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        <title>耳机电路图</title>
        <description>电子发烧友本栏目为耳机电路图专栏，有各式各样的蓝牙耳机电路图、耳机插头电路图、诺基亚耳机电路图、耳机接口电路图、耳机插孔电路图、耳机分频器电路图、手机耳机电路图等耳机电路原理图。</description>
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            <title><![CDATA[经典的47耳机放大器电路图]]></title>
            <link>https://www.elecfans.com/dianlutu/erji/202004111201225.html</link>
            <description><![CDATA[输入信号，通过10k电位器，调节音量，然后经过0.47uF的耦合电容传到ICa的同相输入，100k电阻用来调节输入阻抗。]]></description>
            <pubDate>Sat, 11 Apr 2020 10:19:54</pubDate>
            <category>耳机电路图</category>
            <author>机电匠</author>
            <guid>https://www.elecfans.com/dianlutu/erji/202004111201225.html</guid>
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            <title><![CDATA[两款耳机放大器电路设计分享]]></title>
            <link>https://www.elecfans.com/dianlutu/erji/202003231188467.html</link>
            <description><![CDATA[OPA2134双列8脚封装，宽带为8MHz，转换速率为20V/us，输入失调电压为±0.5mv，具有8nv（HZ平方根）的噪声密度，0.00008%的失真系数和20V/us的上升速度。]]></description>
            <pubDate>Mon, 23 Mar 2020 09:42:01</pubDate>
            <category>耳机电路图</category>
            <author>网络整理</author>
            <guid>https://www.elecfans.com/dianlutu/erji/202003231188467.html</guid>
        </item><item>
            <title><![CDATA[耳机喇叭接线图解]]></title>
            <link>https://www.elecfans.com/dianlutu/erji/20190522939968.html</link>
            <description><![CDATA[原理比较简单，不再叙述了，从线路上分析，DW可以用电阻代替，这里用稳压管的作用就是可以使用比较小的延时电容而获得比较长的延时接通时间，而且在放大电路出现直流输出的时候切断动作也更加干脆，实验的结果确实也是如此。]]></description>
            <pubDate>Wed, 22 May 2019 14:03:44</pubDate>
            <category>耳机电路图</category>
            <author></author>
            <guid>https://www.elecfans.com/dianlutu/erji/20190522939968.html</guid>
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            <title><![CDATA[蓝牙耳机电路设计（两款模拟电路设计原理图详解）]]></title>
            <link>https://www.elecfans.com/dianlutu/erji/20180201628233.html</link>
            <description><![CDATA[本文主要介绍了蓝牙耳机电路设计（两款模拟电路设计原理图详解）。蓝牙耳机的核心是射频和基带处理两部分，为适应功能的集成和设计的小型化，CSR、Broadcom等公司已将射频和基带处理功能集成在一起，如CSR BlueCore4高集成的蓝牙芯片，封装最小为6×6mm。整个耳机的电源管理设计要求外围组件少，集成度高，同时满足蓝牙芯片对负载响应和噪声抑制的要求。蓝牙耳机多采用锂电池供电，其电压范围为2.7V至4.2V。]]></description>
            <pubDate>Thu, 01 Feb 2018 16:51:41</pubDate>
            <category>耳机电路图</category>
            <author></author>
            <guid>https://www.elecfans.com/dianlutu/erji/20180201628233.html</guid>
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            <title><![CDATA[使用运放推动的A类耳机放大器电路图]]></title>
            <link>https://www.elecfans.com/dianlutu/erji/20140625346751.html</link>
            <description><![CDATA[使用运放推动的A类耳机放大器电路图]]></description>
            <pubDate>Wed, 25 Jun 2014 13:59:18</pubDate>
            <category>耳机电路图</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/dianlutu/erji/20140625346751.html</guid>
        </item><item>
            <title><![CDATA[OPA2132组成的耳机放大功放电路图]]></title>
            <link>https://www.elecfans.com/dianlutu/erji/20120530274383.html</link>
            <description><![CDATA[OPA2132组成的耳机放大功放电路图如下所示： 图 OPA2132组成的耳机放大功放电路图]]></description>
            <pubDate>Wed, 30 May 2012 17:22:05</pubDate>
            <category>耳机电路图</category>
            <author>秩名</author>
            <guid>https://www.elecfans.com/dianlutu/erji/20120530274383.html</guid>
        </item><item>
            <title><![CDATA[便携式耳机放大电路]]></title>
            <link>https://www.elecfans.com/dianlutu/erji/20120328265955.html</link>
            <description><![CDATA[便携式 耳机放大电路 : R1 = 10K 1/4W Resistor R2 = 100K 1/4W Resistor R3 = 68K 1/4W Resistor (see notes) R4 = 1K5 1/4W Resistor R5 = 3K3 1/4W Resistor R6 = 330R 1/4W Resistor R7 = 4K7 1/4W Resistor R8 = 2R2 1/4W Resistor C1 = 1΅F 6]]></description>
            <pubDate>Wed, 28 Mar 2012 11:35:16</pubDate>
            <category>耳机电路图</category>
            <author>秩名</author>
            <guid>https://www.elecfans.com/dianlutu/erji/20120328265955.html</guid>
