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| 23 november 2005 specification for monolithic crystal filter: m q f 4 5 . 0 - 0 7 5 0 / 2 1 1. general 1.1. package : 1.2. type name: mqf 45.0 - 0750/21 1.3. number of pol es: 4 1.4. operating temperature range: - 2 5 c to + 85 c 1.5. storage t emperature range: - 55c to +85 c 2. electric values 2.1. nominal centre frequency fo: 45.0 mhz 2.2. pass band 2.2.1. bandwidth between 3 db - frequencies: fo 3.75 khz 2.2.2. ripple: 1.0 db at fo 2.5 khz 2.2.3. insertion loss: 4.0 db ( measured on smallest attenuation in pas s band ) 2.3. stop band 2.3.1. fo 12.5 khz 30 db 2.3.2. fo - 200 khz. - 1000 khz 80 db 2.3.3. fo +200 khz.+600 khz 70 db 2.3.4. fo +60 0 khz.+1000 khz 20 db 2.3.5. spurious responses: 30 db in the range fo+12.5< f < fo+1 mhz 2.4. terminating impedance r//c ( input and output ): 550 // 2.5 pf 2.4 .1. coupling capacitance ( cc ): 13 pf 3. marking : m 45 b4 date code 4. environment condition s: corresponding to vectron standard cf001 5. filters are pb - free and 2002 /95 / ec rohs compliant _________________________________ _____________________________________________________ edited by: date: _______ ___ ____ ____ __________ name: _______ ____ __ ___ __________________
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