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        <title>继电器与开关电路</title>
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            <title><![CDATA[Pasternack推出一款新型SMT闭锁驱动器的机电继电器开关]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2023/02021994515.html</link>
            <description><![CDATA[为了满足设计人员在极限空间中微型表面贴装组件的应用需求，Pasternack 刚刚推出了一系列新型SMT闭锁驱动器的机电继电器开关，宽带频率覆盖高达26GHz并支持更高功率开关应用。]]></description>
            <pubDate>Thu, 02 Feb 2023 10:42:40</pubDate>
            <category>继电器与开关电路</category>
            <author></author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2023/02021994515.html</guid>
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            <title><![CDATA[继电器开关电路接线图及原理]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2022/02281799391.html</link>
            <description><![CDATA[　继电器开关电路的设计和类型非常庞大，但是许多小型电子项目都使用晶体管和MOSFET作为其主要开关设备，因为该晶体管可以从各种输入源提供对继电器线圈的快速DC开关（ON-OFF）控制，因此这是一些更常用的继电器开关方式的一小部分。]]></description>
            <pubDate>Mon, 28 Feb 2022 16:01:00</pubDate>
            <category>继电器与开关电路</category>
            <author></author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2022/02281799391.html</guid>
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            <title><![CDATA[继电器与开关电路分析（JS20单结晶体管时间继电器电路/发射极跟随器继电器开关电路/音频信号控制继电器开]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2021/10181717652.html</link>
            <description><![CDATA[继电器是一种电控制器件，它具有控制系统（又称输入回路）和被控制系统（又称输出回路）之间的互动关系，通常应用于自动化的控制电路中。]]></description>
            <pubDate>Mon, 18 Oct 2021 14:42:41</pubDate>
            <category>继电器与开关电路</category>
            <author></author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2021/10181717652.html</guid>
        </item><item>
            <title><![CDATA[用万用表正确判断热继电器的好坏]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2019/08191054991.html</link>
            <description><![CDATA[一般的热继电器的话，可以测量它的保护触热点（常闭）热继电器有一个可按可拉的手动测试按钮，用万用表测量一下当手动测试按钮被按下和拉起的时候，它的常闭触点是否一直处於闭合状态？是，说明已经坏了，反之是好的。]]></description>
            <pubDate>Mon, 19 Aug 2019 09:36:44</pubDate>
            <category>继电器与开关电路</category>
            <author></author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2019/08191054991.html</guid>
        </item><item>
            <title><![CDATA[热继电器的安装、使用环境和连接线]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2019/08191054980.html</link>
            <description><![CDATA[对没有温度补偿的热继电器，应在热继电器和电动机两者环境温度差异不大的地方使用。对有温度补偿的热继电器，可用于热继电器与电动机两者环境温度有一定差异的地方，但应尽可能减少因环境温度变化带来的影响。]]></description>
            <pubDate>Mon, 19 Aug 2019 09:22:42</pubDate>
            <category>继电器与开关电路</category>
            <author></author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2019/08191054980.html</guid>
        </item><item>
            <title><![CDATA[解剖热继电器]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2019/08191054975.html</link>
            <description><![CDATA[热继电器动作后，双金属片经过一段时间冷却，按下复位按钮即可复位。有些型号的热继电器还具有断相保护功能。热继电器的断相保护功能是由内、外推杆组成的差动放大机构提供的。]]></description>
            <pubDate>Mon, 19 Aug 2019 09:19:03</pubDate>
            <category>继电器与开关电路</category>
            <author></author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2019/08191054975.html</guid>
        </item><item>
            <title><![CDATA[热继电器的分类与常用类型]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2019/08191054967.html</link>
