TDK Network Card HHM1775B1 User Manual

(1/2)  
Conformity to RoHS Directive  
Multilayer Chip Baluns  
For UWB  
HHM Series HHM1775B1  
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
Unbalanced port  
GND or DC feed+ RF GND  
Balanced port  
Balanced port  
GND  
0.55 0.1  
0.3 0.1  
N.C.  
0.1 0.1 0.25 0.1  
Dimensions in mm  
RECOMMENDED PC BOARD PATTERNS  
0.3 0.25  
0.25  
0.3  
Unbal port  
Bal port  
Land  
ø0.3 Through-hole  
Dimensions in mm  
Line width be designed to match 50characteristic impedance depending on  
PCB material and thickness.  
ELECTRICAL CHARACTERISTICS  
Unbalanced impedance  
Balanced impedance  
50  
100Ω  
Frequency range  
3100 to 4900MHz  
Unbalanced port return loss  
Phase imbalance at balanced port  
Amplitude imbalance at balanced port  
Insertion loss  
10dB min.  
180 15deg.  
0 1.5dB  
1.2dB max.  
–40 to +85°C  
–40 to +85°C  
4000pieces/reel  
Operating  
Storage  
Temperature range  
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.  
001-01 / 20080106 / e751_hhm1775b1.
 

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