Multilayer Chip Baluns For WiMAX
HHM Series HHM1727D1
(1/2)
Conformity to RoHS Directive
SHAPES AND DIMENSIONS
|
|
| 1.6±0.1 |
|
| 0.6±0.1 |
|
|
| |||||||
| 6 | 5 |
|
| 4 |
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
|
|
| 0.8±0.1 |
| Terminal functions | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
1 | 2 |
|
| 3 |
|
|
|
|
| |||||||
|
|
|
|
|
|
|
|
|
| |||||||
|
|
|
|
|
|
| 1 | Unbalanced port | ||||||||
0.55±0.1 |
|
| 0.3±0.1 | |||||||||||||
|
|
| 2 | GND | ||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 3 | Balanced port | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 4 | Balanced port |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 5 | GND |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 6 | N.C. |
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
0.1±0.1 0.25±0.1 |
| Dimensions in mm | ||||||||||||||
CIRCUIT DIAGRAM
Unbalanced
input 50Ω
6 | 5 | 4 |
|
| Balanced |
|
| output |
|
| 50Ω |
1 | 2 | 3 |
RECOMMENDED PC BOARD PATTERNS
0.3
0.85 | 0.5 |
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
0.5
Unbal port
0.25 0.25
0.2
0.3
Bal port
Land
ø0.3
Line width be designed to match 50Ω characteristic impedance depending on
PCB material and thickness.
ELECTRICAL CHARACTERISTICS
Unbalanced impedance |
| 50Ω | |
Balanced impedance |
| 50Ω | |
Frequency range |
| 3300 to 3900MHz | |
Unbalanced port return loss | 10dB min. | ||
Phase imbalance at balanced port | 180±15deg | ||
Amplitude imbalance at balanced port | 0±1.5dB | ||
Insertion loss |
| 1.2dB | |
| [800 to 960MHz] | 11dB min. | |
Attenuation | [1700 to 1900MHz] | 4dB min. | |
| [1900 to 1980MHz] | 3.5dB min.(4dB typ.) | |
Power capacity |
| 0.5W max. | |
Temperature range | Operating | ||
Storage | |||
| |||
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
