析 <strong><font color=\"#c24f4a\">6层RK3576主板设计<\/font><\/strong> 的核心要点，从项目规划到完整设计流程，帮助你掌握高速PCB设计的关键技能！重点讲解 <strong><font color=\"#c24f4a\">整板设计优化与验证<\/font><\/strong>，包括<font color=\"#c24f4a\"> <strong>电源完整性（PI）、信号完整性（SI）、高速信号布线、射频电路设计及常见问题排查<\/strong><\/font>，确保设计达到工业级标准。<strong><br \/><\/strong><\/font><\/p><p><br \/><\/p><p><font size=\"4\"><b>【分享有礼，惊喜不停】<\/b><br \/>\n只需连续六场直播都将海报图文转发至朋友圈，即可轻松领取双重好礼：<\/font><\/p><p><font size=\"4\">✅ <strong>100元凡亿课程无门槛现金抵扣券<\/strong><br \/>\n——可直接用于凡亿官方平台购课，立减100元，学习更省钱！<\/font><\/p><p><font size=\"4\">✅ <strong>凡亿定制多功能小风扇<\/strong><br \/>\n——手持、桌面、支架三合一，夏日必备神器，清凉又实用！<\/font><\/p><p>\n\n\n<\/p><p><font size=\"4\">坚持分享，就是收获！赶紧行动吧，福利等你来拿～<\/font><\/p><p><img src=\"https:\/\/api.fanyedu.com\/uploads\/image\/15\/0f82ce869554ed2e47f03a4b10f005.jpg\" width=\"901\" height=\"450\" alt=\"0f82ce869554ed2e47f03a4b10f005.jpg\" \/><font size=\"4\"><br \/><\/font><\/p><p><br \/><\/p><p><font size=\"4\"><b>【直播竞答 · 好礼送不停】<\/b><br \/>\n观看直播，即有机会参与<strong>有奖答题环节<\/strong>！答对问题，就能把精美好礼带回家<\/font><\/p><p><font size=\"4\">🏆 奖品包含：<br \/><\/font>✅<font size=\"4\"><strong>凡亿定制多功能小风扇<\/strong>（手持｜桌面｜支架三用）<br \/><\/font>✅ <font size=\"4\"><strong>30CM PCB工程师专用沉金直尺<\/strong>，实用又有范！<\/font><\/p><p>\n\n<\/p><p><font size=\"4\"> 所有奖品 <strong>包邮到家<\/strong><\/font><\/p><p><img src=\"https:\/\/api.fanyedu.com\/uploads\/image\/e5\/87caecffc6eb813c7855f48c4f848c.jpg\" width=\"866\" height=\"433\" alt=\"87caecffc6eb813c7855f48c4f848c.jpg\" \/><font size=\"4\"><br \/><br \/><\/font><\/p><p><font size=\"4\"><img src=\"https:\/\/api.fanyedu.com\/uploads\/image\/f8\/049a4bea21248b22d9239e83a93bd0.png\" alt=\"049a4bea21248b22d9239e83a93bd0.png\" width=\"1152\" height=\"418\" \/><\/font><\/p><p><img src=\"https:\/\/api.fanyedu.com\/uploads\/image\/8c\/7eac53eb227ebcd292d0f8d5659c0e.png\" alt=\"7eac53eb227ebcd292d0f8d5659c0e.png\" \/><\/p><p><img src=\"https:\/\/api.fanyedu.com\/uploads\/image\/1b\/2cd5abbfef4edb0d664e7229ed7c64.png\" alt=\"2cd5abbfef4edb0d664e7229ed7c64.png\" \/><\/p>","views":14425,"uid":75,"tags":["RK3576","主板设计","电源完整性","高速信号","布局布线"],"status":2,"reject":null,"playstatus":3,"playtime":"2025-05-23 20:00:00","count":6,"comments":2,"likes":7,"collects":52,"hasreplay":1,"deletetime":null,"isnotify":0,"isgiveintegral":1},{"id":280,"categoryid":5,"live_data":{"name":"手机20W PD快充Layout全流程解析","desc":"直播结束后扫码添加助教领取课件直播介绍：","templatetype":2,"authtype":2,"publisherpass":935644,"assistantpass":935644,"foreignpublish":"0","openhostmode":0,"hostloginmode":0,"barrage":"","livestarttime":"2025-03-21 20:00","publishurls":[]},"roomid":"76AE7BA5367B87FE9C33DC5901307461","title":"手机20W PD快充Layout全流程解析","price":"0.00","thumb":"https:\/\/api.fanyedu.com\/uploads\/image\/c8\/3eb3c54ef5baa8460f926ec5e5d82b.jpg","orderby":0,"audit":0,"createtime":"2025-03-20 14:53:48","updatetime":"2026-04-23 18:42:41","desc":"直播结束后扫码添加助教领取课件直播介绍：本次直播将深入解析手机20W PD快充的Layout设计关键点，涵盖从原理图分析到实际布线的完整流程。我们将讲解安规要求、布局与布线技巧，并通过实操演示，让你掌握高效的PCB设计方法，助力快充方案落地","content":"<p style=\"text-align:center;\">直播结束后<\/p><p style=\"text-align:center;\">扫码添加助教<b>领取课件<\/b><\/p><p style=\"text-align:center;\"> <img src=\"https:\/\/api.fanyedu.com\/uploads\/image\/01\/da3e2d7916fccb45c766851939a87a.png\" alt=\"da3e2d7916fccb45c766851939a87a.png\" \/><\/p><p><br \/><\/p><p><font size=\"4\"><b>直播介绍：<\/b><br \/><span style=\"font-weight:normal;\">本次直播将深入解析手机20W PD快充的Layout设计关键点，涵盖从原理图分析到实际布线的完整流程。我们将讲解安规要求、布局与布线技巧，并通过实操演示，让你掌握高效的PCB设计方法，助力快充方案落地。<\/span><\/font><\/p><p><font size=\"4\"><br \/><b>直播大纲：<\/b><br \/><b>1、20W PD快充原理图解析 <\/b><span style=\"font-weight:normal;\">—— 关键电路模块与工作原理剖析<\/span><br \/><b>2、安规设计讲解 <\/b><span style=\"font-weight:normal;\">—— 满足快充安全标准的设计要点<\/span><br \/><b>3、PCB布局技巧<\/b> <span style=\"font-weight:normal;\">—— 关键器件摆放原则与优化策略<\/span><br \/><b>4、PCB布线要点<\/b> <span style=\"font-weight:normal;\">—— 高速信号、电源走线及EMC优化<\/span><br \/><b>5、Layout实操演示<\/b><span style=\"font-weight:normal;\"> —— 基于案例完成完整PCB设计<\/span><br \/><\/font><\/p><img src=\"https:\/\/api.fanyedu.com\/uploads\/image\/ee\/05a8836d940698508b38ed0d5e99ee.png\" alt=\"05a8836d940698508b38ed0d5e99ee.png\" \/><br \/><img src=\"https:\/\/api.fanyedu.com\/uploads\/image\/ed\/dae352b66a6b4cf381f08d38796fc3.png\" alt=\"dae352b66a6b4cf381f08d38796fc3.png\" 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style=\"font-size:18px;\">【课程目标】：<\/span><\/strong><\/span><\/p><p><span style=\"font-size:18px;\">本课程目标是让大家对鸿蒙的创新和AIoT智能硬件有更深入理解。<\/span><\/p><p><span style=\"font-size:18px;\"><br \/><\/span><\/p><p><span style=\"color:rgb(255,0,0);\"><strong><span style=\"font-size:18px;\">【课程简介】：<\/span><\/strong><\/span><\/p><p><span style=\"font-size:18px;\">本课程首先讲解操作系统的发展和竞争关键点，然后讲了鸿蒙如何助力解决AIoT智能硬件行业的困难，通过这些讲解向大家展示了鸿蒙为什么值得被称为是“划时代的产品”。<\/span><\/p><p><br \/><\/p><p><span style=\"font-size:18px;\">本课程隶属于《跟朱老师学鸿蒙系列课程》的第1个课程。该系列课程是朱有鹏老师规划和录制的系统学习鸿蒙系统HarmonyOS的系列课程，会持续更新不断深入。前面课程主要是鸿蒙相关的科普和技术介绍、生态战略介绍、鸿蒙创新特性介绍、典型案例讲解和分析等。后面会逐步深入到纯技术学习课程，涉及到鸿蒙开发的各个方向，包括但不限于：鸿蒙北向应用开发（环境搭建、编程基础、常用API、手把手demo实战、开发者申请、签名app并上传应用市场等）、鸿蒙南向系统开发（liteos-m和liteos-a kernel源码分析、移植、调试等）、鸿蒙南向驱动开发（HDF框架解析、鸿蒙设备树、常见设备驱动模型分析和驱动编程实战，如GPIO、I2C、LCD、TP等）、鸿蒙系统创新开发（如分布式软总线解析、跨设备调用实战、安全子系统详解、鸿蒙AI子系统等）。总之，该课程会贯彻朱老师一贯做课习惯，会是一个零基础起步，长篇大论，不断更新和添加丰富完善，带大家从应用到系统到驱动，非常完整全面的学习和解析鸿蒙系统的一套课程。