《传导测试在500K超标.docx》由会员分享，可在线阅读，更多相关《传导测试在500K超标.docx（2页珍藏版）》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、传导测试在500K超标Freq(KHz)Peak Amptd(dBuV)QP Amptd(dBuV)Avg Amptd(dBuV)QP Lnnit(dBuV)AUnut(dBuV)Factoi(dB)1175.000066.7453.3853.3365.2955.29-1.9610.372215.000062.7850.0150.0764.1454.14-4.0810.373320.000057.1141.0342.6761.1451.14-8.4710.404405.000055.6836.7035.8258.7148.71-12.8910.415500.000053.5046.7847.6
2、156.0046.001.6110.406730.000051.2043.1543.5856.0046.00-2.4210.4171050.000049.9843.3043.1956.0046.00-2.8110.4381335.000049.0836.8338.3156.0046.00-7.6910.4691640.000045.2338.4537.9956.0046.00-8.0110.48以下是各人各种措施，看你走弯路了吗:1. C19加大;2. L2多几匝试;3. 整流桥并二一般高压电容；buck电容是150uf,余量不多;4. X电容用0. 1UF太小；Y电容2200PF以上;Eng
3、ineer Name: steven以下改善图:Medel Name: XXXX Test Mode:Index 6100-dBu/Ar.EN55014Date 2005 925 下午 E:5 5590-90.w70-50.50-岬 一一40-知.一i45620-10-/ to.MH:3而3(JoC19位置加2差模电感lOOuH, C19移到L2后，L2磁芯能用环状铁氧 体或非晶，尽量不用E、U类磁芯。|Frq(MHx)?k.nv ibpVQP Ajxpt 以 dBpW)Av?Aop 政出 P0QPLimit(dBpXV)Av5二向it(dBpW)Mirni(dB)FactondB)13270X)35 5529“260345.1035.10-9.071.91、4C80 , 、方口31M284145.4035.406993U48,9050J2.M2633239645.7035.70-11M2期465.1OM261945.3036.30-9.515101.55)029.4647.653Z65-S.19)22611977502820* *4B33313340.13159