page 1 ? 2011, kr electronics, inc. 3057, rev 0, december 15, 2011 kr electronics, inc. kr electronics part number 3057 is a 795 mhz bandpass filter. the filter has a typical 3 db bandwidth of 92 mhz and a typical 50 db bandwidth of 385 mhz. other center frequencies and bandwidths are available. please consult the factory. general description kr electronics, inc. features ?? 795 mhz bandpass filter ?? 92 mhz typical 3 db bandwidth ?? 385 mhz typical 50 db bandwidth ?? 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. 3057, rev 0, december 15, 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 & 2 nsec/div) kr electronics 3057 kr electronics, inc. www.krfilters.com overall response (10 db/div)
page 3 ? 2011, kr electronics, inc. 3057, rev 0, december 15, 2011 kr electronics 3057 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 filter type bandpass center frequency 795 mhz insertion loss 3 db max 2 db typical 1 db bandwidth 75 mhz typical 3 db bandwidth 92 mhz typical 40 db bandwidth 285 mhz typical 50 db bandwidth 385 mhz typical source and load 50 ? notes: 1. surface mount package 2. dimensions in inches 3. max reflow temperature 230 c for 10 sec 4. if boards are cleaned after installation units must be completely dried
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