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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 50Ω characteristic impedance depending on
PCB material and thickness.
ELECTRICAL CHARACTERISTICS
Unbalanced impedance
Balanced impedance
50Ω
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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