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B1727 参数 Datasheet PDF下载

B1727图片预览
型号: B1727
PDF下载: 下载PDF文件 查看货源
内容描述: SAW中频滤波器卫星广播 [SAW IF filter Satellite radio]
分类和应用:
文件页数/大小: 10 页 / 85 K
品牌: EPCOS [ EPCOS ]
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SAW Components  
SAW IF filter  
B1727  
76.50 MHz  
Data sheet  
Matching network1) (based on four port measurement, quality factors QL = 40, QC = 90)  
Cs1 Cs4  
Cs1 = 12 pF  
p2 = 220 nH  
L
Lp2  
Lp3  
Lp3 = 680 nH  
Cs4 = 5.6 pF  
Cs1  
Cs4  
1) The input matching circuit has been designed as a power match of the filter’s input port to 175 . In a second step  
it has been optimized in a narrow range in order to operate at 27 with optimum filter performance.  
Please read cautions and warnings and  
important notes at the end of this document.  
4
February 19, 2010