page 1 ? 2009, kr electronics, inc. 2903, 140 mhz bandpass, rev0, april 21, 2009 ch2 s31 log 1 db/ ref 0 db cor ch4 s31 del 5 ns/ ref 25 ns start 100 . 000 000 mhz stop 180 . 000 000 mhz cor smo 21 apr 2009 11:28:43 2 4 ch1 s31 log 10 db/ ref 0 db start 10 . 000 000 mhz stop 1 000 . 000 000 mhz avg 16 21 apr 2009 11:32:26 kr electronics kr 2903 is a 140 mhz group delay equalized elliptic bandpass filter. the filter has a minimum 2 db bandwidth of 80 mhz. other center frequencies and bandwidths available. please con- sult the factory. general description kr electronics, inc. features ?? 140 mhz elliptic bandpass ?? 80 mhz minimum 2 db bandwidth ?? group delay equalized ?? sma connectors ?? 50 ? source and load typical performance www.krfilters.com passband amplitude & group delay (1 db/div & 5 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. 2903, 140 mhz bandpass, rev0, april 21, 2009 parameter specification filter type bandpass center frequency 140 mhz insertion loss < 2 db typical 2 db bandwidth 80 mhz min (100 mhz typical) group delay variation 110 mhz to 170 mhz 3 nsec max rejection at 80 mhz & 272 mhz 50 db min typical 1 db bandwidth 94 mhz source and load 50 ?? typical 2 db bandwidth 100 mhz typical 40 db bandwidth 145 mhz typical 50 db bandwidth 158 mhz typical 60 db bandwidth 171 mhz kr electronics 2903 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. dimensions in inches 2. rectangular case 3. also available in surface mount package (0.5? x 2.0? x 0.3?)
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