====== 9 MHz 8 Pole 500 Hz Crystal Filter Model 217 ======
{{:217.jpg?150|}}

===== Specifications =====
| Center Frequency        |  9.000750 |
| 6 dB BW, Hz             |  500 |
| Shape Factor, 6/60 dB   |  2:1 |
| Insertion Loss, dB      |  7.5 |
| Ultimate Rejection, dB  |  90+ |
| Z in & out, Ohms        |  200 |
| Number of Poles         |  8 |


{{9mhz_filter_specs.jpg|}}
===== Related Links =====
  *[[http://www.al7fs.us/217.html|AL7FS 217 Filter Info]]