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100X43W104DV4E 参数 Datasheet PDF下载

100X43W104DV4E图片预览
型号: 100X43W104DV4E
PDF下载: 下载PDF文件 查看货源
内容描述: [X2Y Filter & Decoupling Capacitors]
分类和应用:
文件页数/大小: 4 页 / 1370 K
品牌: JOHANSON [ JOHANSON TECHNOLOGY INC. ]
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®
x2y fIlter & decouPlIng  
caPacItors  
common mode cHoke replacement  
Measꢀred Common Mode Rejection  
• Superior High Frequency Emissions Reduction  
• Smaller Sizes, Lighter Weight  
• No Current Limitation  
• Vibration Resistant  
• No Saturation Concerns  
See our website for a detailed application note with component  
test comparisons and circuit emissions measurements.  
parallel capacitor Solution  
A common design practice is to parallel decade capacitance values to  
extend the high frequency performance of the filter network. This causes an  
unintended and often over-looked effect of anti-resonant peaks in the filter  
networks combined impedance. X2Y’s very low mounted inductance allows  
designers to use a single, higher value part and completely avoid the anti-  
resonance problem. The impedance graph on right shows the combined  
mounted impedance of a 1nF, 10nF & 100nF 0402 MLC in parrallel in RED.  
The MLC networks anti-resonance peaks are nearly 10 times the desired  
impedance. A 100nF and 47nF X2Y are plotted in BLUE and GREEN. (The  
total capacitance of X2Y (Circuit 2) is twice the value, or 200nF and 98nF in this  
example.) The sigle X2Y is clearly superior to the three paralleled MLCs.  
X2y HigH perFormance power BypaSS - improVe perFormance, reduce Space & ViaS  
Actual measured performance of two high performance SerDes FPGA designs demonstrate how a 13 component X2Y bypass network  
significantly out performs a 38 component MLC network. For more information see http://johansondielectrics.com/pdfs/JDI_X2Y_STXII.pdf  
13  
www.johansondielectrics.com  
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