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æµ…æžé«˜é¢‘å˜åŽ‹å™¨å·¥ä½œé¢‘率分ç±?/h3>
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<span>æ–‡ç« å‡ºå¤„ï¼?a href=""><a href="http://cfdz.nsw888.com">深圳市晨飞电å有é™å…¬å?/a></a></span><span>网责任编辑：<a href="http://cfdz.nsw888.com">NSW</a></span><span>作者：<a href="http://cfdz.nsw888.com">NSW</a></span><span>人气ï¼?span
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<p><span style="font-size: 14px">　　<a href="http://www.chenfeipower.com ">高频å˜åŽ‹å™?/a>是工作频率超过ä¸é¢?10kHz)的电æºå˜åŽ‹å™¨ï¼Œä¸»è¦ç”¨äºŽé«˜é¢‘开关电æºä¸ä½œé«˜é¢‘开关电æºå˜åŽ‹å™¨ï¼Œä¹Ÿæœ‰ç”¨äºŽé«˜é¢‘逆å˜ç”µæºå’Œé«˜é¢‘逆å˜ç„Šæœºä¸ä½œé«˜é¢‘逆å˜ç”µæºå˜åŽ‹å™¨çš„ã€‚æ ¹æ®å…¶å·¥ä½œé¢‘率，我们将高频å˜åŽ‹å™¨åˆ†ä¸ºä»¥ä¸‹å‡ 类：</span></p>
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<p><span style="font-size: 14px">　　一ã€æŒ‰é¢‘率范围分为</span></p>
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<p><span style="font-size: 14px">　　1. kHz级高频å˜åŽ‹å™¨ï¼Œå®ƒæ˜¯æŒ‡å·¥ä½œé¢‘率åœ?0kHzè‡³å‡ ç™¾kHz的高频å˜åŽ‹å™¨;</span></p>
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<p><span style="font-size: 14px">　　2. MHz级高频å˜åŽ‹å™¨ï¼Œå®ƒæ˜¯æŒ‡å·¥ä½œé¢‘率åœ?MHz以上的高频å˜åŽ‹å™¨ã€?/span></p>
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<p><span style="font-size: 14px">　　二�按工作频带分�/span></p>
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<p><span style="font-size: 14px">　　1. å•é¢‘或窄频级高频å˜åŽ‹å™¨ï¼Œå®ƒæ˜¯æŒ‡å·¥ä½œé¢‘率为å•é¢‘或是一个很窄的频段，如å˜æ¢å™¨å˜åŽ‹å™¨ã€æŒ¯è¡å™¨å˜åŽ‹å™¨ç‰;</span></p>
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<p><span style="font-size: 14px">　　2. 宽频带å˜åŽ‹å™¨ï¼Œå®ƒæ˜¯æŒ‡å·¥ä½œåœ¨ä¸€ä¸ªå¾ˆå®½é¢‘率范围内的å˜åŽ‹å™¨ï¼Œå¦‚阻抗å˜æ¢å™¨å˜åŽ‹å™¨ã€é€šè®¯å˜åŽ‹å™¨ã€å®½å¸¦åŠŸçŽ‡æ”¾å¤§å™¨å˜åŽ‹å™¨ç‰ã€?/span></p>
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<p><span style="font-size: 14px">　　高频å˜åŽ‹å™¨ä¼ é€åŠŸçŽ‡æ¯”较大的情况下，功率器件一般采ç”?IGBT，由于IGBTå˜åœ¨å…³æ–电æµæ‹–尾现象，所以工作频率比较低;ä¼ é€åŠŸçŽ‡æ¯”较å°çš„a，å¯ä»¥é‡‡ç”¨MOSFET，工作频率就比较高ã€?/span></p>
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