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style="line-height:24px;"><p style="text-indent:2em;"> 很多人对äº?a href="http://www.uimpactfund.com/ppfxy/" target="_blank">频谱分析ä»?/a>的了解非常有限,但今天我们先把这个以及SK¾pÕdˆ—½E‹æŽ§<b><a href="http://www.uimpactfund.com/" target="_blank" style="font-weight:bold">直流½E›_®šç”‰|º</a></b>、频谱分析äÈA、等诸如此类的问题都放下åQŒæ¥çœ‹çœ‹"<a href="http://www.uimpactfund.com/zlwddy/" target="_blank">直流½E›_®šç”‰|º</a>的作ç”?直流½E›_®šç”‰|ºçš„知è¯?åQŒå¸Œæœ›æ‚¨èƒ½æœ‰æ›´å¤šçš„了è§?</p><p style="text-align:center;"><img alt="【技巧】直‹¹ç¨³å®šç”µæºçš„作用 直流½E›_®šç”‰|ºçš„知è¯? src="http://cmsimgshow.zhuchao.cc/22556/20150625062708.jpg?path=www.uimpactfund.com/uploads/cp/20150625062708.jpg" /></p><p style="text-indent:2em;">在我们的生活中离不开电,½W¬äºŒ‹Æ¡ç§‘技革命中电‹¹çš„用途已¾lè¢«äºÞZ»¬æ‰€ç†ŸçŸ¥òq¶ä¸”òq¿æ³›åº”用。那么,什么是直流½E›_®šç”‰|ºæ‚¨çŸ¥é“吗åQŸä¸‹é¢å°¾~–就向大家来具体介绍一下ã€?/p><p style="text-indent:2em;">直流½E›_®šç”‰|ºèƒ½äؓ负蝲提供½E›_®šç›´æµç”‰|ºçš„电子装¾|®ã€‚ç›´‹¹ç¨³åŽ‹ç”µæºçš„供电甉|ºå¤§éƒ½æ˜¯äº¤‹¹ç”µæºï¼Œå½“交‹¹ä¾›ç”는µæºçš„电压或负载电é˜Õd˜åŒ–æ—¶åQŒç¨³åŽ‹å™¨çš„ç›´‹¹è¾“出电压都会保持稳定ã€?直流½E›_Ž‹ç”‰|ºéšç€ç”µå­è®‘Ö¤‡å‘高¾_‘Öº¦ã€é«˜½E›_®šæ€§å’Œé«˜å¯é æ€§çš„方向发展åQŒå¯¹ç”µå­è®‘Ö¤‡çš„ä¾›ç”는µæºæå‡ÞZº†é«˜çš„要求ã€?/p><p style="text-indent:2em;">ç”׃ºŽç”µå­æŠ€æœ¯çš„ç‰ÒŽ€§ï¼Œç”µå­è®‘Ö¤‡å¯¹ç”µæºç”µè·¯çš„要求ž®±æ˜¯èƒ½å¤Ÿæä¾›æŒç®‹½E›_®šã€æ»¡­‘Œ™´Ÿè½½è¦æ±‚的电能åQŒè€Œä¸”通常情况下都要求提供½E›_®šçš„ç›´‹¹ç”µèƒ½ã€‚提供这¿Uç¨³å®šçš„直流电能的电源就是直‹¹ç¨³åŽ‹ç”µæºã€‚ç›´‹¹ç¨³åŽ‹ç”µæºåœ¨ç”‰|ºæŠ€æœ¯ä¸­å æœ‰ååˆ†é‡è¦çš„地位。另外,很多电子爱好者初学阶ŒDµé¦–先遇到的ž®±æ˜¯è¦è§£å†³ç”µæºé—®é¢˜ï¼Œå¦åˆ™ç”µèµ\无法工作、电子制作无法进行,学习ž®±æ— ä»Žè°ˆèµ—÷€?/p><p style="text-indent:2em;">我们的生‹zȝ¦»ä¸å¼€ç”µï¼Œä½¿ç”¨ç›´æµ½E›_®šç”‰|ºç›´æµåQŒç›´‹¹ç¨³å®šç”µæºçš„作用让您的生‹zȝ•…通无阻!</p><p style="text-indent:2em;"> <span style="color:#0020FF;">您可能会喜欢åQ?a href="http://www.uimpactfund.com/news/59.html">【图文】信号发生器是什ä¹?信号发生器的作用</a></span> </p><p style="text-indent:2em;"> 直流½E›_Ž‹ç”‰|º 又称直流½E›_Ž‹å™¨ã€‚它的供ç”는µåŽ‹å¤§éƒ½æ˜¯äº¤æµç”µåŽ‹åQŒå½“交流供电电压的电压或输出负蝲电阻变化æ—Óž¼Œ½E›_Ž‹å™¨çš„直接输出电压都能保持½E›_®šã€?/p><p style="text-indent:2em;">从工作方式上可分为:</p><p style="text-indent:2em;">①可控整‹¹åž‹ã€‚用改变晉™—¸½Ž¡çš„导通时间来调整输出电压ã€?/p><p style="text-indent:2em;">②斩波型。输入是不稳定的直流电压åQŒä»¥æ”¹å˜å¼€å…³ç”µè·¯çš„通断比得到单向脉动直‹¹ï¼Œå†ç»æ»¤æ‡L后得到稳定直‹¹ç”µåŽ‹ã€?/p><p style="text-indent:2em;">③变换器型。不½E›_®šç›´æµç”µåŽ‹å…ˆç»é€†å˜å™¨å˜æ¢æˆé«˜é¢‘交流电,再经变压、整‹¹ã€æ×o波后åQŒä»Žæ‰€å¾—æ–°çš„ç›´‹¹è¾“出电压取æ øP¼Œåé¦ˆæŽ§åˆ¶é€†å˜å™¨å·¥ä½œé¢‘率,辑ֈ°½E›_®šè¾“出直流电压的目的ã€?/p><p style="text-indent:2em;">目前åQŒç›´‹¹ç¨³åŽ‹ç”µæºæ­£å‘小型、高效、数字化发展åQŒè¶Šæ¥è¶Šå¤šçš„采用单片机控制开å…ÏxŠ€æœ¯ï¼Œå¤§å¤§æé«˜äº†ç¨³åŽ‹ç”µæºçš„转换效率以及讑֤‡çš„稳定性ã€?/p><p style="text-indent:2em;"> 通过本文的介¾lï¼Œç›æ€¿¡å¤§å®¶å¯¹äºŽâ€œç›´‹¹ç¨³å®šç”µæºçš„作用 直流½E›_®šç”‰|ºçš„知识”有了一定的了解åQŒå¦‚果想了解<span><a 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