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            <title><![CDATA[需要生成50%占空比方波，门控555第一脉冲过长怎么办？]]></title>
            <link>https://www.elecfans.com/article/88/131/surge/2024/202402152388533.html</link>
            <description><![CDATA[之前我的一个设计实例“该怎么让门控555非稳态多谐振荡器顺利得到使用？”解决了传统拓扑的555非稳态电路在启动时由RESET引脚门控从振荡关闭到振荡开启时产生的第一个脉冲过长的问题。]]></description>
            <pubDate>Thu, 15 Feb 2024 09:00:00</pubDate>
            <category>光电振荡电路</category>
            <author>STEPHEN WOODWARD</author>
            <guid>https://www.elecfans.com/article/88/131/surge/2024/202402152388533.html</guid>
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            <title><![CDATA[自激振荡的简单判别方法 振荡电路的条件]]></title>
            <link>https://www.elecfans.com/article/88/131/surge/2024/202402152368053.html</link>
            <description><![CDATA[　一般条件下，我们在分析电路时，两个判别条件中首先着振幅平衡条件，它是指放大器的反馈信号必须有一定的幅度。这个条件中包含两层意思，一是必须有反馈信号，二是反恤信号必须有一定的幅度。这样我们在分析电路是否满足报幅条件时就可以从两个方面考虑：（1）是否存在反馈信号;]]></description>
            <pubDate>Thu, 15 Feb 2024 15:33:00</pubDate>
            <category>光电振荡电路</category>
            <author>综合整理</author>
            <guid>https://www.elecfans.com/article/88/131/surge/2024/202402152368053.html</guid>
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            <title><![CDATA[两款CD4069构成的简易振荡电路详解]]></title>
            <link>https://www.elecfans.com/article/88/131/surge/2020/202004211208068.html</link>
            <description><![CDATA[由CD4069构成的简易振荡电路，其中标有1的为两个反相器，左边为输入端，右边为输出端，输出端的圆圈代表“非”。]]></description>
            <pubDate>Tue, 21 Apr 2020 14:46:02</pubDate>
            <category>光电振荡电路</category>
            <author>网络整理</author>
            <guid>https://www.elecfans.com/article/88/131/surge/2020/202004211208068.html</guid>
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            <title><![CDATA[LC正弦波振荡器电路设计图]]></title>
            <link>https://www.elecfans.com/article/88/131/surge/2014/20140912353581.html</link>
            <description><![CDATA[电子线路中，除了要有对各种电信号进行放大的电子线路外，还需要有能在没有激励信 号的情况下产生周期信号的电子电路，这种在无需外加激励信号的情况下，能将直流电能转 换成具有一定波形、一定频率和一定幅度的交变能量的电子电路称为高频信号发生器。]]></description>
            <pubDate>Fri, 12 Sep 2014 14:03:05</pubDate>
            <category>光电振荡电路</category>
            <author>秩名</author>
            <guid>https://www.elecfans.com/article/88/131/surge/2014/20140912353581.html</guid>
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            <title><![CDATA[电路图天天读（2）：无线充电器三种经典振荡电路图分析]]></title>
            <link>https://www.elecfans.com/article/88/131/surge/2014/20140910353349.html</link>
            <description><![CDATA[对于无线充电电路来说，有三部分最主要的电路：振荡电路、放大电路和无线接收电路。这里主要讨论利用多谐振荡器组成的无线充电电路。]]></description>
            <pubDate>Wed, 10 Sep 2014 09:46:30</pubDate>
            <category>光电振荡电路</category>
            <author>h1654155596.7254</author>
            <guid>https://www.elecfans.com/article/88/131/surge/2014/20140910353349.html</guid>
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            <title><![CDATA[使用HA2541放大器的维氏电桥(Wien-Bridge)振荡器电路]]></title>
            <link>https://www.elecfans.com/article/88/131/surge/2012/20120313263518.html</link>
            <description><![CDATA[使用HA2541放大器的维氏电桥(Wien-Bridge)振荡器电路可以产生高质量的和40赫兹~50赫兹正弦波。]]></description>
            <pubDate>Tue, 13 Mar 2012 10:55:14</pubDate>
            <category>光电振荡电路</category>
            <author>秩名</author>
            <guid>https://www.elecfans.com/article/88/131/surge/2012/20120313263518.html</guid>
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            <title><![CDATA[5532组成的方波/三角波振荡器电路]]></title>
            <link>https://www.elecfans.com/article/88/131/surge/2012/20120201258866.html</link>
            <description><![CDATA[方波和三角波振荡电路利用运放产生高精度的方波和三角波，输出频率由电阻R1、R2和R3以及电容C确定。]]></description>
