多年积累的switch封装库,贴装按键,直插, 顶按型,拨码开关包括贴片和插针AD封装,右拨直角安装型按键,侧插按键,6mm方形 立式型
2019-12-21 21:17:17 139KB AD封装库 拨码开关 封装库
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CST中仿真设计频率为10Ghz的矩形微带贴片天线
2019-12-21 21:06:51 175KB CST 微带天线
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已经在实际电路板中使用,请放心下载。使用时注意要把器件放在板子边缘。
2019-12-21 21:02:02 427KB USB3公头贴片
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自己用游标卡尺一点点量出来并绘制成封装库,画了倒角等。
2019-12-21 21:01:36 498KB 电解电容封装
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1.25mm 1.27mm 4P 6P 贴片 贴装接插件AD封装 ,1.25mm和1.27是一样的,封装是立式贴片
2019-12-21 21:01:06 104KB 1.25mm 1.27m  贴片接插件 AD封装.Pc
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矩形贴片天线Matlab仿真l = input('Patch length(cm)=').*1e-2; % Patch length befor strain w = input('Patch width(cm)=').*1e-2; % Patch width befor strain h = input('Substrate thickness(mm)=').*1e-3; % Substrate thickness s = input('Strain(%)='); % Strain pr = input('Substrate poisson ratio='); % Substrate poisson ratio eper = ((per+1)./2)+(((per-1)./2).*((1+12.*(h./w)).^-0.5)); % Effective permittivity befor strain dl = (0.412.*h).*(((eper+0.3).*((w/h)+0.264))./((eper-0.258).*((w./h)+0.8))); % To calculate effective length befor strain le = l+(2.*dl); % Effective length befor strain fr = c./(2.*le.*sqrt(eper)); % Frequency before strain % After strain in the direction of antenna length hs = h.*(1-pr.*s); % Substrate thickness after strain ls = l.*(1+s); % Patch length after strain % After strain in the direction of antenna width hs = h.*(1-pr.*s); % Substrate thickness after strain ls = l.*(1-pr.*s); % Patch length after strain ws = w.*(1+s); % Patch width after strain epers = ((per+1)./2)+(((per-1)./2).*((1+12.*(hs./ws)).^-0.5)); % Effective permittivity after strain dls = (0.412.*hs).*(((epers+0.3).*((ws/hs)+0.264))./((epers-0.258).*
2019-12-21 20:53:45 2KB Matlab代码
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常用电容封装都有
2019-12-21 20:51:37 24.04MB 贴片电容
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为了方便自己也方便其他人,对于一个刚入门AD的新手来说,总是有很多时候要用到贴片电容的封装,故自己整理了一下电容封装,里面还有一份电解电容容值与封装的对照表,便于新手查找封装,不至于一头雾水;
2019-12-21 20:50:30 234KB AD 封装 电容
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一些常用的3D封装库,找了好久的~包括二极管、发光器件、晶振、开关、连接器、芯片等,DO-41、DO-41Z、DO-214AA、DO-214AB、DO-214AC等等,共52个项目。
2019-12-21 20:47:50 12.72MB 封装库 Altium AD 3D封装库
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收集了国内外大多数贴片元件的丝印代码注解,是电子爱好者和工控维修者的必备手册!
2019-12-21 20:46:27 1.44MB 贴片元件查询
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