            <description><![CDATA[按复位方式分：自动复位触头断开后能自动返回到原来位置和手动复位。  按电流调节方式分：电流调节和无电流调节借更换热元件来达到改变整定电流的。  按温度补偿分：有温度补偿和无温度补偿。  ]]></description>
            <pubDate>Mon, 19 Aug 2019 09:11:43</pubDate>
            <category>继电器与开关电路</category>
            <author></author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2019/08191054967.html</guid>
        </item><item>
            <title><![CDATA[热继电器的选用]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2019/08191054963.html</link>
            <description><![CDATA[原则上应使热继电器的安秒特性尽可能接近甚至重合电动机的过载特性，或者在电动机的过载特性之下，同时在电动机短时过载和启动的瞬间，热继电器应不受影响（不动作）。]]></description>
            <pubDate>Mon, 19 Aug 2019 09:06:26</pubDate>
            <category>继电器与开关电路</category>
            <author></author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2019/08191054963.html</guid>
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            <title><![CDATA[热继电器的结构]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2019/08191054956.html</link>
            <description><![CDATA[双金属片是热继电器的测定元件，由两种膨胀系数有所不同的金属片压焊而成，分成主动层和被动层。主动层使用膨胀系数很高的铁镍铬合金材料，被动层则使用膨胀系数较高的铁镍合金材料。机构（由传动装置机构和触头系统）构成。]]></description>
            <pubDate>Mon, 19 Aug 2019 09:01:22</pubDate>
            <category>继电器与开关电路</category>
            <author></author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2019/08191054956.html</guid>
        </item><item>
            <title><![CDATA[热继电器的作用与用途]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2019/08191054949.html</link>
            <description><![CDATA[主要用来对异步 电动机进行过载保护，他的工作原理是过载电流通过热元 热继电器件后，使双金属片加热弯曲去推动动作机构来带动触点动作，从而将 电动机控制电路断开实现电动机断电停车，起到过载保护的作用。]]></description>
            <pubDate>Mon, 19 Aug 2019 08:54:27</pubDate>
            <category>继电器与开关电路</category>
            <author></author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2019/08191054949.html</guid>
        </item><item>
            <title><![CDATA[NE555过流保护检测器电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2019/0530948512.html</link>
            <description><![CDATA[在555内部，③脚与地之间是一个分压器，它为两个比较器的一个输入端提供基准电压。这两个比较器的另一个输入端则分别通过②脚和⑥脚接到复位按钮S1和电位器P1。比较器的输出端则分别控制内部双稳触发器的置位和复位输入端。双稳触发器的输出端通 过③脚向外部电路提供输出信号。]]></description>
            <pubDate>Thu, 30 May 2019 14:08:24</pubDate>
            <category>继电器与开关电路</category>
            <author></author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2019/0530948512.html</guid>
        </item><item>
            <title><![CDATA[继电器开关电路图大全（光控开关电路/时间继电器/单稳触发电路）]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2018/0510675327.html</link>
            <description><![CDATA[本文主要介绍了继电器开关电路图大全（光控开关电路/时间继电器/单稳触发电路）。继电器是一种电控制器件，是当输入量（激励量）的变化达到规定要求时，在电气输出电路中使被控量发生预定的阶跃变化的一种电器。它具有控制系统（又称输入回路）和被控制系统（又称输出回路）之间的互动关系。JS20单结晶体管时间继电器电路设计：电路由延时环节、鉴幅器、输出电路、电源和指示灯五部分组成。电源的稳压部分由电阻R，和稳压管vs构成，为延时环节供电，输出电路中的晶闸管VTH和继电器。]]></description>
            <pubDate>Thu, 10 May 2018 15:11:47</pubDate>
            <category>继电器与开关电路</category>
            <author></author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2018/0510675327.html</guid>
        </item><item>
            <title><![CDATA[光电开关如何接继电器（图文详细介绍）]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2018/0119619281.html</link>
            <description><![CDATA[光电开关应用广泛，在不同的场合使用不同的光电开关。光电开关的接线方法十分简单，本文为大家带来光电开关的接线方法的图文详解。]]></description>
            <pubDate>Fri, 19 Jan 2018 16:38:43</pubDate>
            <category>继电器与开关电路</category>
