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 - 23.86 25.0 db 1db bandwidth bw 1 3.84 3.96 - mhz 3db bandwidth bw 3 4.10 4.36 - mhz 40db bandwidth bw 40 - 5.78 6.10 mhz passband variation - - 0.4 1.0 db absolute delay - - 1.54 1.9 sec ultimate rejection - 40 48 - 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 no matching required nominal source/load impedance : 50 ? 58 61 64 67 70 73 76 79 82 -103.8639 -93.8639 -83.8639 -73.8639 -63.8639 -53.8639 -43.8639 -33.8639 -23.8639 frequency(mhz) magnitude(db) BP60660
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