1155705525.pdf
帶4Ω負(fù)載100W功率輸出是OK的,但在70~100W之間輸出時(shí)變壓器有"吱吱"聲,輸出主電壓為+/-24V,反饋電路處我有適當(dāng)更改參數(shù),"吱吱"聲能有所減小,并不能完全消除,現(xiàn)無(wú)對(duì)策,請(qǐng)大家?guī)兔χ附?
100W/4Ω功放電源問(wèn)題
全部回復(fù)(4)
正序查看
倒序查看
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/44/1155711286.jpg');}" onmousewheel="return imgzoom(this);">
線路圖
0
回復(fù)
@xghy200492
點(diǎn)擊后放大就可看到,或下載后將圖放大即可
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/44/1155714141.jpg');}" onmousewheel="return imgzoom(this);"> 0
回復(fù)