        </item><item>
            <title><![CDATA[基于MAX9724的立体声耳机放大器电路]]></title>
            <link>https://www.elecfans.com/dianlutu/erji/20120328265951.html</link>
            <description><![CDATA[提高RF噪声抑制(高达67dB，远远优于典型放大器) 无需大容量隔直电容 低功耗关断模式， 0.1A 可调增益(MAX9724A)或-1.5V/V的固定增益(MAX9724B) 0.02%的THD+N 高PSRR (1kHz时80dB)，无需LDO 内部集成有]]></description>
            <pubDate>Wed, 28 Mar 2012 11:30:15</pubDate>
            <category>耳机电路图</category>
            <author>秩名</author>
            <guid>https://www.elecfans.com/dianlutu/erji/20120328265951.html</guid>
        </item><item>
            <title><![CDATA[3V小耳放放大电路]]></title>
            <link>https://www.elecfans.com/dianlutu/erji/20120131258715.html</link>
            <description><![CDATA[近代很多新设备中都备置有耳机连接端子。但由于采用高度集成和小型化的设计，因此没有多少空间留给耳机放大部分，对此要求相应的放大器做得十分小巧，而且能解决低供给电源电]]></description>
            <pubDate>Tue, 31 Jan 2012 11:20:13</pubDate>
            <category>耳机电路图</category>
            <author>叶子</author>
            <guid>https://www.elecfans.com/dianlutu/erji/20120131258715.html</guid>
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            <title><![CDATA[简易耳机放大器电路图]]></title>
            <link>https://www.elecfans.com/dianlutu/erji/20110824211795.html</link>
            <description><![CDATA[放大器是能把输入讯号的电压或功率放大的装置。 放大器 的放大作用是用输入信号控制能源来实现的，放大所需功耗由能源提供。对于线性放大器，输出就是输入信号的复现和增强。]]></description>
            <pubDate>Wed, 24 Aug 2011 17:33:25</pubDate>
            <category>耳机电路图</category>
            <author>秩名</author>
            <guid>https://www.elecfans.com/dianlutu/erji/20110824211795.html</guid>
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            <title><![CDATA[分立元件制作的耳机放大器电路]]></title>
            <link>https://www.elecfans.com/dianlutu/erji/20110708205576.html</link>
            <description><![CDATA[分立元件制作的耳机放大器电路功放采用220V交流供电，由2N5551和S8050构成。]]></description>
            <pubDate>Fri, 08 Jul 2011 15:13:26</pubDate>
            <category>耳机电路图</category>
            <author>网络</author>
            <guid>https://www.elecfans.com/dianlutu/erji/20110708205576.html</guid>
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            <title><![CDATA[立体声耳机放大电路(带有关断功能)]]></title>
            <link>https://www.elecfans.com/dianlutu/erji/MAX9722.html</link>
            <description><![CDATA[立体声耳机放大器，5V、差分输入、DirectDrive、130mW(带有关断功能)。]]></description>
            <pubDate>Sat, 16 Apr 2011 10:11:15</pubDate>
            <category>耳机电路图</category>
            <author>summao</author>
            <guid>https://www.elecfans.com/dianlutu/erji/MAX9722.html</guid>
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            <title><![CDATA[装在帽子里的助听器电路图]]></title>
            <link>https://www.elecfans.com/dianlutu/erji/20100803221266.html</link>
            <description><![CDATA[这种装在帽子里的助听器，戴上帽子就带上了耳聋助听器，使用方便。图249是其电路图。来自驻极话筒CRZ的微]]></description>
            <pubDate>Tue, 03 Aug 2010 00:04:59</pubDate>
            <category>耳机电路图</category>
            <author>nana</author>
            <guid>https://www.elecfans.com/dianlutu/erji/20100803221266.html</guid>
        </item><item>
            <title><![CDATA[NE5532设计的高保真立体声耳机放大器]]></title>
            <link>https://www.elecfans.com/dianlutu/erji/20100603218903.html</link>
            <description><![CDATA[这是一款德国人用NE5532设计的高保真立体声耳机放大器，NE5532 是广大音响. 爱好者所熟知的HI-FI 级前置放大集成电路，其出色的音质表现被广大发烧友所推崇；虽]]></description>
            <pubDate>Thu, 03 Jun 2010 15:03:04</pubDate>
            <category>耳机电路图</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/dianlutu/erji/20100603218903.html</guid>
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            <title><![CDATA[HWD2163组成的耳机功放电路图]]></title>
            <link>https://www.elecfans.com/dianlutu/erji/20100331213704.html</link>
            <description><![CDATA[HWD2163组成的耳机功放电路图
图2为耳机控制功能工作示意图，当没有耳机插头接入插孔时，R1-R2分压电阻使提供到HP-IN管脚（16脚）的]]></description>
            <pubDate>Wed, 31 Mar 2010 09:36:59</pubDate>
            <category>耳机电路图</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/dianlutu/erji/20100331213704.html</guid>
