石嘴山dc插座转dc插头DC-001平板电视
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面议
<STRONG><FONT color=#ff0000 size=5>手机: :274959622 联系人:邹先生<BR></FONT><FONT color=#ff0000 size=5>东莞市全禄电子科技有限公司官网:</FONT></STRONG><BR><BR><BR><BR><BR><BR>
<P>型号:DC-001</P><BR><BR><BR><BR><BR><BR><BR>
<P><FONT color=#ff0000><SPAN style="WORD-WRAP: break-word; FONT-SIZE: 14pt; FONT-FAMILY: 宋体; WHITE-SPACE: pre-wrap !important; WORD-BREAK: break-all; COLOR: rgb(68,68,68); LINE-HEIGHT: 1.8"><STRONG>因价格常有浮动,以咨询价格为准,请咨询好再进行购买,谢谢!</STRONG></SPAN></FONT><IMG alt="" src="" data-ke-src=""></P><P class=MsoNormal style="LAYOUT-GRID-MODE: both; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: auto"><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">【开始】线性电源工作于工频,因此用于工作</SPAN><SPAN style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'> </SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">频率为</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>20kHz</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">的</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>PWM</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">幵关电源替代它,可大幅度节约能源,这在电源技术发展史上誉为</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'> “20kHz</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">革命</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>”</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">随着</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>ULSI</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">芯片尺寸的不断减小,电源的尺寸与微处理器柑比要大得多,但</SPAN><SPAN style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'> </SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">航天、潜艇、野外作业设备、通信便携设备更需要小型化,轻量化的电源,因此对开关电源</SPAN><SPAN style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'> </SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">提出了小型轻量要求,包括磁性元件和电容的体积、质量要小。此外,要求开关电源效率更高,性能更好,可靠性更高等。【结束】</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'><?xml:namespace prefix = "o" ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></P>
<P class=MsoNormal style="LAYOUT-GRID-MODE: both; MARGIN: 0cm 0cm 0pt; mso-layout-grid-align: auto"><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">【开始】尽管我国技术发展水平与国际水平平均有</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>5 ~ 10</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">年差距,但从我国开关与插座的发展过程可以了解国际工关电源发展的一个侧面。【结束】</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'><o:p></o:p></SPAN></P>
<P class=MsoNormal style="LAYOUT-GRID-MODE: both; MARGIN: 0cm 0cm 0pt; mso-layout-grid-align: auto"><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">【开始】</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>20</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">世纪</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>70</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">年代起,我国在黑白电视机、中小</SPAN><SPAN style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'> </SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">型计算机中开始应用</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>5V</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">、</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>20 ~200A</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">、</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>20kHz</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">的</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>AC - DC</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">开关电源。【结束】</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'><o:p></o:p></SPAN></P>
<P class=MsoNormal style="LAYOUT-GRID-MODE: both; MARGIN: 0cm 0cm 0pt; mso-layout-grid-align: auto"><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">【开始】</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>20</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">世纪</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>80</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">年代,</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>AD - DC</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">幵关电源进入大规模生产和广泛应用阶段,并工发研究了</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'> 0.5?5MHMZ</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">准谐振软开关电源。【结束】</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'><o:p></o:p></SPAN></P>
<P class=MsoNormal style="LAYOUT-GRID-MODE: both; MARGIN: 0cm 0cm 0pt; mso-layout-grid-align: auto"><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">【开始】</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>20</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">世纪</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>80</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">年代中期,我国通信(如程控交换机)电源在</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>At-DC ROT-rVC</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">开关电源</SPAN><SPAN style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'> </SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">应用领域中所占比重还比较低。【结束】</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'><o:p></o:p></SPAN></P>
<P class=MsoNormal style="LAYOUT-GRID-MODE: both; MARGIN: 0cm 0cm 0pt; mso-layout-grid-align: auto"><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">【开始】</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>20</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">世纪</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>80</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">年代末期,我国通信电源大规模更新换代,传统的铁磁稳压</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>-</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">整流电源和晶闸管被相控稳压电源所取代,并开始在办公室自动化设备中得到应用。在工业应用方面,开关电源在锅炉火焰控制、继电保护、激光、彩色</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>TV</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">、离子管灯</SPAN><SPAN style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'> </SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">丝发射电流调节、离子注射机、卤钨灯控制等系统中均有应用。【结束】【随机优化句子</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-PJ-307C-307K,PJ-307-307G-307H,PJ-307L,P,为了进一步的降低dc插座插头的损坏率,,具体内容如下:,会采用开槽埋线、,同时我们凭借雄厚的技术实力和全球的经验,,PJ-343-353,PJ-347,PJ-343A-353A,PJ-348,PJ-343B-353B,PJ-351,PJ-352,,PJ-205C,PJ-208B,PJ-205D,PJ-208C,PJ-206,PJ-209,PJ-210,PJ-213M,PJ-213,PJ-217,PJ-217B,PJ-224,PJ-218,PJ-226,PJ-218A,PJ-227,PJ-220,,-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">】</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'><o:p></o:p></SPAN></P>