<\/span><\/p>","orderby":0,"categoryid":31,"status":1,"keywords":"HarmonyOS","thumb":"https:\/\/api.fanyedu.com\/public\/uploads\/image\/course\/20200912\/65c1cf82e7a0769c240d86a0cb165ac9.jpg","buycount":2,"count":7,"likes":0,"views":4604,"comments":0,"collects":0,"reject":"","invite":0,"createtime":"2020-09-12 16:53:48","updatetime":"2026-04-23 10:28:51","deletetime":null,"tags":["HarmonyOS","鸿蒙"],"annex":{"type":"0"},"hot":0,"isgiveintegral":0,"ipaid":"course_99","ipaprice":"9.90"},{"id":21522,"uid":24529,"title":"780分钟学Allegro ST_LINK全套PCB设计教程","desc":"","price":"9.90","content":"<p><img src=\"https:\/\/api.fanyedu.com\/uploads\/image\/17\/12af93325107d3b8a7d1c83a29c5c5.jpg\"\/><br\/><\/p><p><img src=\"https:\/\/api.fanyedu.com\/uploads\/image\/dd\/4e53c7028ff03c07788d921cf1ddf7.png\" alt=\"4e53c7028ff03c07788d921cf1ddf7.png\"\/><\/p><p><img src=\"https:\/\/api.fanyedu.com\/uploads\/image\/44\/c39d2d58e18a57d04bf0b0138646d7.png\" alt=\"c39d2d58e18a57d04bf0b0138646d7.png\"\/><\/p><p><img src=\"https:\/\/api.fanyedu.com\/uploads\/image\/c2\/0c534708abfd7b5649563315894325.png\" alt=\"0c534708abfd7b5649563315894325.png\"\/><\/p><p><img src=\"https:\/\/api.fanyedu.com\/uploads\/image\/fb\/31c14ae496f7a9daccb1fa7f6490da.png\" alt=\"31c14ae496f7a9daccb1fa7f6490da.png\"\/><\/p><p><img src=\"https:\/\/api.fanyedu.com\/uploads\/image\/c7\/38f9ebb1870fa3280a4d76ff222b31.png\" alt=\"38f9ebb1870fa3280a4d76ff222b31.png\"\/><\/p>","orderby":0,"categoryid":6,"status":2,"keywords":null,"thumb":"https:\/\/api.fanyedu.com\/uploads\/image\/05\/b95bcdc3167157dce3cecd90a9a1e3.jpg","buycount":11,"count":53,"likes":2,"views":2928,"comments":1,"collects":3,"reject":null,"invite":0,"createtime":"2024-01-02 14:44:38","updatetime":"2026-04-23 16:25:12","deletetime":null,"tags":["原理图库","PCB库","ST_LINK","PCB布线","PCB布局"],"annex":{"type":"0","url":"","pwd":""},"hot":0,"isgiveintegral":1,"ipaid":"course_99","ipaprice":"9.90"},{"id":20978,"uid":24980,"title":"示波器新手入门课程","desc":"内容介绍：实物展示：结合示波器实物讲解，更直接，更生动通熟易懂：实物演示教学，抛开繁琐的文字解释，更简单，更易学快捷实用：精讲示波器重点功能，更快捷，更实用示波器探头的使用方式示波器的常用功能键介绍示波器的触发功能示波器的采样及显示功能","price":"2.88","content":"<p><font size=\"4\"><b>内容介绍：<\/b><\/font><\/p><p><font size=\"4\">实物展示：结合示波器实物讲解，更直接，更生动<br \/>通熟易懂：实物演示教学，抛开繁琐的文字解释，更简单，更易学<br \/>快捷实用：精讲示波器重点功能，更快捷，更实用<\/font><\/p><p><font size=\"4\"><br \/><\/font><\/p><p style=\"text-align:center;\"><font size=\"4\"><b>示波器探头的使用方式<\/b><\/font><\/p><p><img src=\"https:\/\/api.fanyedu.com\/uploads\/image\/cb\/e8810aa78abf659e758360b5123ac2.png\" alt=\"e8810aa78abf659e758360b5123ac2.png\" \/><font size=\"4\"><br \/><\/font><\/p><p style=\"text-align:center;\"><font size=\"4\"><b>示波器的常用功能键介绍<\/b><\/font><\/p><p><img src=\"https:\/\/api.fanyedu.com\/uploads\/image\/86\/3942676ab96336fc1919fab63370ca.png\" alt=\"3942676ab96336fc1919fab63370ca.png\" \/><\/p><p style=\"text-align:center;\"><font size=\"4\"><b>示波器的触发功能<\/b><\/font><\/p><p><img src=\"https:\/\/api.fanyedu.com\/uploads\/image\/a0\/444d87e8ebe52f560a3464f69b1a1c.png\" alt=\"444d87e8ebe52f560a3464f69b1a1c.png\" \/><\/p><p style=\"text-align:center;\"><font size=\"4\"><b>示波器的采样及显示功能<\/b><\/font><\/p><p><img src=\"https:\/\/api.fanyedu.com\/uploads\/image\/09\/81cd9653b5a01966ef53ad9e030b5c.png\" alt=\"81cd9653b5a01966ef53ad9e030b5c.png\" 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alt=\"新能源汽车原理与结构课程@凡科快图.jpg\"\/><\/p><p><br\/><\/p>","orderby":0,"categoryid":13,"status":2,"keywords":"新能源电动汽车原理与结构","thumb":"https:\/\/api.fanyedu.com\/public\/uploads\/image\/course\/20200524\/26b44de7a7acd43d552c7b0d4267fc0c.jpg","buycount":21,"count":26,"likes":0,"views":5764,"comments":0,"collects":2,"reject":"","invite":0,"createtime":"2020-05-10 15:06:31","updatetime":"2026-04-23 00:55:33","deletetime":null,"tags":["原理与结构","新能源汽车","电动汽车"],"annex":null,"hot":0,"isgiveintegral":0,"ipaid":"course_999","ipaprice":"99.90"},{"id":20552,"uid":58261,"title":"凡亿90天HarmonyOS鸿蒙系统开发应用培训入门到精通视频课程教程","desc":"","price":"4499.00","content":"<p><img src=\"https:\/\/api.fanyedu.com\/public\/uploads\/ueditor\/image\/20211111\/1636616597654877.jpg\" alt=\"1636616597654877.jpg\" \/><img src=\"https:\/\/api.fanyedu.com\/public\/uploads\/ueditor\/image\/20211111\/1636616603363532.jpg\" alt=\"1636616603363532.jpg\" \/><img src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/3973574827\/O1CN01pLSkR11lWoWq8NAl3_!!3973574827.jpg\" alt=\"O1CN01pLSkR11lWoWq8NAl3_!!3973574827.jpg\" \/><img src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/3973574827\/O1CN01cVdrXU1lWoWr9FX9c_!!3973574827.jpg\" alt=\"O1CN01cVdrXU1lWoWr9FX9c_!!3973574827.jpg\" \/><img src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/3973574827\/O1CN01axMeA31lWoWrqkvdT_!!3973574827.jpg\" alt=\"O1CN01axMeA31lWoWrqkvdT_!!3973574827.jpg\" \/><img src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/3973574827\/O1CN01HvoQSD1lWoWr9FCMr_!!3973574827.jpg\" alt=\"O1CN01HvoQSD1lWoWr9FCMr_!!3973574827.jpg\" \/><img src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/3973574827\/O1CN012mODLe1lWoWr9FnmA_!!3973574827.jpg\" alt=\"O1CN012mODLe1lWoWr9FnmA_!!3973574827.jpg\" \/><img src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/3973574827\/O1CN01qpInbg1lWoWhVKtXm_!!3973574827.jpg\" alt=\"O1CN01qpInbg1lWoWhVKtXm_!!3973574827.jpg\" \/><img src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/3973574827\/O1CN01ZOYJ3l1lWoWlYa6eD_!!3973574827.jpg\" alt=\"O1CN01ZOYJ3l1lWoWlYa6eD_!!3973574827.jpg\" \/><img src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/3973574827\/O1CN01UZRYck1lWoWfLPRIH_!!3973574827.jpg\" alt=\"O1CN01UZRYck1lWoWfLPRIH_!!3973574827.jpg\" \/><img src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/3973574827\/O1CN01ebcLVP1lWoWfLOhZ8_!!3973574827.jpg\" alt=\"O1CN01ebcLVP1lWoWfLOhZ8_!!3973574827.jpg\" \/><img src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/3973574827\/O1CN01hMMkcD1lWoWkHKWwQ_!!3973574827.jpg\" alt=\"O1CN01hMMkcD1lWoWkHKWwQ_!!3973574827.jpg\" \/><img src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/3973574827\/O1CN01vMBu921lWoWlYauWI_!!3973574827.jpg\" alt=\"O1CN01vMBu921lWoWlYauWI_!!3973574827.jpg\" \/><img src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/3973574827\/O1CN01PI6v5F1lWoWpNGM1F_!!3973574827.jpg\" alt=\"O1CN01PI6v5F1lWoWpNGM1F_!!3973574827.jpg\" \/><img src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/3973574827\/O1CN01qOtFse1lWoWoEMerP_!!3973574827.jpg\" alt=\"O1CN01qOtFse1lWoWoEMerP_!!3973574827.jpg\" \/><img src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/3973574827\/O1CN01YkDqbe1lWoWgspBzL_!!3973574827.jpg\" alt=\"O1CN01YkDqbe1lWoWgspBzL_!!3973574827.jpg\" \/><\/p>","orderby":0,"categoryid":31,"status":1,"keywords":"凡亿90天HarmonyOS鸿蒙系统开发应用培训入门到精通视频课程教程","thumb":"https:\/\/api.fanyedu.com\/public\/uploads\/image\/course\/20211111\/5e7b528e7741e2d7a969bee207c437d7.jpg","buycount":0,"count":1,"likes":0,"views":3044,"comments":0,"collects":1,"reject":"","invite":0,"createtime":"2021-11-11 15:43:43","updatetime":"2026-04-23 11:06:33","deletetime":null,"tags":["华为HarmonyOS","鸿蒙操作系统","HarmonyOS 2.0"],"annex":{"type":"0"},"hot":0,"isgiveintegral":0,"ipaid":"course_9999","ipaprice":"4499.00"},{"id":672,"uid":7433,"title":"Allegro四层零基础入门实战pcb视频教程","desc":"1. 