            <author></author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2018/0119619281.html</guid>
        </item><item>
            <title><![CDATA[3种继电器继电器的工作原理和特性]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2017/1204592780.html</link>
            <description><![CDATA[电磁继电器继电器的工作原理和特性 工作原理：电磁铁通电时，把衔铁吸下来使D和E接触，工作电路闭合。电磁铁断电时失去磁性，弹簧把衔铁拉起来，切断工作电路。 1、电磁继电器(Electromagnetic relay)的工作原理和特性 电磁继电器一般由 电磁铁,衔铁,弹簧片，触点 等组成的，其工作电路由低压控制电路和高压工作电路两部分构成。电磁继电器还可以实现远距离控制和自动化控制。]]></description>
            <pubDate>Mon, 04 Dec 2017 06:01:37</pubDate>
            <category>继电器与开关电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2017/1204592780.html</guid>
        </item><item>
            <title><![CDATA[基于CD4013单键触发台灯的设计]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2017/1201590595.html</link>
            <description><![CDATA[电路设计主要应用了芯片CD4013、二极管、三极管、继电器、电阻、电容等电路元件构成用单键触发台灯电路，工作时，按下轻触开关S1，继电器触点吸合，灯泡点亮，工作指示灯D3点亮；再按下轻触开关S1，继电器触点断开，灯泡熄灭，待机指示灯D1点亮。]]></description>
            <pubDate>Fri, 01 Dec 2017 13:53:50</pubDate>
            <category>继电器与开关电路</category>
            <author></author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2017/1201590595.html</guid>
        </item><item>
            <title><![CDATA[基于WiFi的智能插座电路及原理分析]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2017/1115580012.html</link>
            <description><![CDATA[智能插座就是一个互联网时代赋予智能化的开关控制器。根据不同的控制介质，可以分为以下几种控制方式：红外遥控、蓝牙遥控、GSM技术、WiFi技术。]]></description>
            <pubDate>Wed, 15 Nov 2017 16:52:20</pubDate>
            <category>继电器与开关电路</category>
            <author></author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2017/1115580012.html</guid>
        </item><item>
            <title><![CDATA[自动关机电路，自动关机原理分析]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2017/0426511297.html</link>
            <description><![CDATA[今天用万用表的时候，突然很奇怪，为什么过了一段时间不使用后它就“自我了结”了呢？怎么实现的呢？实验室的福禄克表，蛮贵，不敢擅自拆开，所以就网上查询资料，呵呵，这一查，好玩了。发现了各种软关机电路，就是单片机工作一会后，自动关机了。好灵性和智能哦。]]></description>
            <pubDate>Wed, 26 Apr 2017 15:34:09</pubDate>
            <category>继电器与开关电路</category>
            <author></author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2017/0426511297.html</guid>
        </item><item>
            <title><![CDATA[基于TC787的三相两重桥有源逆变电路]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2011/0907214454.html</link>
            <description><![CDATA[两片TC787分别用来作为两个逆变桥中的l2个晶闸管的移相触发电路，两片TC787均选用单电源工作，且均为全控双脉冲工作方式。图中，变压器TY1为同步变压器，它为两片TC787提供两组三相]]></description>
            <pubDate>Wed, 07 Sep 2011 15:43:38</pubDate>
            <category>继电器与开关电路</category>
            <author>秩名</author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2011/0907214454.html</guid>
        </item><item>
            <title><![CDATA[可变延时型继电器电路]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2011/0830212930.html</link>
            <description><![CDATA[采用2N385A或类似的高增益、大电流开关晶体管，能改善可靠性。选择2N242作为说出晶体管，因其基数只需要极小的正电压（对发射极而言）就可使之高温时戒指。CR1的正向压降和R11供给]]></description>
            <pubDate>Tue, 30 Aug 2011 15:55:11</pubDate>
            <category>继电器与开关电路</category>
            <author>网络</author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2011/0830212930.html</guid>
        </item><item>
            <title><![CDATA[快速晶闸管开关基本电路形式]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2010/20101113226216.html</link>
            <description><![CDATA[晶闸管型半导体激光器的原理电路,如图所示.
