70 mhz bandpass saw filter phone: +86 (10) 5820-3910 fax: +86 (10) 5820-3915 email: sales@vanlong.com web: http://www.vanlong.c om march 22, 2006 vanlong technology co., ltd. 70 mhz bandpass saw filter 18 mhz bandwidth electronic characteristics parameter sym minimum typical maximum unit center frequency at 25 c fc 69.85 70 70.15 mhz insertion loss at fc il - 22.5 25.0 db 1 db bandwidth bw 1 18.0 18.15 - mhz 3 db bandwidth bw 3 18.9 19.13 - mhz 40db bandwidth bw 40 - 22.95 23.0 mhz passband variation - - 0.4 0.8 db phase linearity - - 2.5 5.0 deg group delay variation - - 30 50 nsec absolute delay - - 1.24 - sec ultimate rejection - 50 60 - db substrate material - - 128-linbo 3 - - ambient temperature ta - 25 - c typical performance package outline matching configuration l1 : 220nh + 22 nh nominal source/load impedance : 50 BP60120
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