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id="zoom"> <p style="line-height:24px;"><p style="text-indent:2em;"> 我公司是国内提供SK¾pÕdˆ—½E‹æŽ§<b><a href="http://www.uimpactfund.com/" target="_blank" style="font-weight:bold">直流½E›_®šç”‰|º</a></b>、等产品和服务的知名公司åQŒä¹‹å‰ä¹Ÿä¸ºå¤§å®¶ä»‹¾lè¿‡ä¸€äº?a href="http://www.uimpactfund.com/ppfxy/" target="_blank">频谱分析ä»?/a>相关的内容,今天ž®±å†æ¥å­¦ä¹ ä¸‹"<a href="http://www.uimpactfund.com/zlwddy/" target="_blank">直流½E›_®šç”‰|º</a>的作ç”?直流½E›_®šç”‰|ºè‡ªè²½E›_®šåº¦æ˜¯ä»€ä¹? </p><p style="text-align:center;"><img alt="【文章】直‹¹ç¨³å®šç”µæºçš„作用 直流½E›_®šç”‰|ºè‡ªè²½E›_®šåº¦æ˜¯ä»€ä¹? 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½E›_®šåQŒç›´‹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;">相关文章推荐åQ?a href="http://www.uimpactfund.com/news/148.html">【分享】直‹¹ç¨³å®šç”µæºè{换器发展 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style="text-indent:2em;">˜q™æ˜¯æŒ‡åœ¨æ‰€æœ‰å…¶å®ƒåª„响量保持不变æ—Óž¼Œç”׃ºŽè´Ÿè²çš„变化ä‹É输出甉|µåœ¨é¢å®šå€¼I和零之间变化时所引è“v的输出电压的相对变化量.负蝲½E›_®šåº¦çš„½W¦å·ä¸ºsl由定义可知第二节½E›_Ž‹åŽŸç†æ˜¯ç”¨æ¥è¯´æ˜Žçº¿æ€§è°ƒæ•´åž‹æ™¶ä½“½Ž¡ç›´‹¹ç¨³åŽ‹ç”µæºå·¥ä½œåŽŸç†çš„一¿UåŸºæœ¬ç¨³åŽ‹ç”µè·¯ã€‚El是整‹¹æ×o波电路的电动势RI是整‹¹æ×o波电路的½{‰æ•ˆå†…阻åQŒU是未¾lç¨³å®šçš„输入电压åQŒU2是输出的½E›_®šç”µåŽ‹åQŒI是输出电‹¹ï¼ŒRL是外负蝲åQŒç£æ˜¯è¿‡ç”‰|µä¿æŠ¤ç”µèµ\的检‹¹‹ç”µé˜»ï¼ŒBGä¸ø™°ƒæ•´ç®¡åQŒBG2为放大管åQŒD为基准稳压管åQŒR和R2为取æ ïL”µé˜»ï¼Ž˜q™ç§ž®†è°ƒæ•´çñ”与负载串联的½E›_Ž‹ç”‰|º¿UîCؓ串联型稳压电源。其调整作用是连¾l­çš„åQŒæ‰€ä»¥åˆ¿UîCؓ¾U¿æ€§è°ƒæ•´åž‹½E›_Ž‹ç”‰|ºåQŽè°ƒæ•´ä½œç”¨æ˜¯åˆ©ç”¨è´Ÿåé¦ˆçš„原理来获得的åQšç”µé˜»R和R2åQŒç»„成的分压器用来把输出电压U的变动量的一部分取出来,加至攑֤§½Ž¡BG的基¾U§ä¸ŠåQŒæ‰€ä»¥R和R2支èµ\¿UîCؓ取样电èµ\åQŽä»ŽR取得的电压U叫做取样电压åQŽäؓ了保证取æ ïL”µåŽ‹åªåæ˜ U的变动,而不受BG基极甉|µ1的媄响,在设计中要ä‹É通过R和R2的电‹¹I8˜qœå¤§äº?HZ。由¼‹…稳压管Df和限‹¹ç”µé˜»R¾l„成的电路用来提供基准电压,它等于稳压管D的稳定电压UråQŒåŠ åˆ°æ”¾å¤§ç®¡BG的发ž®„极。BGèµïL›´‹¹ç€ç›´æµ½E›_®šç”‰|ºè‡ªè²½E›_®šåº¦æ˜¯ä»€ä¹ˆå°†å–样电压Ub和基准电压Uz˜q›è¡Œæ¯”较òq¶å¯¹å…¶å·®å€ÆD¿›è¡Œæ”¾å¤§çš„作用åQŒæ‰€ä»¥ç§°ä¸ø™¯¯å·®æ”¾å¤§å™¨U和Uz的差值UAB¿UîCؓ误差电压åQŒUAB=UR是误差放大器的负载电阅R€‚从BG输出的控制电‹¹åŠ åˆ°è°ƒæ•´ç®¡BG的基极用来控制BG的基极电‹¹ï¼Œè¾‘Öˆ°¾l´æŒè¾“出电压˜q‘似不变的调整作用ã€?/p><p 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