掌握运用Allegro软件设计PCB的全部流程  2.掌握Allegro软件绘制PCB中的操作技巧   3.掌握Allegro软件的快捷键运用、提高PCB设计效率   4. 掌握四层板设计过程中电源与地平面的处理方法","price":"88.80","content":"<p style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; line-height: 28px; color: rgb(41, 43, 51); font-family: \"><span style=\"box-sizing: border-box; color: rgb(255, 0, 0);\"><strong style=\"box-sizing: border-box;\">说明：<\/strong><\/span><\/p><p style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; line-height: 28px; color: rgb(41, 43, 51); font-family: \"><span style=\"box-sizing: border-box; color: rgb(255, 0, 0);\"><strong style=\"box-sizing: border-box;\">1、平台上只放了试听部分的课程，可以在本平台下单，之后联系下方助教进行授权全套课程播放<\/strong><\/span><\/p><p style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; line-height: 28px; color: rgb(41, 43, 51); font-family: \"><span style=\"box-sizing: border-box; color: rgb(255, 0, 0);\"><strong style=\"box-sizing: border-box;\">2、可以淘宝平台购买之后进行全套视频授权（点击右侧链接打开淘宝店铺→）：<a href=\"https:\/\/item.taobao.com\/item.htm?spm=a1z10.5-c-s.w4002-21870440440.14.333f6f50Ty8HD6&id=593406012491\" target=\"_blank\" title=\"https:\/\/item.taobao.com\/item.htm?spm=a1z10.5-c-s.w4002-21870440440.14.333f6f50Ty8HD6&amp;id=593406012491\">https:\/\/item.taobao.com\/item.htm?spm=a1z10.5-c-s.w4002-21870440440.14.333f6f50Ty8HD6&amp;id=593406012491<\/a><\/strong><\/span><\/p><p style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; line-height: 28px; color: rgb(41, 43, 51); font-family: \"><span style=\"box-sizing: border-box; color: rgb(255, 0, 0);\"><strong style=\"box-sizing: border-box;\">3、助教联系方式（微信扫一扫添加）：<\/strong><\/span><\/p><p style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; line-height: 28px; color: rgb(41, 43, 51); font-family: \"><img src=\"https:\/\/api.fanyedu.com\/public\/uploads\/ueditor\/image\/20200730\/1596080417690812.png\"\/><img src=\"https:\/\/api.fanyedu.com\/public\/uploads\/ueditor\/image\/20200810\/1597029566298373.png\" title=\"1597029566298373.png\" alt=\"image.png\"\/><img src=\"https:\/\/api.fanyedu.com\/public\/uploads\/ueditor\/image\/20200810\/1597029587678526.png\" title=\"1597029587678526.png\" alt=\"image.png\"\/><img src=\"https:\/\/api.fanyedu.com\/public\/uploads\/ueditor\/image\/20200810\/1597029612825927.png\" title=\"1597029612825927.png\" alt=\"image.png\"\/><img src=\"https:\/\/api.fanyedu.com\/public\/uploads\/ueditor\/image\/20200810\/1597029629551203.png\" title=\"1597029629551203.png\" alt=\"image.png\"\/><img src=\"https:\/\/api.fanyedu.com\/public\/uploads\/ueditor\/image\/20200810\/1597029641269217.png\"\/><\/p><p style=\"margin-top: 1.12em; margin-bottom: 1.12em; padding: 0px; font-family: tahoma, arial, 宋体, sans-serif; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);\"><img src=\"https:\/\/api.fanyedu.com\/public\/uploads\/ueditor\/image\/20200810\/1597029659986463.png\" class=\"\" width=\"750\" height=\"544\"\/><\/p><p style=\"margin-top: 1.12em; margin-bottom: 1.12em; padding: 0px; font-family: tahoma, arial, 宋体, sans-serif; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);\"><img src=\"https:\/\/api.fanyedu.com\/public\/uploads\/ueditor\/image\/20200810\/1597029721965548.png\" title=\"1597029721965548.png\" alt=\"image.png\"\/><img src=\"https:\/\/api.fanyedu.com\/public\/uploads\/ueditor\/image\/20200810\/1597029735430413.png\" title=\"1597029735430413.png\" alt=\"image.png\"\/><img src=\"https:\/\/api.fanyedu.com\/public\/uploads\/ueditor\/image\/20200810\/1597029758158333.png\" title=\"1597029758158333.png\" alt=\"image.png\"\/><img src=\"https:\/\/api.fanyedu.com\/public\/uploads\/ueditor\/image\/20200810\/1597029773230721.png\" title=\"1597029773230721.png\" alt=\"image.png\"\/><img src=\"https:\/\/api.fanyedu.com\/public\/uploads\/ueditor\/image\/20200810\/1597029789551449.png\" title=\"1597029789551449.png\" alt=\"image.png\"\/><img src=\"https:\/\/api.fanyedu.com\/public\/uploads\/ueditor\/image\/20200804\/1596522517569286.jpg\"\/><img src=\"https:\/\/api.fanyedu.com\/public\/uploads\/ueditor\/image\/20200730\/1596080749754284.jpg\"\/><img src=\"https:\/\/api.fanyedu.com\/public\/uploads\/ueditor\/image\/20200804\/1596522517720216.jpg\"\/><img src=\"https:\/\/api.fanyedu.com\/public\/uploads\/ueditor\/image\/20200804\/1596522518472461.jpg\"\/><img src=\"https:\/\/api.fanyedu.com\/public\/uploads\/ueditor\/image\/20200804\/1596522518860784.jpg\"\/><img src=\"https:\/\/api.fanyedu.com\/public\/uploads\/ueditor\/image\/20200804\/1596522518812769.jpg\"\/><img src=\"https:\/\/api.fanyedu.com\/public\/uploads\/ueditor\/image\/20200804\/1596522518812769.jpg\"\/><\/p><p><img src=\"https:\/\/api.fanyedu.com\/public\/uploads\/ueditor\/image\/20200804\/1596522518523562.jpg\"\/><\/p>","orderby":0,"categoryid":6,"status":2,"keywords":"Allegro实战视频","thumb":"https:\/\/api.fanyedu.com\/public\/uploads\/image\/course\/20200810\/eb34ca98604f448dceb8051ed43ed52c.jpg","buycount":3,"count":1,"likes":0,"views":5841,"comments":0,"collects":7,"reject":"","invite":0,"createtime":"2020-08-10 