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 4.1 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 - 22.7 25.0 db 1db bandwidth bw 1 3.84 3.86 - mhz 3db bandwidth bw 3 4.10 4.14 - mhz 20db bandwidth bw 20 - 27.47 - mhz 30db bandwidth bw 30 - 27.87 - mhz 50db bandwidth bw 50 - 5.12 5.20 mhz passband variation - - 0.6 1.0 db absolute delay - - 3.82 - sec ultimate rejection - 50 53 - db substrate material - - 112-litao 3 - - ambient temperature ta - 25 - c operating temperature range to -55 25 85 c typical performance package outline matching configuration 58 61 64 67 70 73 76 79 82 -105.0246 -95.0246 -85.0246 -75.0246 -65.0246 -55.0246 -45.0246 -35.0246 -25.0246 frequency(mhz) magnitude(db) BP60670 l1 : 150 nh l2 : 150 nh c1 : 50 pf c2 : 80 pf
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