page 1 ? 2007, kr electronics, inc. ch1 s 21 log mag 1 db/ ref 0 db cor prm ch2 s 21 delay ref 50 ns 20 ns/ center 78.750 000 mhz span 18.000 000 mhz cor smo prm 23 aug 2007 17:54:00 1 2 ch1 s 21 log mag 10 db/ ref 0 db ch1 center 78.750 000 mhz span 100.000 000 mhz cor avg 12 prm 23 aug 2007 17:54:52 kr electronics kr 2778+ is a 78.75 mhz bandpass filter. the filter has a mini- mum of 3 db bandwidth of 18 mhz . other passband frequen- cies are available. please consult the factory. general description kr electronics, inc. features ? sharp transition to stopband ? > 60 db stopband ? 50 ? source and load typical performance www.krfilters.com passband amplitude & group delay (1 db/div and 20 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 ? 2007, kr electronics, inc. parameter specification filter type bandpass insertion loss < 3 db (< 2 db typical) attenuation at 57.75 mhz > 60 db attenuation at 69.75 mhz < 3 db attenuation at 87.75 mhz < 3 db attenuation at 99.75 mhz > 60 db source and load 50 ? center frequency 78.75 mhz kr electronics 2778+ 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 open frame 2. dimensions in inches 3. maximum reflow temperature is 230 c for 10 sec maximum. 4. if boards are cleaned after installation, units must be completely dried.
|