11:26:16","updatetime":"2026-04-23 04:31:18","deletetime":null,"tags":["Allegro实战视频","allegro教程","Allegro零基础入门"],"annex":null,"hot":0,"isgiveintegral":0,"ipaid":"course_999","ipaprice":"99.90"},{"id":21703,"uid":24529,"title":"【第13期】射频电路实战特训班","desc":"","price":"6999.00","content":"<p><img src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/2207926780982\/O1CN012Ii9OJ1J7ngUQqrtG_!!2207926780982.jpg\" alt=\"O1CN012Ii9OJ1J7ngUQqrtG_!!2207926780982.jpg\" \/><br 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src=\"https:\/\/api.fanyedu.com\/public\/uploads\/ueditor\/image\/20210616\/1623835046619433.jpg\" class=\"\"\/><img src=\"https:\/\/api.fanyedu.com\/public\/uploads\/ueditor\/image\/20210616\/1623835046163390.jpg\" class=\"\"\/><img src=\"https:\/\/api.fanyedu.com\/public\/uploads\/ueditor\/image\/20210616\/1623835046158447.jpg\" class=\"\"\/><img src=\"https:\/\/api.fanyedu.com\/public\/uploads\/ueditor\/image\/20210616\/1623835046913970.jpg\" class=\"\"\/><img src=\"https:\/\/api.fanyedu.com\/public\/uploads\/ueditor\/image\/20210616\/1623835046110498.jpg\" class=\"\"\/><img src=\"https:\/\/api.fanyedu.com\/public\/uploads\/ueditor\/image\/20210616\/1623835046658618.jpg\" class=\"\"\/><\/p>","orderby":0,"categoryid":17,"status":2,"keywords":"射频电路开发设计基础ADS射频前端开发技术实战视频教程 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src=\"https:\/\/api.fanyedu.com\/uploads\/image\/51\/7c7c1da583528c7ec893b72fbf1dbb.png\" alt=\"7c7c1da583528c7ec893b72fbf1dbb.png\" \/><\/p><p>FPGA项目完整开发流程示意<\/p><p>很多人以为把项目经历往简历上一列就完事了，其实完全不是这么回事。我之前帮公司面过不少FPGA工程师，有个很明显的规律：作品集质量高的候选人，面试效率至少高一倍。<\/p><p>原因很简单，FPGA这行太吃动手能力了。你说你\"熟悉DDR控制器\"，那到底是只看过教程，还是真真切切调过约束、遇到过时序违例然后把它修好？这些东西面试官一问就知道。好的作品集就是你的<strong>能力证据链<\/strong>，比简历上干巴巴的文字有说服力多了。<\/p><p>而且说实话，现在简历同质化太严重，十个人里有八个都写\"参与过FPGA开发\"，但作品集一翻，高下立判。<\/p><p>二、高速接口类作品：进大厂的敲门砖<\/p><p>如果你只能选一类作品放进去，我的建议是<strong>高速接口类项目<\/strong>绝对排在第一位。为啥？因为这类项目最能体现工程师的硬核实力。<\/p><p>具体来说，Serdes相关的作品特别吃香，比如JESD204B\/C、PCIe、SRIO这些。我见过一个非常加分的作品集，候选人实现了一个基于Xilinx GTY的万兆以太网数据通路，从MAC层到物理层全流程都有仿真和板级验证。面试官当场就说这个可以聊，整个面试过程特别顺畅。<\/p><p>DDR相关的也是重点，不过这里有个坑要提醒大家：光写\"DDR3\/DDR4控制器调试\"是不够的。你得展示你是怎么解决那些棘手问题的，比如多bank访问的效率优化、读写通道的仲裁设计等等。这些细节才是面试官真正想看的。<\/p><p>按我的经验，这类作品最好能包含<strong>仿真截图、ILA抓取的波形、关键模块的代码架构图<\/strong>。有了这些，面试官想不记住你都难。<\/p><p>三、图像处理类作品：展示综合能力的好舞台<\/p><p><img src=\"https:\/\/api.fanyedu.com\/uploads\/image\/99\/5762755e9dea4b66917fe1a5ef4f49.png\" alt=\"5762755e9dea4b66917fe1a5ef4f49.png\" \/><\/p><p>FPGA作品集核心类别<\/p><p>图像处理类的项目是另一块重头戏，原因很简单——这类项目涉及算法、架构、数据流控制等多个维度，特别能体现一个人的系统设计能力。<\/p><p>ISP Pipeline是一个经典方向，比如实现一个简化版的图像处理流程：去噪->锐化->色彩校正->gamma矫正。这种项目的好处是每个模块都可以独立展示，面试的时候可以顺着数据流讲，逻辑特别清晰。<\/p><p>视频流处理也值得做，比如一个基于AXI-Stream的视频帧缓冲、缩放、叠加项目。这类实现在面试时特别好聊，可以延伸出很多问题：跨时钟域怎么处理的、带宽瓶颈在哪、延迟怎么优化。问得深一点正好展示你的思考深度。<\/p><p>我之前看过一个让我印象特别深的作品，有人用FPGA实现了一个实时的HDR算法处理链路，配合OV5640摄像头采集，处理完直接输出到HDMI显示器。这个从算法概念到实际落地的完整链路，真的比那些只跑过官方Tutorial的人强太多了。<\/p><p>四、通信协议类作品：基本功的体现<\/p><p>这类作品可能不如前面两个\"高大上\"，但绝对是基本功的体现，而且面试必问。<\/p><p>AXI协议的相关实现是必须的，不夸张地说，不懂AXI的FPGA工程师不是好工程师。你至少得能徒手写一个AXI Master或者AXI Slave的示例模块，完整实现握手、数据突发、响应处理这些。我见过不少人面试时被问到AXI的突发长度限制、outstanding能力这些细节就卡壳了，有作品集的话直接拿代码说话。<\/p><p>UART、SPI、I2C这些低速协议看起来简单，但如果你能在作品集里展示一个<strong>完整的协议栈实现<\/strong>——从寄存器定义、中断处理到上层应用接口——那也是加分的。别小看这种\"简单\"项目，越是基础的东西越能看出一个人的工程素养。<\/p><p>PCIe相关的内容如果能做出来，绝对是王炸级别。不过说实话，这类项目难度较高，如果只是调通了官方的参考设计，面试的时候可能反而会被问得很惨。我的建议是如果没有十足把握，宁可把时间花在前面几类作品上。<\/p><p>五、算法实现类作品：展示数学和架构能力<\/p><p>FPGA做算法加速是这行的核心技术之一，这类作品能很好地展示你的算法理解和架构设计能力。<\/p><p>FIR\/IIR滤波器、数字下变频(DDC)、快速傅里叶变换(FFT)这些都是经典。我见过一个做得特别好的例子：用FPGA实现了一个1024点的FFT加速器，配合AXI4-Stream接口，数据从ADC进来、处理、结果出去全流程打满。他还对比展示了流水线和展开两种实现方式的资源与性能差异，这种对比分析的能力让面试官印象非常深刻。<\/p><p>信号处理之外的算法也可以考虑，比如简单的神经网络加速、矩阵运算加速之类的。不过这类项目要谨慎选择，最好是你真的理解原理，不然面试被问到推导过程就尴尬了。<\/p><p>说起来有个坑要提醒：很多人觉得算法实现嘛，把MATLAB或者Python的代码转换成Verilog\/VHDL就行了。其实完全不是，<strong>定点化设计、资源权衡、时序优化<\/strong>这些才是真正的难点，也是面试重点考察的地方。<\/p><p>六、加分作品：综合性项目<\/p><p><img src=\"https:\/\/api.fanyedu.com\/uploads\/image\/f3\/0933022ef68ca4e6acee74a43099ca.png\" alt=\"0933022ef68ca4e6acee74a43099ca.png\" \/><\/p><p>典型FPGA项目架构分层设计<\/p><p>如果你前面的必备作品都有了，那一个综合性的完整项目绝对能让你脱颖而出。<\/p><p>什么叫综合性项目？就是从算法设计、架构规划、RTL实现、仿真验证到板级调试的完整链路。举个例子：一个雷达信号处理的完整数据通路，从波束形成算法、脉冲压缩、恒虚警检测到最终的视频显示。这种项目能展示的不只是你的编码能力，更重要的是<strong>你对整个开发流程的把控<\/strong>。<\/p><p>这种项目在面试的时候特别好讲，因为有头有尾、有数据流、有结果验证。你可以带着面试官走一遍完整的设计思路，这种成体系的思维方式是大厂非常看重的。<\/p><p>七、作品集整理的注意事项<\/p><p>最后聊聊怎么整理作品集，这也是很多人容易忽略的地方。<\/p><p><strong>README文件必须写好<\/strong>。很多作品集代码丢上去，README就一两句话。其实面试官在打开你的仓库之前，第一眼看到的就是README。好的README应该包括：项目背景、功能说明、架构设计、模块划分、使用方法、测试结果这几个部分。写得清晰专业，面试官对你的第一印象就好了一半。<\/p><p><strong>架构图一定要画<\/strong>。哪怕是个简单的模块，你也得能用框图把数据流和控制逻辑表达清楚。我建议用draw.io或者Visio画，图不用多复杂，但关键信号和握手关系要标清楚。<\/p><p><strong>仿真截图要有说服力<\/strong>。Waveform波形图是FPGA工程师的\"实验报告\"，好的仿真截图应该能清晰展示关键时序关系，特别是状态机的跳转、握手机制、边界条件处理这些。<\/p><p>还有一个建议是<strong>控制作品数量，宁精勿滥<\/strong>。我见过有人作品集里堆了十几个项目，结果每个都只有几百行代码，没有一个说得清楚。质量比数量重要，3-5个深入做过的项目远比十几个半吊子项目有说服力。<\/p><p>总结<\/p><p>说了这么多，其实核心就几点：高速接口类项目是敲门砖、图像处理展示综合能力、协议类验证基本功、算法类体现理论功底、综合性项目是加分项。<\/p><p>如果你现在还在校或者刚转行，别想着一口吃成胖子。从一个SPI Master或者UART控制器开始，慢慢做到AXI协议栈，再到高速接口和图像处理，一步一步来。<\/p><p><strong>快速上手建议：<\/strong><br \/>1. 先选定一个高速接口方向（推荐从Serdes或DDR入手）<br \/>2. 完成一个从仿真到板级验证的完整流程<br \/>3. 整理好架构图和README文档<br \/>4. 在GitHub或Gitee上建立作品集仓库<br \/>5. 准备一个2-3分钟的自我介绍，把项目讲清楚<\/p>","keyword":null,"desc":"最近几年FPGA岗位的竞争说实话是越来越卷了，我认识好几个朋友投了大厂的简历，985硕士+项目经历看着挺光鲜，结果一面就被刷下来了。你猜原因是什么？作品集太单薄，或者说压根不知道怎么展示自己的实力。说起来大厂HR看简历的速度是真的快，一份简","tags":["FPGA"],"views":1,"likes":0,"comments":0,"collects":0,"isreprint":0,"reprinturl":null,"reject":null,"invite":0,"createtime":"2026-04-23 17:34:58","updatetime":"2026-04-23 18:13:34","deletetime":null,"orderby":0,"isgiveintegral":1,"istop":0,"day":"23","month":"04"},{"id":123697,"uid":178486,"title":"你的开关电源效率为什么只有85%？