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 10 mhz bandwidth specifications parameter sym minimum typical maximum unit center frequency at 25 c fc 69.8 70 70.2 mhz insertion loss at fc il - 19.0 24.0 db 3 db bandwidth bw 3 10 10.46 - mhz 40db bandwidth bw 40 - 14.61 15.5 mhz passband variation - - 0.7 1.0 db phase linearity - - 3.5 5.0 deg group delay variation - - 20 40 nsec absolute delay - - 1.2 - sec ultimate rejection - 50 60 - 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 no matching required nominal source/load impedance : 50 ? 55 60 65 70 75 80 85 -100 -90 -80 -70 -60 -50 -40 -30 type performance frequency(mhz) magnitude(db) BP60420
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