70 mhz bandpass saw filter phone: +86 (10) 5128 1211 fax: +86 (10) 5820 3915 email: sales@vanlong.com web: http://www.vanlong.c om february 26, 2003 vanlong technology co., ltd. 70 mhz bandpass saw filter 1.50 mhz bandwidth specifications parameter sym minimum typical maximum unit center frequency at 25 c fc 69.9 70 70.1 mhz insertion loss at fc il - 21.05 25.0 db 1 db bandwidth bw 1 1.23 1.33 - mhz 3 db bandwidth bw 3 1.50 1.72 - mhz 40db bandwidth bw 40 - 3.35 3.80 mhz passband variation - - 0.2 0.6 db absolute delay - - 1.88 2 sec ultimate rejection - 50 55 - db substrate material - - quartz - - ambient temperature ta - 25 - c operating temperature range to -55 25 85 c typical performance package outline matching configuration 62 64 66 68 70 72 74 76 78 -101.0537 -91.0537 -81.0537 -71.0537 -61.0537 -51.0537 -41.0537 -31.0537 -21.0537 frequency(mhz) magnitude(db) BP60650 l1 : 470 nh l3 : 470 nh nominal source/load impedance : 50 ?
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