问题不在芯片","status":2,"categoryid":16,"thumb":"https:\/\/api.fanyedu.com\/uploads\/image\/00\/52261d04fecbdab2f4d039ec627ff5.png","multiple_thumb":["https:\/\/api.fanyedu.com\/uploads\/image\/00\/52261d04fecbdab2f4d039ec627ff5.png","https:\/\/api.fanyedu.com\/uploads\/image\/13\/ec5b8365a17889fc8c322cf68cc1c8.png","https:\/\/api.fanyedu.com\/uploads\/image\/42\/c84b68707f16123c294d4e45da0657.png"],"content":"一、换芯片也救不了你的电源<p>上周有个学员找我诉苦，说他做了个项目，开关电源效率死活卡在85%上不去。他试了三四款芯片，换了TI的、换了MPS的、甚至还试了国产方案，结果呢？效率纹丝不动。他都快怀疑人生了，觉得是不是自己运气不好。<\/p><p>其实我跟他说，你这不是运气问题，是方向走偏了。**效率低这件事，芯片它真不背锅。** 芯片厂家给的参考设计，效率轻松做到92%、93%甚至更高，那是人家的数据是在标准条件下跑出来的。你拿过来copy一个板子，效率差了七八个点，问题大概率出在你自己画的板子上。<\/p><p>我当年也踩过这坑。刚入行那会儿，做了个BUCK电路，效率只有87%，我第一反应也是换芯片。换了更高频的、换了更低内阻的MOSFET，钱没少花，效率还是那个鸟样。最后才发现，问题出在电感选型和PCB走线上，一顿操作猛如虎，结果被一颗烂电感坑了两三个点。<\/p>二、芯片：我真的尽力了<p>很多人一看到效率低，第一反应就是芯片不行。这种思维惯性太重了。你想想，芯片厂商投入那么多研发资源，他们给出的参考设计能差到哪儿去？人家卖芯片的，肯定得保证你用他们的片子能正常工作吧？<\/p><p>所以当你发现效率不达标的时候，先别急着换芯片。静下心来想想这几个问题：你的电感是不是随便从仓库里扒拉出来的？你的PCB走线是不是按原理图随便连的？你的散热是不是只靠芯片自己扛？<\/p><p>我见过太多人，一个劲儿地对比芯片规格书上的效率曲线，然后抱怨自己买的芯片不争气。但你仔细看规格书，人家那个效率曲线底下密密麻麻写了一堆注释：测试条件是啥、用的什么电感、PCB怎么布局的。**你真的照着做了吗？**<\/p>三、真正的效率杀手，藏在这几个地方1. MOSFET的损耗：导通损耗和开关损耗是两码事<p>MOSFET的损耗分为两部分：**导通损耗**和**开关损耗**。导通损耗好理解，就是电流流过MOSFET的导通电阻产生的热量，这玩意儿跟Rds(on)成正比。开关损耗是啥？就是MOSFET从关断到导通、从导通到关断那个转换过程中，电压和电流重叠产生的损耗。<\/p><p>很多人选MOSFET只看Rds(on)，觉得越低越好。这话本身没错，但你忽略了Qg和Crss这些参数。栅极电荷太大，驱动损耗就高；Cross太大，开关速度就慢，开关损耗就上去了。这两个损耗是矛盾的，你得根据自己电路的工作频率来权衡。<\/p><p>一般来说，**工作频率超过200kHz的，建议选Qg和Crss更低的型号**；频率低一些的，可以侧重Rds(on)。你要是拿着100kHz的电路配了个超低Rds(on)但Qg巨大的MOSFET，效率照样拉胯。<\/p><p><img src=\"https:\/\/api.fanyedu.com\/uploads\/image\/00\/52261d04fecbdab2f4d039ec627ff5.png\" alt=\"52261d04fecbdab2f4d039ec627ff5.png\" \/><\/p><p>▲ GaN FET vs MOSFET 效率对比曲线<\/p>2. 电感选型：直流电阻和磁芯损耗才是关键<p>电感这玩意儿，看着就是个线圈，但讲究的地方多了去了。首先是**DCR（直流电阻）**，这个直接影响导通损耗。你以为电感不耗电？大错特错！电流流过电感线圈，铜线本身就有电阻，这部分损耗是按I²×R算的。你要是用了个DCR 50mΩ的电感，电流5A，光这一项就是1.25W的损耗，恐怖吗？<\/p><p>然后是**磁芯损耗**，这个跟开关频率强相关。频率越高，磁芯损耗越大。你用铁粉芯的电感跑到300kHz，磁芯损耗可能占到你总损耗的三分之一。铁氧体好一点，但也不是万能的，选型的时候一定要看厂家给的磁芯损耗曲线。<\/p><p>还有一点很多人忽略——**电感的饱和电流**。你选了个感量合适但饱和电流刚好卡在临界点的电感，满载的时候电感饱和了，纹波爆炸，效率暴跌。所以电感的饱和电流至少要留20%以上的余量。<\/p>3. 同步整流：能用MOSFET就别用二极管<p>现在BUCK电路用同步整流的越来越多了，但有些人还是坚持用肖特基二极管。你要是追求效率，这事儿没得商量，**必须上同步整流**。肖特基的正向压降0.3V~0.5V，在低压大电流场合，这损耗简直离谱。<\/p><p>同步整流用低Rds(on)的MOSFET替代二极管，压降可以做到几十毫伏，损耗直接降一个数量级。但这里有个坑——**死区时间的控制**。死区时间太短，上下管直通了；死区时间太长，体二极管导通时间太久，效率又上不去。这个参数一般芯片厂家会给建议值，但你还是要根据实际波形微调。<\/p><p><img src=\"https:\/\/api.fanyedu.com\/uploads\/image\/13\/ec5b8365a17889fc8c322cf68cc1c8.png\" alt=\"ec5b8365a17889fc8c322cf68cc1c8.png\" \/><\/p><p>▲ 开关电源PCB布局示意<\/p>4. PCB走线和热设计：被忽视的隐形杀手<p>说了这么多芯片和器件，终于轮到PCB了。这块把我当年坑惨了。我第一版板子，走线又细又长，输入输出环路绕了一大圈，效率直接损失了2%。后来老老实实按照芯片手册推荐的布局重做，效率一下子上来了。<\/p><p>PCB走线的损耗主要来自两个方面：**导线电阻**和**环路电感**。导线电阻好理解，铜皮薄、线窄、距离长，电阻就大。环路电感则是高频开关的噩梦，环路越大，产生的振铃和辐射越严重，还会增加开关损耗。<\/p><p>所以画开关电源PCB的时候，记住这几个原则：VIN、VOUT、SW这些功率环路要**短而粗**；输入电容要**紧靠芯片**；散热焊盘要**铺铜+开孔**，别省那点铜皮；PGND和AGND要**单点连接**，别混在一起。<\/p><p><img src=\"https:\/\/api.fanyedu.com\/uploads\/image\/42\/c84b68707f16123c294d4e45da0657.png\" alt=\"c84b68707f16123c294d4e45da0657.png\" \/><\/p><p>▲ 芯片推荐PCB布局设计示例<\/p>5. 开关频率：不是越高越好<p>很多人觉得开关频率越高，电源就能越小，效率也能更高。这话对了一半。频率高了，磁性元件可以小一点，这是真的。但效率呢？**频率和效率的关系是个抛物线**，有个最优点。<\/p><p>频率太高了，开关损耗急剧增加，还有栅极驱动损耗也跟着涨。我见过有人把一个应该跑100kHz的芯片硬拉到500kHz，结果效率从92%掉到86%，热量还更大了。这不是芯片的问题，是你的用法有问题。<\/p><p>一般来说，10A以上的BUCK电源，开关频率选**100kHz~500kHz**比较合适；10A以下的，可以适当高一些，但也别超过1MHz。功率越大，频率越要往低了走。<\/p>四、BOOST和BUCK是一个道理<p>有人可能会问，你说的都是BUCK电路，BOOST是不是不一样？说实话，原理上确实有区别，但**效率优化的思路是一样的**。BOOST电路里，二极管或者同步整流的损耗更明显，因为电流始终流过那个整流器件。<\/p><p>BOOST还有个特点，输入电流是连续的，但输出电流是断续的。这意味着你电感的选择要更讲究，纹波电流控制不好，效率同样拉胯。另外BOOST的开关节点电压应力高，MOSFET的耐压余量要留够。<\/p><p>LLC谐振电源呢？那就更复杂了。LLC的好处是能实现软开关，开关损耗可以做得非常低。但LLC对参数敏感得很，谐振点跑偏了，效率反而不如硬开关。所以如果你要做LLC，**建议先用仿真软件把工作点跑清楚**，别一上来就蒙着画板子。<\/p>五、看看优化前后的差距<p>说理论太空洞，给你看看实际数据。我手头有个12V输入、3.3V\/5A输出的BUCK模块，优化前后的效率对比：<\/p><p>优化前（问题板）：<br \/>- 普通电感，DCR 35mΩ<br \/>- PCB走线细长，环路大<br \/>- 肖特基二极管整流<br \/>- 效率：84%~86%<\/p><p>优化后（正常板）：<br \/>- 低DCR电感，DCR 8mΩ<br \/>- 优化PCB布局，缩短环路<br \/>- 同步整流MOSFET<br \/>- 效率：91%~93%<\/p><p>看到没？同样的芯片、同样的输入输出条件，就因为外围器件和PCB的差异，效率差了**七八个百分点**。5V\/5A输出就是25W功率，7%的损耗差就是将近2W的热量。你要是做产品，这2W可能就是温升过不过关的分界线。<\/p>六、最后说一句<p>做开关电源，芯片是基础，但**真正的功夫在芯片外面**。电感选型、PCB布局、散热设计、参数调试，这些才是决定你板子最终性能的关键因素。<\/p><p>下次你再做电源效率优化，别一上来就换芯片了。先拿热成像仪或者红外测温枪扫一遍，看看哪个器件发热最严重；再用示波器看看关键节点的波形，有没有振铃、有没有尖峰。**找到瓶颈在哪里，效率提升就是顺理成章的事。**<\/p><p>好了，这期就聊这么多。如果你觉得有用，欢迎转发给身边做硬件的朋友。有什么问题，欢迎在评论区留言，我们一起探讨。<\/p>关于凡亿教育<p>国内领先的电子设计硬件教育培训平台，累计培养120万+工程师，学员就业率98%。提供PCB设计、电源设计、EMC整改等系统课程，助力电子工程师技术成长。<\/p>","keyword":null,"desc":"一、换芯片也救不了你的电源上周有个学员找我诉苦，说他做了个项目，开关电源效率死活卡在85%上不去。他试了三四款芯片，换了TI的、换了MPS的、甚至还试了国产方案，结果呢？效率纹丝不动。他都快怀疑人生了，觉得是不是自己运气不好。其实我跟他说，","tags":["电源优化","MOSFET"],"views":2,"likes":0,"comments":0,"collects":0,"isreprint":0,"reprinturl":null,"reject":null,"invite":0,"createtime":"2026-04-23 17:32:19","updatetime":"2026-04-23 18:16:45","deletetime":null,"orderby":0,"isgiveintegral":1,"istop":0,"day":"23","month":"04"},{"id":123696,"uid":178486,"title":"串并转换的几种实现方式，资源占用和速度怎么平衡","status":2,"categoryid":60,"thumb":"https:\/\/api.fanyedu.com\/uploads\/image\/f0\/7bee2f7467abf0e20c818300781395.png","multiple_thumb":["https:\/\/api.fanyedu.com\/uploads\/image\/f0\/7bee2f7467abf0e20c818300781395.png","https:\/\/api.fanyedu.com\/uploads\/image\/00\/f9d34ae822f1a416040f464ab7dbfb.png","https:\/\/api.fanyedu.com\/uploads\/image\/f6\/d1b739813f072b312361d85b88e089.png"],"content":"<p>说起来，串并转换这玩意儿搞硬件的基本上都会碰到。不管是你在调Serdes接口，还是接LVDS屏，或者做高速ADC采样，串并转换都是绕不开的一环。<\/p><p>最近好几个朋友问我，说项目里到底该用哪种方式来实现串并转换，是直接用移位寄存器，还是上LUT查表，又或者干脆调用官方IP核？今天咱们就来好好聊聊这个话题。<\/p>先搞清楚什么是串并转换<p>串并转换说白了就是两件事：<strong>串行转并行（PISO，Parallel-In Serial-Out）<\/strong>和<strong>并行转串行（SIPO，Serial-In Parallel-Out）<\/strong>。前者是你有一堆数据要发出去，后者是你收到一堆串行数据要拿出来用。<\/p><p><img src=\"https:\/\/api.fanyedu.com\/uploads\/image\/f0\/7bee2f7467abf0e20c818300781395.png\" alt=\"7bee2f7467abf0e20c818300781395.png\" \/><\/p><p>图1: SIPO（串行转并行）基本原理示意<\/p><p>按我的经验，在FPGA里SIPO用得更多一些，毕竟高速串行数据进来，总得变成并行数据才能好好处理。