]]></description>
            <pubDate>Sat, 13 Nov 2010 16:46:28</pubDate>
            <category>继电器与开关电路</category>
            <author>nana</author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2010/20101113226216.html</guid>
        </item><item>
            <title><![CDATA[RC正激变换器缓冲电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2010/20100813221725.html</link>
            <description><![CDATA[图所示是由RC组成的正激变换器的缓冲电路。图中，当Q关断时，集电极电压开始上升到2Vdc，而电容C限制了集电极电压的上升速度，同时减小了上升电压和下降电流的重叠，从而减低]]></description>
            <pubDate>Fri, 13 Aug 2010 15:56:04</pubDate>
            <category>继电器与开关电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2010/20100813221725.html</guid>
        </item><item>
            <title><![CDATA[输出电压可调的开关稳压电源电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2010/20100731221153.html</link>
            <description><![CDATA[L4970A芯片内部主要由基准电压源、锯齿波发生器、40kHz振荡器、误差放大器、PWM比较器和PWM锁存器、驱动级、DMOS开关管、两级或门构成触发器、或非门、欠过压检测、限流取样电]]></description>
            <pubDate>Sat, 31 Jul 2010 09:34:21</pubDate>
            <category>继电器与开关电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2010/20100731221153.html</guid>
        </item><item>
            <title><![CDATA[零压零流逆变电路原理图]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2010/20100731221152.html</link>
            <description><![CDATA[相移全桥零压零流PWM(FBZVZCSPWM)逆变电路的结构如图所示。S1～S4为功率开关器件,D1～D4为器件自身反并二极管,D5和D6为阻断二极管,C1～C2为S1和S2的旁路电容,Cb为隔直电容。
]]></description>
            <pubDate>Sat, 31 Jul 2010 09:30:12</pubDate>
            <category>继电器与开关电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2010/20100731221152.html</guid>
        </item><item>
            <title><![CDATA[CMOS双向开关工作原理]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2010/20100524218459.html</link>
            <description><![CDATA[CMOS双向开关工作原理
CMOS双向开关也称CMOS传输门。CMOS双向开关在模拟电路和数字电路应用非常广泛。
]]></description>
            <pubDate>Mon, 24 May 2010 15:59:51</pubDate>
            <category>继电器与开关电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2010/20100524218459.html</guid>
        </item><item>
            <title><![CDATA[MOS-FET开关电路]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2010/20100524218458.html</link>
            <description><![CDATA[MOS-FET开关电路
MOS-FET虽然与JFET结构不同，但特性极为相似，N沟道和P沟道各分增强型和耗尽型，可在许多电路中代替J-FET，如图5.4-97所示，电路用MOS-FET代替J-F]]></description>
            <pubDate>Mon, 24 May 2010 15:47:08</pubDate>
            <category>继电器与开关电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2010/20100524218458.html</guid>
        </item><item>
            <title><![CDATA[J-FET开关电路工作原理]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2010/20100524218457.html</link>
            <description><![CDATA[J-FET开关电路工作原理
1、简单开关控制电路
图5.4-97为简单J-FET开关电路。当控制电压VC高于输入电压V1时，VGS=0，J-FET导通，传]]></description>
            <pubDate>Mon, 24 May 2010 15:42:30</pubDate>
            <category>继电器与开关电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2010/20100524218457.html</guid>
        </item><item>
            <title><![CDATA[场效应晶体管开关电路]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2010/20100524218455.html</link>
            <description><![CDATA[场效应晶体管开关电路
场效应晶体管（简称场效应管）有结型（J-FET）和绝缘栅型（MOS-FET）两类。
场效应管作为开关器件应用类似]]></description>
            <pubDate>Mon, 24 May 2010 15:26:06</pubDate>
            <category>继电器与开关电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2010/20100524218455.html</guid>
        </item><item>
            <title><![CDATA[短路开关工作原理]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2010/20100524218454.html</link>
            <description><![CDATA[短路开关工作原理
图5.4-95A中的V2管是作为短路开关用的，三极管用作短路开关，可用于对信号的传输通/断（串联于通路），也可用于对信号的旁路通/断（旁]]></description>
            <pubDate>Mon, 24 May 2010 15:16:35</pubDate>
            <category>继电器与开关电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2010/20100524218454.html</guid>
        </item><item>
            <title><![CDATA[霍尔效应集成电路常用接口电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2010/20100402214259.html</link>
            <description><![CDATA[霍尔效应集成电路常用接口电路图
]]></description>
            <pubDate>Fri, 02 Apr 2010 17:59:50</pubDate>
            <category>继电器与开关电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2010/20100402214259.html</guid>
