SAW Filter for Pager Applications
| Marking | NDF139 | NDF147 | NDF155 | NDF163 | NDF171 | NDF280 | NDF465 | NDF930 |
| Center Frequency(MHz) | 139.0 | 147.0 | 155.0 | 163.0 | 171.0 | 281.0 | 465.0 | 930.5 |
| .-3dB Bandwidth(MHz) | ¡À4.0 | ¡À4.0 | ¡À4.0 | ¡À4.0 | ¡À4.0 | ¡À3.0 | ¡À3.0 | ¡À2.0 |
| Insertion Loss(dB) | ||||||||
| fc-100MHz to fc-38.8NHz | 50min. | 50min. | 50min. | 50min. | 50min. | 50min. | 50min. | 50min. |
| fc ¡À4.0MHz | 6.5max | 6.5max. | 6.5max. | 6.5max. | 6.5max. | |||
| fc ¡À3.0MHz | 4.5max. | 3.5max. | ||||||
| fc ¡À2.0MHz | 4.5max. | |||||||
| fc+38.8MHz to Fc+100MHz | 50min. | 50min | 50min. | 50min. | 50min. | 50min. | 50min. | 50min. |
| fc ¡À38.8MHz to fc x 2.5 | 42min. | 42min | 42min. | 42min. | 42min. | 42min. | 42min. | 42min. |
| Input/Output Impedance(¦¸¡ÎpF) | 210¡Î-13.3 | 210¡Î-12.1 | 210¡Î-12.3 | 210¡Î-11.0 | 210¡Î-10.9 | 150¡Î0 | 150¡Î0 | 50¡Î10nH |
| Package | F-11 QCC8C¡¡¡¡¡¡ | |||||||