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QF6-994-0280-06 Datasheet(PDF) 1 Page - Vectron International, Inc |
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QF6-994-0280-06 Datasheet(HTML) 1 Page - Vectron International, Inc |
1 / 2 page 24 January 2008 Specification for crystal filter: QF 6.990……....7.010-0280/06 1. General 1.1. Package 1.2. Type name: QF 6.990…….7.010-0280/06 1.3. Number of poles: 5 1.4. Operating temperature range: -30°C to +85°C 1.5. Storage temperature range: -45°C to +85°C 2. Electric values 2.1. Nominal centre frequency fo [ MHz ]: 6.990 , 6.992, 6.994, 6.996, 6.998, 7.000, 7.002 7.004, 7.006, 7.008, 7.010 2.2. Pass band 2.2.1. Centre frequency fc at 25°C 3°C: fo 180Hz 2.2.2. Bandwidth between 3 dB - frequencies: > fc 1.4 kHz 2.2.3. Ripple at fc 0.8 kHz: < 1.0 dB ( < 0.5 dB peak to peak ) 2.2.4. Insertion loss: < 3.0 dB ( measured on smallest attenuation in pass band ) 2.3. Stop band 2.3.1. fc 5.5 kHz > 60 dB 2.3.2. Alternate Attenuation > 70 dB ( except spurious ) 2.4. Nominal input power level +10 dBm 2.4.1. Maximal input power level +25 dBm 2.5. Terminating impedance R//C ( input and output ): 50 // 0 pF 3. Marking ( i. e. ): manufacturer, date code QF 6.990-0280/06 |
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