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BA1011 参数 Datasheet PDF下载

BA1011图片预览
型号: BA1011
PDF下载: 下载PDF文件 查看货源
内容描述: [Isolator, 62MHz Min, 72MHz Max]
分类和应用: 射频微波
文件页数/大小: 58 页 / 1041 K
品牌: TEMEX [ TEMEX ]
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FERRITE DEVICES  
Technical information / Electrical features  
Load VSWR  
Power rating of a ferrite device depends on the mismatch at the output port (load VSWR); for instance,  
for an isolator, if load VSWR is 2: 1, more than 10% of the input power is reflected inside the ferrite  
device to the internal load.  
In case of short-circuit (infinite load VSWR), the ferrite device has to handle the equivalent of twice  
the input CW-power, and the equivalent of a peak power equal to 4 times the input power, based on  
the higher internal voltage levels.  
Therefore, the time-duration of short circuit or high load VSWR is needed in order to determine an  
adequate safety margin.  
Third order interm odulation products (IMP  
)
32  
Harmonics and third order intermodulation products appear when non-linear elements are used such  
as ferrite materials, metal welds, surface finish, etc.  
When two tones - F and F - are applied to a ferrite device, the relative amplitudes of 2F - F and  
1
2
1
2
2F -F are critical in some communication systems and should be specified when ordering (see Fig. 8).  
2
1
POWER  
P1  
IMP32  
P2  
PIM3  
2F1 - F2  
2F2 - F1  
F1  
F2  
FREQUENCY  
F  
FIG. 8  
Test conditions (to be specified)  
-
-
F and F  
1 2,  
P and P in W or dBm.  
1
2
Third order intermodulation products  
-
-
P
in dBm or,  
IM3  
IMP = P  
- P in dBc.  
1
32  
IM3  
15-7  
Vol. 1  
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