page 1 ? 2010, kr electronics, inc. 2970, 2.8125 mhz bandpass, rev 0, march 11, 2010 ch2 s31 log 1 db/ ref 0 db center 2 . 812 500 mhz span . 500 000 mhz cor ch4 s31 del 1 us/ ref 1 us cor smo 11 mar 2010 13:20:56 2 4 ch1 s31 log 10 db/ ref 0 db center 2 . 812 500 mhz span 5 . 000 000 mhz 11 mar 2010 13:22:38 kr electronics, inc. kr electronics part number 2970 is a 2.8125 mhz bandpass filter. the filter has a 3 db bandwidth of 425 khz and is de- signed for a source and load impedance of 50 ? . other passband frequencies are available. please consult the factory. general description kr electronics, inc. features ?? 2.8125 mhz center frequency ?? 3 db bandwidth 425 khz 10% ?? elliptic filter for quick transition ?? 50 ? source and load typical performance www.krfilters.com passband amplitude & group delay (1 db/div and 1 usec/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 ? 2010, kr electronics, inc. 2970, 2.8125 mhz bandpass, rev 0, march 11, 2010 parameter specification filter type bandpass center frequency 2.8125 mhz insertion loss < 3.5 db ( 2.5 db typical) 3 db bandwidth 425 khz 10% attenuation at 3.225 mhz 40 db min (50 to 60 db typical) source and load 50 ? ? ? attenuation at 2.4 mhz 40 db min (50 to 60 db typical) kr electronics 2970 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 dimensions in inches epoxy case
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