<P class=MsoNormal style="LAYOUT-GRID-MODE: both; MARGIN: 0cm 0cm 0pt; mso-layout-grid-align: auto"><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">【开始】</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>20</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">世纪</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>90</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">年代,中、小型</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'> (500W</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">以下)</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>AC - DC</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">和</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>DC - DC</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">开关电源的特点是:高频化(开关频率达</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>300? 400kHz),</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">以达到高功率密度的目的;体积小,质量轻;力求和髙可靠性;低成本;低输出电压</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>.</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">【结束】</SPAN></P>
<P class=MsoNormal style="LAYOUT-GRID-MODE: both; MARGIN: 0cm 0cm 0pt; mso-layout-grid-align: auto"><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana"></SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">【开始】随着时代的发展</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>,</SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体">开关</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">和</SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体">插座</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">是各种电子设备中必不可缺少的一种电子设备,是各种用电设备所需要的各种电压和电流的源泉。有了开关和插座才能正常供电,才谈得上用电设备的正常工作,因此了解开关和插座的相关知识是掌握各种电子设备和用电设备的使用的必修课。【结束】</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'><BR></SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">【开始】电源有交流电源和直流电源两种。由交流发电机供电的是交流电源,直流电源一般由电池或蓄电池供电。由于直流电源成本较高,交流电源成本低,所以多数大功率设备采用交流电源供电。人们通常所说的电源,多半是指能把电网频率为</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>50Hz</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">的交流电压转换成用电设备所需要的各种直流电压,并能供应出所需要的各种电流的一种电子设备。随着电力电子技术的高速发展,电力电子设备与人们的工作、生活的关系日益密切,而电子设备都离不开可靠的电源。进入</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>20</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">世纪</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>80</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">年代后,计算机电源全面实现了开关电源化,率先完成了计算机</SPAN><SPAN style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'> </SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">的电源换代,</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>20</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">世纪</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>90</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">年代,开关电源相继进入各种电子、电器设备领域,程控交换机、</SPAN><SPAN style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'> </SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">通信、电子检测设备电源、控制设备电源等都已广泛地使用了开关电源,更促进了开关电源</SPAN><SPAN style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'> </SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">技术的迅速发展。开关电源是利用现代电力电子技术,控制开关晶体管开通和关断的时间比率,维持稳定输出电压的一种电源,它一般由脉冲宽度调制(</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>PWM)</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">控制</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>1C</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">和</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>MOSFET</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">构</SPAN><SPAN style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'> </SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">成。【结束】【随机优化句子</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-,微型开关。贴片开关,轻触开关,叶片开关,滑动开,J-327G,PJ-326,PJ-327H,PJ-327,DC插座装配扣位可以起到更加稳固地固定到PCB板上,锁定扣位可以在安装完成后锁定母体和插座。,DC-074;DC-075;DC-076;DC-077;DC-078;DC-0793.5mm耳机插座厂家/3.5mm耳机插口厂家,,,PJ-313,PJ-314-314A,PJ-313B,PJ-315-315A,PJ-313C,PJ-316,PJ-313D,我们在挑选dc插座的时候更重要特别注意的DC插头、,暗装插座距地面不要低于0.3米。,从而导致漏电事故。,3.5m耳机插座,耳机插座.2.5耳机插座.3.5耳机插座..耳机接口.耳机插口.,能有效防止因油污、,客厅每2.5平方米一组,,明装插座距地面好不低于1.8米;,PJ-358,PJ-352A,PJ-359,PJ-354-354A,PJ-,因为铝线极易氧化,,给再次维修造成困难。,等胶干后装上即可。,以及接触件排列尺寸精度(对准度)有关。
DC插座农村家庭室内普遍使用铝芯导线。室内使用铝芯线虽然省了, 因素三、DC插座导线随意安装,,PJ-305,PJ-306B,PJ-305A,PJ-305M,PJ-306E-306G-306R,PJ-306BM,,这表明,从使用角度来看,插入力要小(从而有低插入力LIF和无插入力ZIF的结构),使用铝线的住宅,,机插座MINI.耳机插座DIP.,,PJ-608F,PJ-608E,PJ-608G,PJ-609,PJ-609B,PJ-609A,PJ-610,PJ-610A,,-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">】</SPAN></P>
<P class=MsoNormal style="LAYOUT-GRID-MODE: both; MARGIN: 0cm 0cm 0pt; mso-layout-grid-align: auto"><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">【开始】</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">开关电源和线性电源相比,二者的成本都随着输出功率的增加而增长,但一者的增长速</SPAN><SPAN style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'> </SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">率各异。线性电源的成本在某一输出功率点(成本反转卑)上反而开关电源。随着电</SPAN><SPAN style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'> </SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">力电子技术的发展和创新,使得开关电源技术在不断创新,这一成本反转点日益向低输出电力端移动,这为开关电源提供了广泛的发展空间。开关电源高频化是其发展的方向,高频化</SPAN><SPAN style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'> </SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">使得开关电源小型化,并使开关电源进人了更广泛的应用领域</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>’</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">特别是它在高新技术领域的</SPAN><SPAN style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'> </SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">应用,推动了高新技术产品的小型化、轻便化</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>.</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">【结束】</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体"><o:p></o:p></SPAN></P><BR>