page 1 ? 2009, kr electronics, inc. ch2 s31 log 1 db/ ref 0 db cor ch4 s31 del 50 ns/ ref 0 s center 48 . 375 000 mhz span 28 . 000 000 mhz cor 10 feb 2009 17:45:38 2 4 ch1 s31 log 10 db/ ref 0 db start 1 . 000 000 mhz stop 1 000 . 000 000 mhz 10 feb 2009 17:47:00 kr electronics kr 2890 is a 48.375 mhz bandpass filter. the filter has a mini- mum 3 db bandwidth of 28 mhz. other passband frequencies are available. please consult the factory. general description kr electronics, inc. features ?? 48.375 mhz center frequency ?? 3 db bandwith 28 mhz min ?? surface mount ?? 50 ? source and load typical performance www.krfilters.com passband amplitude & group delay (1 db/div and 50 nsec/div) kr electronics, inc. 91 avenel street avenel, nj 07001 www.krfilters.com sales@krfilters.com (732) 636-1900 (732) 636-1982 web email phone fax overall response (10 db/div)
page 2 ? 2009, kr electronics, inc. parameter specification filter type bandpass insertion loss < 2 db (< 1 db typical) 3 db bandwidth 28 mhz min attenuation at 31.4 mhz > 45 db attenuation at 69.3 mhz > 45 db source and load 50 ? center frequency 48.375 mhz kr electronics 2890 kr electronics, inc. physical dimensions specifications www.krfilters.com kr electronics, inc. 91 avenel street avenel, nj 07001 www.krfilters.com sales@krfilters.com (732) 636-1900 (732) 636-1982 web email phone fax notes: 1. surface mount package 2. dimensions in inches 3. max reflow temperature 209 c for 10 sec 4. if boards are cleaned after installation units must be completely dried
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