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Dielectric Filters - DF Series with high permittivity, high dielectric constants, extremely temperature stability and high Q that enables the design of stable microwave oscillators and filters. High dielectric materials and associated products are also available for custom application requirements. Applications for CT1, CT2, 900MHz, 1.8GHz, 2.4GHz, 5.8GHz Cordless Phone, wireless earphone, wireless microphone. |
| DF - C & D Type Configuration | DF - C & D Type Dimensions |
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| DF Typical Specifications |
| Part No. | Center Frequency (MHz) |
Band Width (MHz) |
Insertion Loss (dB)max. |
Ripple in Band Width (dB)max. |
V.S.W.R max. |
Attenuation (dB)min.(MHz) |
| DF1575S40C | 1575 | fo±20 | 2.0 | 0.7 | 2.0 | 20 at fo-100; 18 at fo+100 |
| DF1855S70C | 1855 | fo±35 | 2.0 | 0.7 | 2.0 | 20 at fo+300; 20 at fo-300 |
| DF1890S80C | 1890 | fo±40 | 2.0 | 0.7 | 2.0 | 15 at fo+250; 35 at fo-250 |
| DF1950S90C | 1950 | fo±45 | 3.0 | 0.7 | 2.0 | 45 at fo+975; 45 at fo-975 |
| DF2332S100C | 2332 | fo±50 | 2.5 | 0.7 | 2.0 | 25 at fo+500; 40 at fo-500 |
| DF2450S100C | 2450 | fo±50 | 2.0 | 0.7 | 2.0 | 12 at fo+250; 15 at fo-250 |
| DF3066S170D | 3066 | fo±85 | 2.0 | 1.0 | 2.0 | 10 at fo+300; 15 at fo-300 |
| DF3480S120D | 3480 | fo±60 | 2.0 | 1.0 | 2.0 | 10 at fo+500; 20 at fo-500 |
| DF3650S150D | 3650 | fo±75 | 2.0 | 1.0 | 2.0 | 15 at fo+750; 25 at fo-750 |
| DF4880S160D | 4880 | fo±80 | 2.0 | 1.0 | 2.0 | 5 at fo+350; 15 at fo-350 |
| DF5800S200D | 5800 | fo±100 | 2.0 | 1.0 | 2.0 | 5 at fo+400; 15 at fo-400 |
| Typical Characteristic |
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| How to Order (For 2 Pole) |
| DF | 864 | S | 10 | A | |||||||||||||||||
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