page 1 ? 2014, kr elec tronics, inc. 3174-21.4-10, rev 0, october 10, 2014 kr electronics, inc. kr electronics part number 3174-21.4-10 is a 21.4 mhz band- pass filter. the filter has a 3 db bandwidth of 10 mhz. other center frequencies and bandwidths are available. please consult the factory. general description kr electronics, inc. features ?? 21.4 mhz bandpass filter ?? 10 mhz typical 3 db bandwidth ?? selective elliptic type filter ?? 50 ? source and load ?? surface mount ?? also available with sma connectors typical performance 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 overall response (10 db/div)
page 2 ? 2014, kr elec tronics, inc. 3174-21.4-10, rev 0, october 10, 2014 passband amplitude & group delay (1 db/div & 50 nsec/div) kr electronics, inc. typical performance kr electronics, inc. 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 overall response (10 db/div)
page 3 ? 2014, kr elec tronics, inc. 3174-21.4-10, rev 0, october 10, 2014 kr electronics 3174-21.4-10 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 parameter specification notes filter type bandpass center frequency 21.4 mhz insertion loss 2 dba max < 1 dba typical 1 dbc bandwidth 9.2 mhz typical 3 dbc bandwidth 10 mhz 5% 40 dbc bandwidth 15.5 mhz typical 60 dbc bandwidth 18.5 mhz typical source and load 50 ? 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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