        </item><item>
            <title><![CDATA[红外线警开关电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2010/20100402214258.html</link>
            <description><![CDATA[红外线警开关电路图
]]></description>
            <pubDate>Fri, 02 Apr 2010 17:54:11</pubDate>
            <category>继电器与开关电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2010/20100402214258.html</guid>
        </item><item>
            <title><![CDATA[光耦合器构成的“或非门”电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2010/20100402214253.html</link>
            <description><![CDATA[光耦合器构成的&ldquo;或非门&rdquo;电路图
]]></description>
            <pubDate>Fri, 02 Apr 2010 17:50:34</pubDate>
            <category>继电器与开关电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2010/20100402214253.html</guid>
        </item><item>
            <title><![CDATA[光耦合器“单刀双掷”开关电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2010/20100402214250.html</link>
            <description><![CDATA[光耦合器“单刀双掷”开关电路图
]]></description>
            <pubDate>Fri, 02 Apr 2010 17:45:38</pubDate>
            <category>继电器与开关电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2010/20100402214250.html</guid>
        </item><item>
            <title><![CDATA[光电池光触发开关电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2010/20100331213891.html</link>
            <description><![CDATA[光电池光触发开关电路图
]]></description>
            <pubDate>Wed, 31 Mar 2010 17:27:09</pubDate>
            <category>继电器与开关电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2010/20100331213891.html</guid>
        </item><item>
            <title><![CDATA[光电池-VMOS功率场效应晶体管光敏继电器电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2010/20100331213888.html</link>
            <description><![CDATA[光电池-VMOS功率场效应晶体管光敏继电器电路图
]]></description>
            <pubDate>Wed, 31 Mar 2010 17:15:50</pubDate>
            <category>继电器与开关电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2010/20100331213888.html</guid>
        </item><item>
            <title><![CDATA[绝缘栅场效应晶体管长延时电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2010/20100330213530.html</link>
            <description><![CDATA[绝缘栅场效应晶体管长延时电路图
]]></description>
            <pubDate>Tue, 30 Mar 2010 14:45:53</pubDate>
            <category>继电器与开关电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2010/20100330213530.html</guid>
        </item><item>
            <title><![CDATA[绝缘栅场效应晶体管“放电式”长延时电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2010/20100330213529.html</link>
            <description><![CDATA[绝缘栅场效应晶体管“放电式”长延时电路图
]]></description>
            <pubDate>Tue, 30 Mar 2010 14:44:54</pubDate>
            <category>继电器与开关电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2010/20100330213529.html</guid>
        </item><item>
            <title><![CDATA[晶闸管时间继电器电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2010/20100330213528.html</link>
            <description><![CDATA[晶闸管时间继电器
]]></description>
            <pubDate>Tue, 30 Mar 2010 14:43:30</pubDate>
            <category>继电器与开关电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2010/20100330213528.html</guid>
        </item><item>
            <title><![CDATA[带灯反相器原理及电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2010/20100329212972.html</link>
            <description><![CDATA[带灯反相器原理及电路图
]]></description>
            <pubDate>Mon, 29 Mar 2010 15:46:44</pubDate>
            <category>继电器与开关电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2010/20100329212972.html</guid>
        </item><item>
            <title><![CDATA[双继电器驱动板电路,Dual Relay Driver Bo]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2010/20100328211801.html</link>
            <description><![CDATA[双继电器驱动板电路,Dual Relay Driver Board
Description&nbsp;&nbsp; Dual Channel Relay Board is a simple and convenient way to interface 2 relays for switching application in your project.&nbsp;&nbsp;]]></description>
            <pubDate>Sun, 28 Mar 2010 22:17:23</pubDate>
            <category>继电器与开关电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2010/20100328211801.html</guid>
        </item><item>
            <title><![CDATA[固态继电器开关电路,Solid state relay sw]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2010/20100328211800.html</link>
