page 1 ? 2009, kr electronics, inc. ch2 s31 log 1 db/ ref 0 db cor ch4 s31 del 50 ns/ ref 150 ns center 21 . 400 000 mhz span 5 . 000 000 mhz cor smo 26 jan 2009 11:53:05 2 4 ch1 s31 log 10 db/ ref 0 db start 1 . 000 000 mhz stop 1 000 . 000 000 mhz 26 jan 2009 11:59:57 kr electronics kr 2889 is a 21.4 mhz bandpass filter. the filter has a mini- mum 1 db bandwidth of 3 mhz. other passband frequencies are available. please consult the factory. general description kr electronics, inc. features ?? 21.4 mhz center frequency ?? 1 db bandwith 3.8 mhz typical ?? 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 < 3 db (1 db typical) number of sections 4 1 db bandwidth 3 mhz min typical 3 db bandwidth 4.4 mhz typical 40 db bandwidth 13 mhz typical 60 db bandwidth 24 mhz source and load 50 ? center frequency 21.4 mhz kr electronics 2889 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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