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3KDAT-31R5-PP+T 参数 Datasheet PDF下载

3KDAT-31R5-PP+T图片预览
型号: 3KDAT-31R5-PP+T
PDF下载: 下载PDF文件 查看货源
内容描述: [Variable Attenuator, 0MHz Min, 2400MHz Max, 2.4dB Insertion Loss-Max, 4 X 4 MM, ROHS COMPLIANT, DG983-1, 20 PIN]
分类和应用: 衰减器射频微波
文件页数/大小: 12 页 / 482 K
品牌: MINI [ MINI-CIRCUITS ]
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Digital Step Attenuator  
DAT-31R5-PP+  
Power-up Control Settings  
The DAT-31R5-PP+ always assumes a specifiable attenuation setting on power-up, allowing a known at-  
tenuation state to be established before an initial parallel control word is provided.  
When the attenuator powers up with LE=0, the control bits are automatically set to one of four possible val-  
ues .These four values are selected by the two power-up control bits,PUP1 and PUP2 ,as shown in table 3:  
(Power-Up Truth Table, Parallel Mode).  
Table 3. Power-Up Truth Table, Parallel Mode  
Attenuation State  
Reference  
8 (dB)  
PUP1  
PUP2  
LE  
0
0
0
1
1
0
1
0
1
0
16 (dB)  
0
31 (dB)  
0
Defined by C0.5-C16  
(See Table 1-Truth Table)  
X (Note 1)  
X (Note 1)  
1
Note 1: PUP1 and PUP2 Connection may be 0, 1, GROUND, or not con-  
nect, without effect on attenuation state.  
Power-Up with LE=1 provides normal parallel operation with C0.5-C16, and PUP1 and PUP2 are not active.  
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