70 mhz bandpass saw filter phone: +86 (10) 5128 1211 fax: +86 (10) 5820 3915 email: sales@vanlong.com web: http://www. vanlong.com february 26, 2003 vanlong technology co., ltd. 70 mhz bandpass saw filter 8.5 mhz bandwidth specifications parameter sym minimum typical maximum unit center frequency at 25 c fc 69.89 70 70.11 mhz insertion loss at fc il - 22.9 25.0 db 1 db bandwidth bw 1 8.0 8.3 - mhz 3 db bandwidth bw 3 8.5 8.9 - mhz 40db bandwidth bw 40 - 10.8 11.1 mhz passband variation - - 0.5 0.8 db phase linearity - - 1.8 5.0 deg group delay variation - - 35 60 nsec absolute delay - - 2.0 - 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 ? BP60220
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