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            <title><![CDATA[分立元件耳机放大电路]]></title>
            <link>https://www.elecfans.com/dianlutu/erji/20100202161258.html</link>
            <description><![CDATA[分立元件耳机放大电路

]]></description>
            <pubDate>Tue, 02 Feb 2010 11:39:19</pubDate>
            <category>耳机电路图</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/dianlutu/erji/20100202161258.html</guid>
        </item><item>
            <title><![CDATA[TA7376组成的耳机放大电路]]></title>
            <link>https://www.elecfans.com/dianlutu/erji/20100202161256.html</link>
            <description><![CDATA[TA7376组成的耳机放大电路
用头戴式耳机，尤其是小型耳机听音乐，总感到音乐味不够足，在低频段的效果更差。因此用本机增强耳机的低频特性，]]></description>
            <pubDate>Tue, 02 Feb 2010 11:35:53</pubDate>
            <category>耳机电路图</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/dianlutu/erji/20100202161256.html</guid>
        </item><item>
            <title><![CDATA[JFET-MOSFET耳机功放电路]]></title>
            <link>https://www.elecfans.com/dianlutu/erji/20100130160440.html</link>
            <description><![CDATA[JFET-MOSFET耳机功放电路
]]></description>
            <pubDate>Sat, 30 Jan 2010 14:47:30</pubDate>
            <category>耳机电路图</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/dianlutu/erji/20100130160440.html</guid>
        </item><item>
            <title><![CDATA[电脑的麦克风电路]]></title>
            <link>https://www.elecfans.com/dianlutu/erji/20100130160431.html</link>
            <description><![CDATA[电脑的麦克风电路
The sound card for a PC generally has a microphone input, speaker output and sometimes line inputs and outputs. The mic input]]></description>
            <pubDate>Sat, 30 Jan 2010 14:24:16</pubDate>
            <category>耳机电路图</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/dianlutu/erji/20100130160431.html</guid>
        </item><item>
            <title><![CDATA[双三极管ECC822电子管组成的OTL耳机放大器电路]]></title>
            <link>https://www.elecfans.com/dianlutu/erji/20100130160415.html</link>
            <description><![CDATA[双三极管ECC822电子管组成的OTL耳机放大器电路
如图所示电路，用双三极管ECC82(相当于E802C、E82CC、与北美12AU7、国]]></description>
            <pubDate>Sat, 30 Jan 2010 14:04:32</pubDate>
            <category>耳机电路图</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/dianlutu/erji/20100130160415.html</guid>
        </item><item>
            <title><![CDATA[红外无线耳机放大器电路-Infrared cordless]]></title>
            <link>https://www.elecfans.com/dianlutu/erji/20091226147458.html</link>
            <description><![CDATA[红外无线耳机放大器电路-Infrared cordless Headphone Amplifier
]]></description>
            <pubDate>Sat, 26 Dec 2009 12:53:37</pubDate>
            <category>耳机电路图</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/dianlutu/erji/20091226147458.html</guid>
        </item><item>
            <title><![CDATA[自制红外无线耳机的设计]]></title>
            <link>https://www.elecfans.com/dianlutu/erji/20091224145922.html</link>
            <description><![CDATA[自制红外无线耳机的设计
　本文介绍的这款无线耳机借助红外线来实现音频信号的近距离传递，其发射与接收部分均由数字电路构成，制作成本低]]></description>
            <pubDate>Thu, 24 Dec 2009 17:57:54</pubDate>
            <category>耳机电路图</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/dianlutu/erji/20091224145922.html</guid>
        </item><item>
            <title><![CDATA[便携式混频器电路 Portable Mixer]]></title>
            <link>https://www.elecfans.com/dianlutu/erji/20091224145124.html</link>
            <description><![CDATA[便携式混频器电路 Portable Mixer
Design description: 
The target of this project was the design of a small portable mixer supplied by a]]></description>
            <pubDate>Thu, 24 Dec 2009 10:28:09</pubDate>
            <category>耳机电路图</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/dianlutu/erji/20091224145124.html</guid>
        </item><item>
            <title><![CDATA[便携式麦克风前置放大器 (Portable Micropho]]></title>
            <link>https://www.elecfans.com/dianlutu/erji/20091224145114.html</link>
            <description><![CDATA[便携式麦克风前置放大器 (Portable Microphone Preamplifier)