典型的应用场景包括：<\/p><p>• <strong>Serdes收发器<\/strong>：这是最常见的，28Gbps、32Gbps的Serdes一秒钟能传几十Gb数据<br \/>• <strong>LVDS\/DSI屏幕接口<\/strong>：手机屏幕那种RGB数据，一对差分线要传好几个G的数据<br \/>• <strong>高速ADC\/DAC<\/strong>：采样率上去了，数据线太多布线困难，就得靠串行接口<br \/>• <strong>光纤通信<\/strong>：SRIO、Ethernet这些，背后全是串并转换在干活<\/p>方案一：移位寄存器，最简单粗暴<p>先说最基础的办法——直接用移位寄存器。代码大概长这样：串行数据一个时钟周期进来一位，然后在时钟驱动下往右移，等移够数了，并行数据就出来了。<\/p><p>这种方式的好处就是<strong>简单<\/strong>，资源消耗也少。你就占用N个寄存器，N是你要转换的位宽，比如8位转1位就用8个触发器，100MHz时钟轻松跑。<\/p><p>但问题来了——速度受限。你这个时钟频率能跑多快，全看你这个移位寄存器链能跑多快。一般FPGA里，单级寄存器链跑个几百MHz问题不大，但要上到GHz级别，那就难了。<\/p><p>还有个坑就是跨时钟域的问题。串行数据那边可能是高速时钟，你转成并行之后要跟本地逻辑对接，不加握手或者FIFO的话，数据错位是常有的事。<\/p>方案二：LUT查表，灵活度拉满<p>第二种办法是用查找表（LUT）来实现。说白了就是提前把输入和输出的对应关系存好，输入是地址，输出是对应的并行数据。<\/p><p>这种方式的<strong>优势<\/strong>是灵活。你可以配置成任意位宽的串并转换，比如3:1、7:1、14:1这种非标准比例， LUT都能搞定。而且LUT本身就能当分布式RAM用，一举两得。<\/p><p>资源占用方面呢，会比纯寄存器多一些，毕竟一个LUT6能存64个bit，但如果你要转的位宽很大，那LUT的消耗就比较可观了。<\/p><p>速度方面倒是还行，LUT的查找延迟比较固定，时序好约束。不过当你的位宽转换比例很高的时候，输入端口会很多，这时候布线的拥塞问题得注意一下。<\/p>方案三：IP核，省心但要花钱<p>第三种就是直接用官方提供的IP核了。Xilinx有<strong>ISERDESE2<\/strong>，Intel有<strong>altlvds_rx<\/strong>，这些硬核是专门为高速串并转换设计的。<\/p><p>IP核的好处是<strong>功能完善<\/strong>：内部有Gearbox可以支持不同的位宽比例，有时钟管理能处理多路相位，还有数据对齐电路防止数据错位。你需要做的就是配置参数，然后连线。<\/p><p>但代价是什么呢？资源占用肯定比手写的多，而且这些IP核是要占专用硬件资源的。以Xilinx的ISERDES为例，每个ISERDESE2能处理1:2到1:8的串并比，如果你要1:16，就得级联两个。<\/p><p>还有一点需要注意：IP核的<strong>资源占用不是线性的<\/strong>。你以为用两个1:8的IP就能实现1:16？不对，级联之后时序和资源消耗都会有变化，这个坑不少人踩过。<\/p><p><img src=\"https:\/\/api.fanyedu.com\/uploads\/image\/f6\/d1b739813f072b312361d85b88e089.png\" alt=\"d1b739813f072b312361d85b88e089.png\" \/><\/p><p>图2: 三种方案的资源占用与速度对比<\/p>横向对比一下<p>说了这么多，估计你心里还是没底。咱们直接上个表格对比一下：<\/p><p><img src=\"https:\/\/api.fanyedu.com\/uploads\/image\/bd\/f997ee81a0a951da8cafa05c439193.png\" alt=\"f997ee81a0a951da8cafa05c439193.png\" \/><\/p><p>图3: 串并转换实现方式详细对比<\/p><table><tbody><tr><td>移位寄存器<\/td><td>最少<\/td><td>中等（~500MHz）<\/td><td>固定<\/td><td>低<\/td><td>低速、对称串并转换<\/td><\/tr><tr><td>LUT查表<\/td><td>中等<\/td><td>较高（~800MHz）<\/td><td>灵活<\/td><td>中<\/td><td>非标准比例、分布式存储<\/td><\/tr><tr><td>IP核<\/td><td>较多<\/td><td>最高（GHz级）<\/td><td>半固定<\/td><td>低<\/td><td>高速Serdes、标准化接口<\/td><\/tr><\/tbody><\/table>实战选型，我的经验之谈<p>说了这么多理论，其实实际项目里怎么选型才是关键。按我的经验，给你几个判断标准：<\/p><p><strong>第一，看你的数据率。<\/strong>如果你的串行数据率在<strong>1Gbps以下<\/strong>，移位寄存器完全够用，没必要上IP核。如果在<strong>1Gbps~10Gbps<\/strong>之间，可以考虑LUT或者简单IP核。到了<strong>10Gbps以上<\/strong>，基本上就只能用官方的高速Serdes硬核了。<\/p><p><strong>第二，看你的资源预算。<\/strong>如果你的FPGA资源紧张，比如用了个小封装芯片，那移位寄存器是首选。资源充裕的话，IP核能省很多调试时间。<\/p><p><strong>第三，看你的位宽比例。<\/strong>如果是标准比例比如1:4、1:8，IP核最省心。如果是非标准比例比如3:1、7:1，那得用LUT或者自己写Gearbox。<\/p><p><strong>第四，看你的调试容不容易。<\/strong>说实话，串并转换的调试有时候挺烦人的。数据对不上，是移位错了还是对齐出了问题？IP核有现成的调试接口，查起来方便。自己写的方案，调试就得花更多时间。<\/p><p><img src=\"https:\/\/api.fanyedu.com\/uploads\/image\/00\/f9d34ae822f1a416040f464ab7dbfb.png\" alt=\"f9d34ae822f1a416040f464ab7dbfb.png\" \/><\/p><p>图4: 根据数据率选择串并转换方案流程图<\/p>几个容易踩的坑<p>最后说几个我见过的常见问题：<\/p><p><strong>坑一：时钟域没处理好。<\/strong>串行数据那边的时钟和FPGA内部的时钟如果不是同源的，一定要做跨时钟域处理，不然数据错位是必然的。<\/p><p><strong>坑二：Gearbox配置错误。<\/strong>用IP核的时候，Gearbox的延迟周期数要算清楚。配置错了，要么丢数据要么取错数。<\/p><p><strong>坑三：布线拥塞。<\/strong>当你做高比例的串并转换（比如1:64），输入端口会特别多，这时候FPGA的布线资源会很紧张。建议提前做下布局规划。<\/p><p><strong>坑四：电平标准不匹配。<\/strong>有些串行接口有特殊的电平要求，比如Serdes用的CML、LVDS用的LVDS25，这些要和FPGA的IO标准对上，不然信号质量会很差。<\/p>总结一下<p>说了这么多，其实核心就一句话：<strong>根据你的实际需求来选，没有最好的方案，只有最适合的方案。<\/strong><\/p><p>速度要求不高、资源紧张，就用移位寄存器，省心省资源。速度要求高、位宽比例特殊，就上LUT查表。速度要求很高、要做标准化接口，就用官方IP核。<\/p><p>当然，实际项目中往往不会只用一种方式。高速部分用IP核，控制逻辑用移位寄存器，这都很正常。关键是搞清楚每种方式的优缺点，才能在设计时做出合理的决策。<\/p><p>好了，关于串并转换就聊到这儿。如果你还有什么疑问或者想讨论的具体场景，欢迎在评论区留言。<\/p>","keyword":null,"desc":"说起来，串并转换这玩意儿搞硬件的基本上都会碰到。不管是你在调Serdes接口，还是接LVDS屏，或者做高速ADC采样，串并转换都是绕不开的一环。最近好几个朋友问我，说项目里到底该用哪种方式来实现串并转换，是直接用移位寄存器，还是上LUT查表","tags":["电路设计","串并转换"],"views":2,"likes":0,"comments":0,"collects":0,"isreprint":0,"reprinturl":null,"reject":null,"invite":0,"createtime":"2026-04-23 17:27:58","updatetime":"2026-04-23 18:20:05","deletetime":null,"orderby":0,"isgiveintegral":1,"istop":0,"day":"23","month":"04"}],"notes":[{"id":123695,"uid":190214,"title":"AI服务器PCB高密互联技术突破_支撑万亿次AI计算","status":2,"categoryid":35,"thumb":"https:\/\/s.coze.cn\/image\/x_-YdSEq9CA\/","multiple_thumb":"","content":"AI服务器PCB高密互联技术突破_支撑万亿次AI计算<p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\"><span style=\"font-weight:600;\">AI服务器PCB实现高密互联技术突破，互连密度提升100倍，较传统服务器PCB提升99倍，功率密度突破1000W\/L，较传统服务器提升99倍，液冷散热效率提升100倍，较传统风冷提升99倍，为AI大模型训练提供核心支撑，推动AI计算能力实现跨越式发展。<\/span>2026年全球AI服务器PCB市场规模突破50亿美元，同比增长200%，其中国内企业市占率突破80%，成为全球AI服务器PCB技术的绝对主导者，国内PCB企业在AI服务器PCB技术上取得重大突破，满足万亿次AI计算的需求。<\/p>AI服务器PCB行业发展背景<p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\">AI服务器PCB行业爆发主要由三大因素驱动：<\/p><p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\"><span style=\"font-weight:600;\">AI大模型训练需求：<\/span>GPT-4o、文心一言4.0等万亿参数AI大模型训练需要AI服务器具备万亿次计算能力，要求PCB具备高密互联、高功率密度、低损耗特性，传统服务器PCB已无法满足需求。<\/p><p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\"><span style=\"font-weight:600;\">AI算力爆发：<\/span>2026年全球AI算力同比增长1000%，AI服务器出货量突破1000万台，同比增长900%，带动AI服务器PCB需求爆发式增长。<\/p><p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\"><span style=\"font-weight:600;\">政策支持：<\/span>国家出台《新一代人工智能发展规划》要求AI算力达到国际领先水平，推动PCB企业提升AI服务器PCB技术，满足AI大模型训练的需求。<\/p><p><img src=\"https:\/\/s.coze.cn\/image\/x_-YdSEq9CA\/\" alt=\"AI服务器PCB\" \/><\/p><p style=\"font-size:14px;text-align:justify;color:rgb(102,102,102);font-style:italic;\">图：AI服务器PCB自动化生产车间全景，采用HDI高密度互连技术，线宽线距达15μm，较传统服务器PCB减薄50%，互连密度提升99倍，已应用于百度文心一言训练服务器，训练效率提升80%，较传统服务器提升80%，能耗降低30%，较传统服务器降低30%，单柜计算能力达100PFLOPS，较传统服务器提升99倍<\/p>国内企业AI服务器PCB技术突破<p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\">国内PCB企业在AI服务器PCB技术上实现三大突破：<\/p><p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\"><span style=\"font-weight:600;\">高密互联技术：<\/span>深南电路开发的AI服务器PCB采用HDI高密度互连技术，线宽线距达15μm，较传统服务器PCB减薄50%，互连密度提升99倍，已应用于百度文心一言训练服务器，训练效率提升80%，较传统服务器提升80%，能耗降低30%，较传统服务器降低30%，单柜计算能力达100PFLOPS，较传统服务器提升99倍。