            <description><![CDATA[固态继电器开关电路,Solid state relay switch

Description&nbs]]></description>
            <pubDate>Sun, 28 Mar 2010 22:15:37</pubDate>
            <category>继电器与开关电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2010/20100328211800.html</guid>
        </item><item>
            <title><![CDATA[黑暗激活继电器]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2009/2009092292903.html</link>
            <description><![CDATA[黑暗激活继电器

把]]></description>
            <pubDate>Tue, 22 Sep 2009 17:26:41</pubDate>
            <category>继电器与开关电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2009/2009092292903.html</guid>
        </item><item>
            <title><![CDATA[直流的直流单稳态启动电流电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2009/2009070374678.html</link>
            <description><![CDATA[
直流的直流单稳态启动电流电路图]]></description>
            <pubDate>Fri, 03 Jul 2009 14:34:12</pubDate>
            <category>继电器与开关电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2009/2009070374678.html</guid>
        </item><item>
            <title><![CDATA[闸流管激励是继电器多谐振荡器电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2009/2009070374676.html</link>
            <description><![CDATA[
闸流管激励是继电器多谐振荡器电路图]]></description>
            <pubDate>Fri, 03 Jul 2009 14:33:48</pubDate>
            <category>继电器与开关电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2009/2009070374676.html</guid>
        </item><item>
            <title><![CDATA[用交流工作的直流继电器电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2009/2009070374674.html</link>
            <description><![CDATA[
用交流工作的直流继电器电路图]]></description>
            <pubDate>Fri, 03 Jul 2009 14:33:04</pubDate>
            <category>继电器与开关电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2009/2009070374674.html</guid>
        </item><item>
            <title><![CDATA[选频式晶体管开关电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2009/2009070374673.html</link>
            <description><![CDATA[
选频式晶体管开关电路图]]></description>
            <pubDate>Fri, 03 Jul 2009 14:32:41</pubDate>
            <category>继电器与开关电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2009/2009070374673.html</guid>
        </item><item>
            <title><![CDATA[无需备用电源的闭锁继电器激励器电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2009/2009070374672.html</link>
            <description><![CDATA[
无需备用电源的闭锁继电器激励器电路图]]></description>
            <pubDate>Fri, 03 Jul 2009 14:32:12</pubDate>
            <category>继电器与开关电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2009/2009070374672.html</guid>
        </item><item>
            <title><![CDATA[同步开关同步器电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2009/2009070374671.html</link>
            <description><![CDATA[
同步开关同步器电路图]]></description>
            <pubDate>Fri, 03 Jul 2009 14:31:45</pubDate>
            <category>继电器与开关电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2009/2009070374671.html</guid>
        </item><item>
            <title><![CDATA[通用隧道二极管鉴别器电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2009/2009070374670.html</link>
            <description><![CDATA[
通用隧道二极管鉴别器电路图]]></description>
            <pubDate>Fri, 03 Jul 2009 14:31:02</pubDate>
            <category>继电器与开关电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2009/2009070374670.html</guid>
        </item><item>
            <title><![CDATA[双稳态多谐振荡器是起振电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2009/2009070374669.html</link>
            <description><![CDATA[
双稳态多谐振荡器是起振电路图]]></description>
            <pubDate>Fri, 03 Jul 2009 14:30:30</pubDate>
            <category>继电器与开关电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2009/2009070374669.html</guid>
        </item><item>
            <title><![CDATA[双通道音频开关电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/jidianqi/2009/2009070374668.html</link>
            <description><![CDATA[
双通道音频开关电路图]]></description>
            <pubDate>Fri, 03 Jul 2009 14:30:05</pubDate>
            <category>继电器与开关电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/jidianqi/2009/2009070374668.html</guid>
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