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 25.85 mhz bandwidth specifications parameter sym minimum typical maximum unit center frequency at 25 c fc 69.95 70 70.05 mhz insertion loss at fc il - 24.5 26.0 db 3db bandwidth bw 3 25.85 26.03 - mhz 20db bandwidth bw 20 - 27.47 - mhz 30db bandwidth bw 30 - 27.87 - mhz 40db bandwidth bw 40 - 28.15 28.5 mhz passband variation - - 0.5 1.0 db ultimate rejection - 50 55 - db substrate material - - yz-linbo 3 - - ambient temperature ta - 25 - c operating temperature range to -55 25 85 c typical performance package outline matching configuration 50 60 70 80 90 100 -100 -90 -80 -70 -60 -50 -40 -30 type performance frequency(mhz) magnitude(db) BP60490 l1 : 120 nh l2 : 124 nh l3 : 120 nh l4 : 180 nh nominal source/load impedance : 50 ?
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