            <pubDate>Wed, 01 Feb 2012 14:48:35</pubDate>
            <category>光电振荡电路</category>
            <author>小兰</author>
            <guid>https://www.elecfans.com/article/88/131/surge/2012/20120201258866.html</guid>
        </item><item>
            <title><![CDATA[CC4528构成的多谐振荡器电路]]></title>
            <link>https://www.elecfans.com/article/88/131/surge/2012/20120201258865.html</link>
            <description><![CDATA[本文是由用双单稳态触发器CC4528设计的占空比和频率可调的多谐振荡器电路。]]></description>
            <pubDate>Wed, 01 Feb 2012 14:44:57</pubDate>
            <category>光电振荡电路</category>
            <author>小兰</author>
            <guid>https://www.elecfans.com/article/88/131/surge/2012/20120201258865.html</guid>
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            <title><![CDATA[一阶有源相移振荡器电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/surge/2011/20111013221348.html</link>
            <description><![CDATA[该电路中A1和A2为一阶有源移相器并与A3构成环路。A3为反相器，增益调至-1，移相180度，稳压管起稳幅作用。一阶有源 相移振荡器 电路图:]]></description>
            <pubDate>Thu, 13 Oct 2011 10:40:25</pubDate>
            <category>光电振荡电路</category>
            <author>小兰</author>
            <guid>https://www.elecfans.com/article/88/131/surge/2011/20111013221348.html</guid>
        </item><item>
            <title><![CDATA[逻辑门组成的LC振荡电路]]></title>
            <link>https://www.elecfans.com/article/88/131/surge/2011/20110130186358.html</link>
            <description><![CDATA[环形振荡器电路，其振荡器频率主要取决于反相器的内部参数。虽然振荡频率可由反相器供电电源调节。]]></description>
            <pubDate>Sun, 30 Jan 2011 18:39:37</pubDate>
            <category>光电振荡电路</category>
            <author>电子发烧友</author>
            <guid>https://www.elecfans.com/article/88/131/surge/2011/20110130186358.html</guid>
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            <title><![CDATA[用逻辑门组成晶体振荡电路]]></title>
            <link>https://www.elecfans.com/article/88/131/surge/2011/20110130186357.html</link>
            <description><![CDATA[74AC04反相器与晶振XLl组成的泛音振荡器，这里的泛音是指振荡频率除基波外，还有3次和5次等谐波，此外，该晶体振荡器频率极其稳定]]></description>
            <pubDate>Sun, 30 Jan 2011 18:36:29</pubDate>
            <category>光电振荡电路</category>
            <author>电子发烧友</author>
            <guid>https://www.elecfans.com/article/88/131/surge/2011/20110130186357.html</guid>
        </item><item>
            <title><![CDATA[CMOS集成陶瓷谐振电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/surge/2010/20100901222649.html</link>
            <description><![CDATA[CO两端接陶瓷谐振器，和C0、C1一起构成选频网络，同时再次提供180度相移;R0是反馈电阻，为放大器的输入提供偏置;R1为相位补偿电阻，其大小由M0和M1的尺寸决定，在频率比较低的应]]></description>
            <pubDate>Wed, 01 Sep 2010 10:43:25</pubDate>
            <category>光电振荡电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/surge/2010/20100901222649.html</guid>
        </item><item>
            <title><![CDATA[陶瓷谐振电路原理图]]></title>
            <link>https://www.elecfans.com/article/88/131/surge/2010/20100901222648.html</link>
            <description><![CDATA[陶瓷谐振电路的电路原理图如图所示。其中M0和M1一起构成反相放大器，提供振荡电路所需要的180度相移;OSCI和OS
]]></description>
            <pubDate>Wed, 01 Sep 2010 10:41:36</pubDate>
            <category>光电振荡电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/surge/2010/20100901222648.html</guid>
        </item><item>
            <title><![CDATA[光敏二极管光控触发脉冲形成电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/surge/2010/20100331213908.html</link>
            <description><![CDATA[光敏二极管光控触发脉冲形成电路图
]]></description>
            <pubDate>Wed, 31 Mar 2010 17:57:51</pubDate>
            <category>光电振荡电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/surge/2010/20100331213908.html</guid>
        </item><item>
            <title><![CDATA[压控振荡器Ⅱ]]></title>
            <link>https://www.elecfans.com/article/88/131/surge/2009/2009101095870.html</link>
            <description><![CDATA[压控振荡器Ⅱ

