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> > > > > |
 |  | CRYSTAL FILTER UM-1 SERIES |  |
| | FeaturesĄG | Small size, Light weight.
Wide frequency range.
Resistance weld hermetic seal. |
12.5KHz CHANNEL SPACING
| TYPE | FREQ. | POLES | PASS BAND
WIDTH | STOP BAND
WIDTH | RIPPLE | LOSS | HOLDER | | | | | dB | KHz | dB | KHz | dB | dB | | | 10R08A | 10.7 MHz | 2 | 3 | ±3.75KHz | | | 0.5 | 2.0 | UM-1 | | 21R08A | 21.4 MHz | 2 | 3 | ±3.75KHz | 20 | ±18 KHz | 0.5 | 1.5 | UM-1 | | 21R08B | 21.4 MHz | 4 | 3 | ±3.75KHz | 40 | ±14 KHz | 1.0 | 2.5 | UM-1*2 | | 45R08A | 45.0 MHz | 2 | 3 | ±3.75KHz | 10 | ±12.5 KHz | 1.0 | 2.5 | UM-1 | | 45R08B | 45.0 MHz | 4 | 3 | ±3.75KHz | 30 | ±12.5 KHz | 1.0 | 4.0 | UM-1*2 |
25.0KHz CHANNEL SPACING
| | | | dB | KHz | dB | KHz | dB | dB | | | 21R15A | 21.4 MHz | 2 | 3 | ±7.5KHz | 18 | ±25 KHz | 0.5 | 1.5 | UM-1 | | 21R15B | 21.4 MHz | 4 | 3 | ±7.5KHz | 40 | ±25 KHz | 1.0 | 2.5 | UM-1*2 | | 45R15A | 45.0 MHz | 2 | 3 | ±7.5KHz | 15 | ±25KHz | 1.0 | 2.0 | UM-1 | | 45R15B | 45.0 MHz | 4 | 3 | ±7.5KHz | 30 | ±25 KHz | 1.0 | 3.0 | UM-1*2 |
50.0KHz CHANNEL SPACING
| | | | dB | KHz | dB | KHz | dB | dB | | | 21R30A | 21.4 MHz | 2 | 3 | ±15KHz | 15 | ±45 KHz | 0.5 | 1.5 | UM-1 | | 21R30B | 21.4 MHz | 4 | 3 | ±15KHz | 40 | ±50 KHz | 1.0 | 2.5 | UM-1*2 | | 45R30A | 45.0 MHz | 2 | 3 | ±15KHz | 15 | ±50KHz | 1.0 | 2.0 | UM-1 | | 45R30B | 45.0 MHz | 4 | 3 | ±15KHz | 40 | ±60 KHz | 1.0 | 3.0 | UM-1*2 |
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