page 1 ? 2011, kr electronics, inc. 3042, rev 0, september 12, 2011 kr electronics, inc. kr electronics part number 3042 is a 140 mhz bandpass filter. the filter has a minimum 3 db bandwidth of 36 mhz and a maximum 40 db bandwidth of 54 mhz. other center frequencies and bandwidths are available. please consult the factory. general description kr electronics, inc. features ?? 140 mhz bandpass filter ?? 36 mhz min 3 db bandwidth ?? 54 mhz max 40 db bandwidth ?? sharp elliptic type design ?? group delay equalized ?? 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 ? 2011, kr electronics, inc. 3042, rev 0, september 12, 2011 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 passband amplitude & group delay (1 db/div & 5 nsec/div) kr electronics 3042 kr electronics, inc. www.krfilters.com overall response (10 db/div)
page 3 ? 2011, kr electronics, inc. 3042, rev 0, september 12, 2011 kr electronics 3042 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 140 mhz insertion loss 7 db max 4.5 db typical 1 db bandwidth 40 mhz typical 3 db bandwith 36 mhz min 44 mhz typical 40 db bandwidth 54 mhz max group delay variation 122 mhz to 158 mhz 5 nsec typical source and load 50 ? notes: 1. surface mount package ? metal cover open frame 2. dimensions in inches 3. maximum reflow temperature is 209 c for 10 sec maximum. 4. if boards are cleaned after installation, units must be completely dried.
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