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| 10 december 2008 specification for crystal filter: q f 1 4 0 . 0 - 1 0 0 0 0 / 0 6 1. general 1.1. case: 1.2. type name: qf 140.0-10000/06 1.3. number of poles: 4, fundamental mode 1.4. operating temperature range: -40c to +85 c 2. electric values 2.1. nominal centre frequency fo: 140.0 mhz 2.2. pass band 2.2.1. bandwidth between 3 db - frequencies: > fo 50 khz 2.2.2. ripple: < 2.0 db at fo 35 khz 2.2.3. insertion loss: < 5.0 db ( measured on smallest attenuation in pass band ) 2.3. stop band 2.3.1. fo 200 khz > 40 db (except spurious) 2.3.2. alternate attenuation > 60 db (except s purious) 2.4. terminating impedance r//c ( input and outpu t ): 50 // 0 pf 2.5. input power level for reference measurement: -10 dbm 2.5.1. maximum input power level without destruct ion: +5 dbm 3. marking on the case: telefilter yyww qf 140.0-10000/0 6 4. environment conditions: mil standard 5. filters are pb-free and 2002 /95 / ec rohs co mpliant
6. air reflow temperature conditions _________________________________________________ ____________________________________ edited by: date: ______________________ name : _________________________ temperature / c time / s max. 260c 217c 10 ... 30 s 30 ... 150 s max. 300 s chip - mount air reflow profile conditions exposure average ramp-up rate ( 30c to 217c ) less than 3c/second > 100c between 300 and 600 seconds > 150c between 240 and 500 seconds > 217c between 30 and 150 seconds peak temperature max. 260c time within 5c of peak temperature between 10 and 30 seconds cool-down rate ( starting at peak temperature to 50 c ) less than 6c / second time from 30c to peak temperature no more than 300 seconds |
Price & Availability of QF1400-1000006
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