
100W極低燥聲的電源,每格5MV.大家看看能算是極低燥聲的嗎?

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100周的紋波
500) {this.resized=true; this.width=500; this.alt='這是一張縮略圖,點(diǎn)擊可放大。\n按住CTRL,滾動(dòng)鼠標(biāo)滾輪可自由縮放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/50/1170393231.jpg');}" onmousewheel="return imgzoom(this);">

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@xue007
100周的紋波[圖片]500){this.resized=true;this.width=500;this.alt='這是一張縮略圖,點(diǎn)擊可放大。\n按住CTRL,滾動(dòng)鼠標(biāo)滾輪可自由縮放';this.style.cursor='hand'}"onclick="if(!this.resized){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/50/1170393231.jpg');}"onmousewheel="returnimgzoom(this);">
看不太清坐標(biāo),約六個(gè)mv,llc做成這樣兒,可以了,很不錯(cuò),是滿載紋波么?
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電源的照片
500) {this.resized=true; this.width=500; this.alt='這是一張縮略圖,點(diǎn)擊可放大。\n按住CTRL,滾動(dòng)鼠標(biāo)滾輪可自由縮放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/50/1170395084.jpg');}" onmousewheel="return imgzoom(this);">
500) {this.resized=true; this.width=500; this.alt='這是一張縮略圖,點(diǎn)擊可放大。\n按住CTRL,滾動(dòng)鼠標(biāo)滾輪可自由縮放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/50/1170395242.jpg');}" onmousewheel="return imgzoom(this);">


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@powershot
算是很不錯(cuò)的紋波和噪聲都很小連地線的干擾峰值也不是很明顯最好再用100MHZ的示波器看看
傳個(gè)100M的上來(lái)了:
500) {this.resized=true; this.width=500; this.alt='這是一張縮略圖,點(diǎn)擊可放大。\n按住CTRL,滾動(dòng)鼠標(biāo)滾輪可自由縮放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/50/1171376588.jpg');}" onmousewheel="return imgzoom(this);">
500) {this.resized=true; this.width=500; this.alt='這是一張縮略圖,點(diǎn)擊可放大。\n按住CTRL,滾動(dòng)鼠標(biāo)滾輪可自由縮放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/50/1171376602.jpg');}" onmousewheel="return imgzoom(this);">


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@xue007
傳個(gè)100M的上來(lái)了:[圖片]500){this.resized=true;this.width=500;this.alt='這是一張縮略圖,點(diǎn)擊可放大。\n按住CTRL,滾動(dòng)鼠標(biāo)滾輪可自由縮放';this.style.cursor='hand'}"onclick="if(!this.resized){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/50/1171376588.jpg');}"onmousewheel="returnimgzoom(this);">[圖片]500){this.resized=true;this.width=500;this.alt='這是一張縮略圖,點(diǎn)擊可放大。\n按住CTRL,滾動(dòng)鼠標(biāo)滾輪可自由縮放';this.style.cursor='hand'}"onclick="if(!this.resized){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/50/1171376602.jpg');}"onmousewheel="returnimgzoom(this);">
紋波已經(jīng)算很小的了!看來(lái)電源整流管的應(yīng)力也很小、是嗎?AHB嗎?還是LLC?你再改變一下431的反饋或調(diào)節(jié)PID反饋參數(shù),工頻紋波還會(huì)大大減小的.
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@cccctv
有空給上上課,沒(méi)接觸過(guò)這種
標(biāo)準(zhǔn)的LLC諧振電路
500) {this.resized=true; this.width=500; this.alt='這是一張縮略圖,點(diǎn)擊可放大。\n按住CTRL,滾動(dòng)鼠標(biāo)滾輪可自由縮放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/51/1173668430.jpg');}" onmousewheel="return imgzoom(this);">

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