P]]></description>
            <pubDate>Thu, 24 Dec 2009 10:23:09</pubDate>
            <category>耳机电路图</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/dianlutu/erji/20091224145114.html</guid>
        </item><item>
            <title><![CDATA[Amplified Ear 扩增耳 (耳机放大器电路)]]></title>
            <link>https://www.elecfans.com/dianlutu/erji/20091224145109.html</link>
            <description><![CDATA[Amplified Ear 扩增耳 (耳机放大器电路)

Parts: 
]]></description>
            <pubDate>Thu, 24 Dec 2009 10:21:40</pubDate>
            <category>耳机电路图</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/dianlutu/erji/20091224145109.html</guid>
        </item><item>
            <title><![CDATA[耳机放大器电路 (Headphone Amplifier)]]></title>
            <link>https://www.elecfans.com/dianlutu/erji/20091224145102.html</link>
            <description><![CDATA[耳机放大器电路 (Headphone Amplifier)

Amplifier parts: ]]></description>
            <pubDate>Thu, 24 Dec 2009 10:19:33</pubDate>
            <category>耳机电路图</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/dianlutu/erji/20091224145102.html</guid>
        </item><item>
            <title><![CDATA[立体声耳机放大器电路]]></title>
            <link>https://www.elecfans.com/dianlutu/erji/2009090288864.html</link>
            <description><![CDATA[立体声耳机放大器电路
关键特性
提高RF噪声抑制(高达67dB，远远优于典型放大器) 
无需大容量隔直]]></description>
            <pubDate>Wed, 02 Sep 2009 11:35:45</pubDate>
            <category>耳机电路图</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/dianlutu/erji/2009090288864.html</guid>
        </item><item>
            <title><![CDATA[单端甲类小胆机的制作经验总结]]></title>
            <link>https://www.elecfans.com/dianlutu/erji/2009073182423.html</link>
            <description><![CDATA[单端甲类小胆机的制作经验总结
1、现在很多自己动手制作胆机的朋友很多都是按照一些参考电路来仿制，其对参考电路中的很多技术]]></description>
            <pubDate>Fri, 31 Jul 2009 21:56:12</pubDate>
            <category>耳机电路图</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/dianlutu/erji/2009073182423.html</guid>
        </item><item>
            <title><![CDATA[6N9C组成的无输出变压器的耳机放大器(含电路图)]]></title>
            <link>https://www.elecfans.com/dianlutu/erji/2009073182422.html</link>
            <description><![CDATA[6N9C组成的无输出变压器的耳机放大器(含电路图)
]]></description>
            <pubDate>Fri, 31 Jul 2009 21:36:17</pubDate>
            <category>耳机电路图</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/dianlutu/erji/2009073182422.html</guid>
        </item><item>
            <title><![CDATA[分立元件构成的耳机放大电路]]></title>
            <link>https://www.elecfans.com/dianlutu/erji/2009073182421.html</link>
            <description><![CDATA[分立元件构成的耳机放大电路
下图是由三极管，二极管，电阻等分立元件组成的耳机放]]></description>
            <pubDate>Fri, 31 Jul 2009 21:27:53</pubDate>
            <category>耳机电路图</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/dianlutu/erji/2009073182421.html</guid>
        </item><item>
            <title><![CDATA[插孔自动检测电路]]></title>
            <link>https://www.elecfans.com/dianlutu/erji/2009071878710.html</link>
            <description><![CDATA[以典型的耳机插孔电路(图1)为例。如图所示，在检测引脚连接一个上拉电阻，这样即可产生一个信号，表示耳机或其它外部装置是否插入插孔。典型连接中，如果有某个外部装置插]]></description>
            <pubDate>Sat, 18 Jul 2009 12:43:32</pubDate>
            <category>耳机电路图</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/dianlutu/erji/2009071878710.html</guid>
        </item><item>
            <title><![CDATA[驻极体麦克风的电气模型]]></title>
            <link>https://www.elecfans.com/dianlutu/erji/2009071878709.html</link>
            <description><![CDATA[典型的驻极体麦克风(图3)有一个电容元件，其电容随机械振动发生变化，从而产生与声波成比例的变化电压。驻极体麦克风始终具有内部静态电荷，无需外部电源。不过，仍然]]></description>
            <pubDate>Sat, 18 Jul 2009 12:42:39</pubDate>
            <category>耳机电路图</category>
            <author>佚名</author>
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PCB图]]></description>
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PMS_04


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6SN7+6V6牛出


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