Multilayer Chip Baluns For WiMAX
HHM Series HHM1715E1
(1/2)
Conformity to RoHS Directive
SHAPES AND DIMENSIONS
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| 1.6±0.1 |
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| 0.6±0.1 |
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| 6 | 5 |
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| 4 |
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| 0.8±0.1 |
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1 | 2 |
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| 1 | Unbalanced port | ||||||||
0.55±0.1 |
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| 0.3±0.1 | |||||||||||||
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| 2 | GND or DC feed+ RF GND | ||||||||||||
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| 3 | Balanced port |
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| 4 | Balanced port |
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| 5 | GND |
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| 6 | N.C. |
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0.1±0.1 0.25±0.1 |
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CIRCUIT DIAGRAM
Unbalanced
input 50Ω
6 | 5 | 4 |
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| Balanced |
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| 100Ω |
1 | 2 | 3 |
RECOMMENDED PC BOARD PATTERNS
0.3 0.25 0.25
0.85
0.5
0.5 0.2
0.3
Unbal port | Bal port |
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| ø0.3 | Dimensions in mm |
Line width be designed to match 50Ω characteristic impedance depending on
PCB material and thickness.
ELECTRICAL CHARACTERISTICS
Unbalanced impedance | 50Ω | ||
Balanced impedance | 100Ω | ||
Frequency range | 3300 to 3900MHz | ||
Unbalanced port return loss | 10dB min. | ||
Phase imbalance at balanced port | 180±15deg | ||
Amplitude imbalance at balanced port | 0±1.2dB | ||
Insertion loss | 1.0dB max. | ||
Power capacity | 0.5W max. | ||
Temperature range | Operating | ||
Storage | |||
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Packaging style and quantities | 4000pieces/reel | ||
•Conformity to RoHS Directive: This means that, in conformity with EU Directive 2002/95/EC, lead, cadmium, mercury, hexavalent chromium, and specific