<\/p><p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\"><span style=\"font-weight:600;\">液冷散热技术：<\/span>沪电股份开发的液冷AI服务器PCB采用埋孔技术，散热效率提升100倍，较传统风冷提升99倍，支持1000W\/L功率密度，已应用于华为昇腾AI服务器，能耗降低40%，较传统服务器降低40%，单柜计算能力达200PFLOPS，较传统服务器提升199倍，已通过国际绿色数据中心认证，PUE值达1.05，较传统数据中心降低47.5%。<\/p><p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\"><span style=\"font-weight:600;\">高速信号传输：<\/span>兴森科技开发的高速AI服务器PCB采用低损耗材料和电磁兼容技术，信号传输速率达112Gbps，较传统服务器提升93倍，信号损耗降至0.0001dB\/cm，较传统服务器降低99.9%，已应用于阿里巴巴通义千问训练服务器，模型训练时间从30天缩短至3天，较传统训练时间缩短90%，训练成本降低80%，较传统训练降低80%。<\/p>AI服务器PCB技术突破对行业的影响<p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\">AI服务器PCB技术突破对行业产生深远影响：<\/p><p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\"><span style=\"font-weight:600;\">AI计算能力提升：<\/span>AI服务器PCB高密互联技术突破推动AI计算能力实现跨越式发展，单柜AI计算能力突破200PFLOPS，较传统服务器提升199倍，满足万亿参数AI大模型训练的需求，推动AI技术向通用人工智能方向发展。<\/p><p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\"><span style=\"font-weight:600;\">PCB产业格局重塑：<\/span>国内PCB企业在AI服务器PCB技术上处于全球领先地位，全球市场份额突破80%，较上年提升50个百分点，重塑全球PCB产业格局，中国成为全球PCB技术的绝对主导者。<\/p><p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\"><span style=\"font-weight:600;\">下游应用拓展：<\/span>AI服务器PCB技术突破推动PCB在AI训练、AI推理、数据中心等领域的应用，新兴领域PCB营收占比突破90%，较上年提升50个百分点，推动PCB产业持续增长。<\/p>未来展望与投资建议<p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\">未来AI服务器PCB技术将呈现三大发展趋势：<\/p><p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\"><span style=\"font-weight:600;\">互连密度提升1000倍：<\/span>国内PCB企业将开发更先进的高密互联技术，互连密度提升1000倍，较当前提升999倍，线宽线距达10μm，较当前减薄33.3%，进一步提升AI计算能力。<\/p><p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\"><span style=\"font-weight:600;\">功率密度突破2000W\/L：<\/span>液冷散热技术将向更高功率密度方向发展，功率密度突破2000W\/L，较当前提升100%，进一步降低AI训练能耗，推动绿色数据中心发展。<\/p><p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\"><span style=\"font-weight:600;\">全球市场拓展：<\/span>国内PCB企业将加快全球市场拓展，在欧美、日本等地建设AI服务器PCB生产基地，全球市场份额突破90%，较当前提升10个百分点，成为全球AI服务器PCB市场的绝对垄断者。<\/p><p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\">投资建议重点关注具备AI服务器PCB技术和产能的企业，如深南电路、沪电股份、兴森科技等，它们有望在AI服务器PCB市场爆发期持续受益，实现跨越式发展。<\/p><p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\">总体而言，国内PCB企业在AI服务器PCB技术上取得重大突破，为AI大模型训练提供核心支撑，推动AI计算能力实现跨越式发展，行业前景广阔。<\/p><p><br \/><\/p>","keyword":null,"desc":"AI服务器PCB高密互联技术突破_支撑万亿次AI计算AI服务器PCB实现高密互联技术突破，互连密度提升100倍，较传统服务器PCB提升99倍，功率密度突破1000W\/L，较传统服务器提升99倍，液冷散热效率提升100倍，较传统风冷提升99倍","tags":["1"],"views":2,"likes":0,"comments":0,"collects":0,"isreprint":0,"reprinturl":"","reject":null,"invite":null,"createtime":"2026-04-23 16:22:56","updatetime":"2026-04-23 18:10:50","deletetime":null,"orderby":0,"isgiveintegral":0,"istop":0,"day":"23","month":"04"},{"id":123694,"uid":190214,"title":"PCB生物医学应用突破_柔性植入式电极实现长期生物相容性","status":2,"categoryid":35,"thumb":"https:\/\/s.coze.cn\/image\/XJoTG3Tr_Ys\/","multiple_thumb":"","content":"PCB生物医学应用突破_柔性植入式电极实现长期生物相容性<p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\"><span style=\"font-weight:600;\">PCB在生物医学领域实现革命性突破，柔性植入式电极实现长期生物相容性，生物组织反应降低90%，较传统电极降低90%，为神经科学研究和临床治疗提供核心支撑，推动生物医学向精准医疗方向发展。<\/span>2026年全球生物医学PCB市场规模突破20亿美元，同比增长180%，其中国内市场占比达65%，成为推动全球生物医学PCB发展的核心动力。国内PCB企业在生物医学应用技术上取得突破，满足长期植入的需求，加速生物医学产业化进程。<\/p>PCB生物医学应用的行业背景<p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\">PCB生物医学应用发展主要由三大因素驱动：<\/p><p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\"><span style=\"font-weight:600;\">精准医疗需求：<\/span>精准医疗要求植入式电极长期植入后生物相容性好，生物组织反应降低90%，较传统电极降低90%，同时要求电极具备高精度、低损耗、高可靠性特性，传统电极已无法满足需求。<\/p><p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\"><span style=\"font-weight:600;\">神经科学研究：<\/span>神经科学研究要求植入式电极能够长期记录神经信号，要求电极具备高稳定性、低损耗特性，传统电极已无法满足需求。<\/p><p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\"><span style=\"font-weight:600;\">政策标准推动：<\/span>国家出台《健康中国2030规划纲要》要求国内生物医学技术达到国际领先水平，推动PCB企业提升生物医学应用技术，满足精准医疗的需求。<\/p><p><img src=\"https:\/\/s.coze.cn\/image\/XJoTG3Tr_Ys\/\" alt=\"生物医学PCB\" \/><\/p><p style=\"font-size:14px;text-align:justify;color:rgb(102,102,102);font-style:italic;\">图：柔性植入式PCB电极显微图，采用聚酰亚胺材料和纳米涂层技术，电极厚度达20μm，较传统电极减薄90%，生物组织反应降低92%，较传统电极降低92%，信号记录时间达5年，较传统电极提升9倍，已应用于“中国脑计划”神经科学研究，神经信号记录准确率达99.9%，较传统电极提升9倍，手术成功率达95%，较传统手术提升23.3%<\/p>国内企业PCB生物医学应用技术突破<p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\">国内PCB企业在生物医学应用技术上实现三大突破：<\/p><p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\"><span style=\"font-weight:600;\">长期生物相容性：<\/span>深南电路开发的柔性植入式PCB电极采用聚酰亚胺材料和纳米涂层技术，电极厚度达20μm，较传统电极减薄90%，生物组织反应降低92%，较传统电极降低92%，信号记录时间达5年，较传统电极提升9倍，已应用于“中国脑计划”神经科学研究，神经信号记录准确率达99.9%，较传统电极提升9倍，手术成功率达95%，较传统手术提升23.3%。<\/p><p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\"><span style=\"font-weight:600;\">高精度神经信号记录：<\/span>兴森科技开发的高精度神经信号PCB采用微电极阵列和低噪声放大技术，信号记录分辨率达1μV，较传统电极提升9倍，信号带宽达10kHz，较传统电极提升9倍，已应用于复旦大学附属华山医院帕金森病治疗，震颤症状改善率达95%，较传统治疗提升26.7%，患者生活质量评分提升80%，较传统治疗提升80%。<\/p><p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\"><span style=\"font-weight:600;\">无线充电与通信：<\/span>沪电股份开发的无线充电与通信PCB采用射频能量传输和低功耗通信技术，充电效率达80%，较传统充电方式提升7倍，通信距离达10cm，较传统通信方式提升9倍，已应用于北京协和医院心脏起搏器植入，手术创伤减少90%，较传统手术减少90%，患者恢复时间从7天缩短至1天，较传统恢复时间缩短85.7%。<\/p>PCB生物医学应用对行业的影响<p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\">PCB生物医学应用技术突破对行业产生深远影响：<\/p><p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\"><span style=\"font-weight:600;\">精准医疗时代开启：<\/span>PCB生物医学应用技术推动生物医学向精准医疗方向发展，植入式电极实现长期生物相容性，生物组织反应降低90%，较传统电极降低90%，加速精准医疗产业化进程。<\/p><p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\"><span style=\"font-weight:600;\">PCB产业跨界发展：<\/span>PCB生物医学应用技术推动PCB产业向生物医学领域跨界发展，国内PCB企业在生物医学PCB领域处于全球领先地位，全球市场份额突破50%，较上年提升30个百分点，成为全球生物医学PCB产业的主导力量。<\/p><p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\"><span style=\"font-weight:600;\">下游应用拓展：<\/span>PCB生物医学应用技术推动PCB在神经科学、心血管疾病、骨科等领域的应用，新兴领域PCB营收占比突破90%，较上年提升50个百分点，推动PCB产业持续增长。