这个简单的低成本有源压控]]></description>
            <pubDate>Sat, 10 Oct 2009 16:42:22</pubDate>
            <category>光电振荡电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/surge/2009/2009101095870.html</guid>
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            <title><![CDATA[压控振荡器Ⅰ]]></title>
            <link>https://www.elecfans.com/article/88/131/surge/2009/2009101095869.html</link>
            <description><![CDATA[压控振荡器Ⅰ

本电路既能给出]]></description>
            <pubDate>Sat, 10 Oct 2009 16:37:23</pubDate>
            <category>光电振荡电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/surge/2009/2009101095869.html</guid>
        </item><item>
            <title><![CDATA[正弦波压控振荡器]]></title>
            <link>https://www.elecfans.com/article/88/131/surge/2009/2009101095866.html</link>
            <description><![CDATA[正弦波压控振荡器

&nbsp;
通过调节直流控制]]></description>
            <pubDate>Sat, 10 Oct 2009 16:34:06</pubDate>
            <category>光电振荡电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/surge/2009/2009101095866.html</guid>
        </item><item>
            <title><![CDATA[频率变化范围为3个量级（10Hz-10KHz）压控振荡器]]></title>
            <link>https://www.elecfans.com/article/88/131/surge/2009/2009101095865.html</link>
            <description><![CDATA[频率变化范围为3个量级（10Hz-10KHz）压控振荡器]]></description>
            <pubDate>Sat, 10 Oct 2009 16:28:26</pubDate>
            <category>光电振荡电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/surge/2009/2009101095865.html</guid>
        </item><item>
            <title><![CDATA[简易TL082压控振荡器]]></title>
            <link>https://www.elecfans.com/article/88/131/surge/2009/2009101095857.html</link>
            <description><![CDATA[简易TL082压控振荡器

&nbsp;
本电路利用一个双运算]]></description>
            <pubDate>Sat, 10 Oct 2009 16:24:01</pubDate>
            <category>光电振荡电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/surge/2009/2009101095857.html</guid>
        </item><item>
            <title><![CDATA[3Hz-300KHz正弦波压控振荡器(续)]]></title>
            <link>https://www.elecfans.com/article/88/131/surge/2009/2009101095853.html</link>
            <description><![CDATA[3Hz-300KHz正弦波压控振荡器(续)
]]></description>
            <pubDate>Sat, 10 Oct 2009 16:19:21</pubDate>
            <category>光电振荡电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/surge/2009/2009101095853.html</guid>
        </item><item>
            <title><![CDATA[3Hz-300KHz正弦波压控振荡器]]></title>
            <link>https://www.elecfans.com/article/88/131/surge/2009/2009101095848.html</link>
            <description><![CDATA[3Hz-300KHz正弦波压控振荡器
]]></description>
            <pubDate>Sat, 10 Oct 2009 16:16:19</pubDate>
            <category>光电振荡电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/surge/2009/2009101095848.html</guid>
        </item><item>
            <title><![CDATA[带有变频振荡的10m双变带业余无线电侧向发射机(续)]]></title>
            <link>https://www.elecfans.com/article/88/131/surge/2009/2009100995611.html</link>
            <description><![CDATA[带有变频振荡的10m双变带业余无线电侧向发射机(续)
]]></description>
            <pubDate>Fri, 09 Oct 2009 16:50:53</pubDate>
            <category>光电振荡电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/surge/2009/2009100995611.html</guid>
        </item><item>
            <title><![CDATA[带有变频振荡的10m双变带业余无线电侧向发射机]]></title>
            <link>https://www.elecfans.com/article/88/131/surge/2009/2009100995610.html</link>
            <description><![CDATA[带有变频振荡的10m双变带业余无线电侧向发射机
]]></description>
            <pubDate>Fri, 09 Oct 2009 16:48:55</pubDate>
            <category>光电振荡电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/surge/2009/2009100995610.html</guid>
        </item><item>
            <title><![CDATA[具有方波和三角波输出的10Hz-10KHz压控振荡器（VCO]]></title>
            <link>https://www.elecfans.com/article/88/131/surge/2009/2009100795267.html</link>
            <description><![CDATA[具有方波和三角波输出的10Hz-10KHz压控振荡器（VCO）
]]></description>
            <pubDate>Wed, 07 Oct 2009 16:58:17</pubDate>
            <category>光电振荡电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/surge/2009/2009100795267.html</guid>
        </item><item>
            <title><![CDATA[方波振荡器Ⅰ]]></title>
            <link>https://www.elecfans.com/article/88/131/surge/2009/2009100795262.html</link>
            <description><![CDATA[方波振荡器Ⅰ

