page 1 ? 2014, kr elec tronics, inc. 3131-18.9, 18.9 mhz bandpass, rev 0, january 17, 2014 kr electronics, inc. kr electronics part number 3131-18.9 is a 18.9 mhz bandpass filter. the filter has a minimum 1 db bandwidth of 5.1 mhz. other center frequencies and bandwidths available. please con- sult the factory. general description kr electronics, inc. features ?? 18.9 mhz center frequency ?? 5.1 mhz min 1 db bandwidth ?? sharp transition to stopband ?? high stopband rejection >80 db ?? 50 ? source and load ?? 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. 3131-18.9, 18.9 mhz bandpass, rev 0, january 17, 2014 passband amplitude & group delay (1 db/div & 200 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
page 3 ? 2014, kr elec tronics, inc. 3131-18.9, 18.9 mhz bandpass, rev 0, january 17, 2014 parameter specification filter type bandpass center frequency 18.9 mhz insertion loss 2 db max 1 db bandwidth 5.1 mhz min 5.8 mhz typical 3 db bandwidth 6.4 mhz typical 40 db bandwidth 8.6 mhz typical rejection at 13 mhz 80 db min source and load 50 ?? notes 0.8 db typical 16.35 mhz to 21.45 mhz ? rejection at 25.25 mhz 80 db min kr electronics 3131-18.9 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. sma(f) to sma(m) 2. mounting inserts 2x 2-56 3. dimensions in inches
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