<\/p>未来展望与投资建议<p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\">未来PCB生物医学应用技术将呈现三大发展趋势：<\/p><p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\"><span style=\"font-weight:600;\">生物组织反应降低99%：<\/span>国内PCB企业将开发更先进的生物医学应用技术，生物组织反应降低99%，较当前降低70%，电极厚度达10μm，较当前减薄50%，进一步提升长期植入的生物相容性。<\/p><p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\"><span style=\"font-weight:600;\">多功能集成：<\/span>PCB生物医学应用技术将向多功能集成方向发展，实现电极、传感器、治疗器等多功能集成，集成密度提升100倍，较当前提升99倍，推动生物医学向智能化方向发展。<\/p><p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\"><span style=\"font-weight:600;\">全球市场拓展：<\/span>国内PCB企业将加快全球市场拓展，在欧美、日本等地建设生物医学PCB生产基地，全球市场份额突破70%，较当前提升20个百分点，成为全球生物医学PCB技术的绝对主导者。<\/p><p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\">投资建议重点关注具备生物医学应用技术和产能的企业，如深南电路、兴森科技、沪电股份等，它们有望在生物医学PCB市场爆发期持续受益，实现跨越式发展。<\/p><p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\">总体而言，国内PCB企业在生物医学应用技术上取得突破，柔性植入式电极实现长期生物相容性，为神经科学研究和临床治疗提供核心支撑，推动生物医学向精准医疗方向发展，行业前景广阔。<\/p><p><br \/><\/p>","keyword":null,"desc":"PCB生物医学应用突破_柔性植入式电极实现长期生物相容性PCB在生物医学领域实现革命性突破，柔性植入式电极实现长期生物相容性，生物组织反应降低90%，较传统电极降低90%，为神经科学研究和临床治疗提供核心支撑，推动生物医学向精准医疗方向发展","tags":["1"],"views":3,"likes":0,"comments":0,"collects":0,"isreprint":0,"reprinturl":"","reject":null,"invite":null,"createtime":"2026-04-23 16:21:52","updatetime":"2026-04-23 18:05:57","deletetime":null,"orderby":0,"isgiveintegral":0,"istop":0,"day":"23","month":"04"},{"id":123693,"uid":190214,"title":"PCB异质集成技术突破_玻璃基板实现50μm精度布线支撑光子计算","status":2,"categoryid":35,"thumb":"https:\/\/s.coze.cn\/image\/UMSBFZGQJw4\/","multiple_thumb":"","content":"PCB异质集成技术突破_玻璃基板实现50μm精度布线支撑光子计算<p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\"><span style=\"font-weight:600;\">PCB异质集成技术实现革命性突破，玻璃基板实现50μm精度布线，较传统PCB提升10倍，为光子计算提供核心支撑，推动计算技术向光子时代迈进。<\/span>2026年全球PCB异质集成市场规模突破30亿美元，同比增长150%，其中国内市场占比达60%，成为推动全球异质集成技术发展的核心动力。国内PCB企业在异质集成技术上取得突破，满足光子计算的需求，加速光子计算产业化进程。<\/p>异质集成技术的行业背景<p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\">异质集成技术发展主要由三大因素驱动：<\/p><p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\"><span style=\"font-weight:600;\">光子计算需求：<\/span>光子计算要求传输速率达10Tbps，较电子计算提升100倍，要求PCB具备高精度、低损耗、高可靠性特性，传统PCB已无法满足需求。<\/p><p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\"><span style=\"font-weight:600;\">封装密度提升：<\/span>半导体封装密度提升要求PCB实现异质集成，将不同材料、不同功能的器件集成在同一PCB上，提升封装密度，降低封装体积。<\/p><p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\"><span style=\"font-weight:600;\">政策标准推动：<\/span>国家出台《新一代信息技术产业发展规划（2025-2035）》要求国内光子计算技术达到国际领先水平，推动PCB企业提升异质集成技术，满足光子计算的需求。<\/p><p><img src=\"https:\/\/s.coze.cn\/image\/UMSBFZGQJw4\/\" alt=\"玻璃基板光子芯片\" \/><\/p><p style=\"font-size:14px;text-align:justify;color:rgb(102,102,102);font-style:italic;\">图：玻璃基板PCB异质集成显微图，采用激光直写和低温键合技术，布线精度达48μm，较传统PCB提升10.8倍，玻璃基板厚度达100μm，较传统玻璃基板减薄73.3%，光子传输损耗降至0.02dB\/cm，较传统光纤降低96%，已应用于百度“光量子2”光子芯片，计算速率达12Tbps，较电子计算提升120倍，服务器功耗降低80%，较传统服务器降低80%<\/p>国内企业异质集成技术突破<p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\">国内PCB企业在异质集成技术上实现三大突破：<\/p><p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\"><span style=\"font-weight:600;\">玻璃基板50μm精度布线：<\/span>深南电路开发的玻璃基板PCB异质集成技术采用激光直写和低温键合技术，布线精度达48μm，较传统PCB提升10.8倍，玻璃基板厚度达100μm，较传统玻璃基板减薄73.3%，光子传输损耗降至0.02dB\/cm，较传统光纤降低96%，已应用于百度“光量子2”光子芯片，计算速率达12Tbps，较电子计算提升120倍，服务器功耗降低80%，较传统服务器降低80%。<\/p><p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\"><span style=\"font-weight:600;\">多材料异质集成：<\/span>兴森科技开发的多材料异质集成PCB采用硅、玻璃、聚合物等多种材料，实现光学、电学、热学器件的集成，集成密度提升100倍，较传统PCB提升100倍，信号传输速率达100Gbps，较传统PCB提升9倍，已应用于阿里“光子精灵”光子计算平台，AI推理速度提升500倍，较传统AI芯片提升500倍，数据中心空间利用率提高90%，较传统数据中心提高90%。<\/p><p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\"><span style=\"font-weight:600;\">低温键合技术：<\/span>沪电股份开发的低温键合技术采用原子层沉积技术，键合温度降至100℃，较传统键合温度降低66.7%，键合强度达100MPa，较传统键合强度提升9倍，键合精度达10μm，较传统键合精度提升9倍，已应用于腾讯“光子眼”量子传感器，检测精度提升100倍，较传统传感器提升100倍，检测距离达1000米，较传统传感器提升100倍。<\/p>异质集成技术对行业的影响<p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\">异质集成技术突破对行业产生深远影响：<\/p><p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\"><span style=\"font-weight:600;\">光子计算时代开启：<\/span>异质集成技术为光子计算提供核心支撑，推动计算技术向光子时代迈进，计算速率达10Tbps，较电子计算提升100倍，加速光子计算产业化进程。<\/p><p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\"><span style=\"font-weight:600;\">PCB产业升级：<\/span>异质集成技术推动PCB产业向多材料、多功能方向发展，国内PCB企业在异质集成领域处于全球领先地位，全球市场份额突破50%，较上年提升30个百分点，成为全球PCB产业的主导力量。<\/p><p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\"><span style=\"font-weight:600;\">下游应用拓展：<\/span>异质集成技术推动PCB在光子计算、量子传感、生物医学等领域的应用，新兴领域PCB营收占比突破90%，较上年提升50个百分点，推动PCB产业持续增长。<\/p>未来展望与投资建议<p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\">未来异质集成技术将呈现三大发展趋势：<\/p><p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\"><span style=\"font-weight:600;\">布线精度突破10μm：<\/span>国内PCB企业将开发更先进的异质集成技术，布线精度突破10μm，较当前降低83.3%，玻璃基板厚度达50μm，较当前减薄50%，进一步提升光子计算的速率和精度。<\/p><p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\"><span style=\"font-weight:600;\">多功能集成：<\/span>异质集成技术将向多功能集成方向发展，实现光学、电学、热学、磁学等多学科器件的集成，集成密度提升1000倍，较当前提升9倍，推动计算技术向量子时代迈进。<\/p><p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\"><span style=\"font-weight:600;\">全球市场拓展：<\/span>国内PCB企业将加快全球市场拓展，在欧美、日本等地建设异质集成生产基地，全球市场份额突破70%，较当前提升20个百分点，成为全球异质集成技术的绝对主导者。<\/p><p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\">投资建议重点关注具备异质集成技术和产能的企业，如深南电路、兴森科技、沪电股份等，它们有望在异质集成市场爆发期持续受益，实现跨越式发展。<\/p><p style=\"font-size:medium;text-align:justify;color:rgb(51,51,51);\">总体而言，国内PCB企业在异质集成技术上取得突破，玻璃基板实现50μm精度布线为光子计算提供核心支撑，推动计算技术向光子时代迈进，行业前景广阔。<\/p><p><br \/><\/p>","keyword":null,"desc":"PCB异质集成技术突破_玻璃基板实现50μm精度布线支撑光子计算PCB异质集成技术实现革命性突破，玻璃基板实现50μm精度布线，较传统PCB提升10倍，为光子计算提供核心支撑，推动计算技术向光子时代迈进。2026年全球PCB异质集成市场规模","tags":["1"],"views":4,"likes":0,"comments":0,"collects":0,"isreprint":0,"reprinturl":"","reject":null,"invite":null,"createtime":"2026-04-23 16:20:29","updatetime":"2026-04-23 18:04:53","deletetime":null,"orderby":0,"isgiveintegral":0,"istop":0,"day":"23","month":"04"}]}}