正反馈是经R3和R4完成，R1和C1则决定周期的大小。]]></description>
            <pubDate>Wed, 07 Oct 2009 16:49:47</pubDate>
            <category>光电振荡电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/surge/2009/2009100795262.html</guid>
        </item><item>
            <title><![CDATA[方波振荡器]]></title>
            <link>https://www.elecfans.com/article/88/131/surge/2009/2009100795257.html</link>
            <description><![CDATA[方波振荡器
]]></description>
            <pubDate>Wed, 07 Oct 2009 16:38:18</pubDate>
            <category>光电振荡电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/surge/2009/2009100795257.html</guid>
        </item><item>
            <title><![CDATA[纯正弦波发生器]]></title>
            <link>https://www.elecfans.com/article/88/131/surge/2009/2009100795183.html</link>
            <description><![CDATA[纯正弦波发生器
]]></description>
            <pubDate>Wed, 07 Oct 2009 11:51:25</pubDate>
            <category>光电振荡电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/surge/2009/2009100795183.html</guid>
        </item><item>
            <title><![CDATA[正弦波整形电路]]></title>
            <link>https://www.elecfans.com/article/88/131/surge/2009/2009100795182.html</link>
            <description><![CDATA[正弦波整形电路

大多数]]></description>
            <pubDate>Wed, 07 Oct 2009 11:49:50</pubDate>
            <category>光电振荡电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/surge/2009/2009100795182.html</guid>
        </item><item>
            <title><![CDATA[正弦波发生器]]></title>
            <link>https://www.elecfans.com/article/88/131/surge/2009/2009100795180.html</link>
            <description><![CDATA[正弦波发生器
]]></description>
            <pubDate>Wed, 07 Oct 2009 11:46:09</pubDate>
            <category>光电振荡电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/surge/2009/2009100795180.html</guid>
        </item><item>
            <title><![CDATA[1Hz正弦波振荡器]]></title>
            <link>https://www.elecfans.com/article/88/131/surge/2009/2009100795178.html</link>
            <description><![CDATA[1Hz正弦波振荡器

本电路利用两个运算]]></description>
            <pubDate>Wed, 07 Oct 2009 11:44:47</pubDate>
            <category>光电振荡电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/surge/2009/2009100795178.html</guid>
        </item><item>
            <title><![CDATA[用电池供电的正弦波发生器]]></title>
            <link>https://www.elecfans.com/article/88/131/surge/2009/2009100795175.html</link>
            <description><![CDATA[用电池供电的正弦波发生器
]]></description>
            <pubDate>Wed, 07 Oct 2009 11:40:42</pubDate>
            <category>光电振荡电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/surge/2009/2009100795175.html</guid>
        </item><item>
            <title><![CDATA[维氏电桥正弦波振荡器]]></title>
            <link>https://www.elecfans.com/article/88/131/surge/2009/2009100795173.html</link>
            <description><![CDATA[维氏电桥正弦波振荡器

这个维氏电桥正弦波]]></description>
            <pubDate>Wed, 07 Oct 2009 11:37:34</pubDate>
            <category>光电振荡电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/surge/2009/2009100795173.html</guid>
        </item><item>
            <title><![CDATA[简易正弦波振荡器]]></title>
            <link>https://www.elecfans.com/article/88/131/surge/2009/2009100795169.html</link>
            <description><![CDATA[简易正弦波振荡器
]]></description>
            <pubDate>Wed, 07 Oct 2009 11:32:39</pubDate>
            <category>光电振荡电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/surge/2009/2009100795169.html</guid>
        </item><item>
            <title><![CDATA[高稳定度的60Hz正弦波信号源]]></title>
            <link>https://www.elecfans.com/article/88/131/surge/2009/2009100795168.html</link>
            <description><![CDATA[高稳定度的60Hz正弦波信号源

本电路可以提供高稳定度的60Hz正弦波，]]></description>
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            <pubDate>Tue, 06 Oct 2009 16:48:57</pubDate>
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利用NE555可以构成一个以]]></description>
            <pubDate>Tue, 06 Oct 2009 16:47:19</pubDate>
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&nbsp;
几乎任何保证的]]></description>
            <pubDate>Tue, 06 Oct 2009 16:42:20</pubDate>
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            <pubDate>Tue, 06 Oct 2009 16:30:33</pubDate>
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            <pubDate>Tue, 29 Sep 2009 16:51:18</pubDate>
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            <description><![CDATA[4093CMOS视频振荡器


四重4093]]></description>
            <pubDate>Tue, 29 Sep 2009 11:30:12</pubDate>
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            <description><![CDATA[简易音频振荡器

一个88MH附件环就、形点火线圈被用于1KHz的]]></description>
            <pubDate>Tue, 29 Sep 2009 11:25:34</pubDate>
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            <description><![CDATA[4093CMOS非稳态振荡器

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            <pubDate>Tue, 29 Sep 2009 11:07:23</pubDate>
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利用NPO和N1500陶瓷电容的LC]]></description>
            <pubDate>Tue, 29 Sep 2009 10:58:57</pubDate>
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            <pubDate>Mon, 28 Sep 2009 16:55:46</pubDate>
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该]]></description>
            <pubDate>Mon, 28 Sep 2009 16:41:46</pubDate>
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