====== 9 MHz 6 Pole Crystal Filter Model 216 ======
Designed for RTTY
===== Specifications =====
| Center Frequency        |  9.002210 |
| 6 dB BW, Hz             |  500 |
| Shape Factor, 6/60 dB   |  2.75:1 |
| Insertion Loss, dB      |  8.0 |
| Ultimate Rejection, dB  |  90+ |
| Z in & out, Ohms        |  200 |
| Number of Poles         |  6 |

{{9mhz_filter_specs.jpg|}}