page 1 ? 2009, kr electronics, inc. ch2 s31 log 1 db/ ref 0 db center 440 . 000 000 mhz span 50 . 000 000 mhz cor ch4 s31 del 10 ns/ ref 0 s cor smo 9 jan 2009 11:43:09 2 4 ch1 s31 log 10 db/ ref 0 db start 1 . 000 000 mhz stop 1 000 . 000 000 mhz avg 16 9 jan 2009 11:47:33 kr electronics kr 2881 is a 440 mhz bandpass filter. the filter has a minimum 3 db bandwidth of 50 mhz (typically 70 mhz). the typical 60 db bandwidth is 120 mhz. othe r passband frequencies are avail- able. please consult the factory. general description kr electronics, inc. features ?? 440 mhz center frequency ?? 3 db bandwidth 50 mhz minimum ?? sharp transition to the stopband ?? surface mount ?? 50 ? source and load typical performance www.krfilters.com passband amplitude & group delay (1 db/div and 10 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 < 3.5 db (2.5 db typical) 3 db bandwidth > 50 mhz (70 mhz typical) attenuation at 378 mhz > 60 db attenuation at 505 mhz > 60 db 60 db bandwidth 120 mhz typical source and load 50 ? ? center frequency 440 mhz kr electronics 2881 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 ? metal cover 2. dimensions in inches 3. maximum reflow temperature is 230 c for 10 sec maximum. 4. if boards are cleaned after installation, dry units completely.
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