TDK Network Card HHM Series HHM1791A1 User Manual

(1/2)  
Conformity to RoHS Directive  
Multilayer Chip Baluns  
For WiMAX  
HHM Series HHM1791A1  
SHAPES AND DIMENSIONS  
1.6 0.1  
5
0.6 0.1  
6
4
3
Terminal functions  
1
2
1
2
3
4
5
6
N.C.  
GND  
Balanced port  
Balanced port  
GND  
0.55 0.1  
0.3 0.1  
Unbalanced port  
0.1 0.1 0.25 0.1  
Dimensions in mm  
CIRCUIT DIAGRAM  
6
5
4
Unbalanced  
input  
50  
Balanced  
output  
100Ω  
1
2
3
RECOMMENDED PC BOARD PATTERNS  
0.25  
0.25  
This width is 50.  
Micro-strip line for 0.4mm thick  
glass-epoxy substrate.  
6
1
5
2
4
3
0.3  
0.3  
ø0.3 Through-hole  
Dimensions in mm  
ELECTRICAL CHARACTERISTICS  
Unbalanced impedance  
Balanced impedance  
50  
100Ω  
Frequency range  
2500 to 2700MHz  
10dB min.  
180 10deg  
0 2.2dB  
0.8dB max.  
–40 to +85°C  
–40 to +85°C  
4000pieces/reel  
Unbalanced port return loss  
Phase imbalance at balanced port  
Amplitude imbalance at balanced port  
Insertion loss  
Operating  
Temperature range  
Storage  
Packaging style and quantities  
Conformity to RoHS Directive: This means that, in conformity with EU Directive 2002/95/EC, lead, cadmium, mercury, hexavalent chromium, and  
specific bromine-based flame retardants, PBB and PBDE, have not been used, except for exempted applications.  
• All specifications are subject to change without notice.  
002-01 / 20080520 / e751_hhm1791a1.
 

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