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 5.5 mhz bandwidth specifications parameter sym minimum typical maximum unit center frequency at 25 c fc 69.91 70 70.09 mhz insertion loss at fc il - 22.2 25.0 db 1 db bandwidth bw 1 5.0 5.15 - mhz 3 db bandwidth bw 3 5.5 5.6 - mhz 40db bandwidth bw 40 - 7.5 7.7 mhz passband variation - - 0.3 0.8 db phase linearity - - 4.0 8.0 deg group delay variation - - 80 140 nsec absolute delay - - 3.0 - sec ultimate rejection - 50 60 - 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 l1 : l2 : 168 nh l3 : l4 : 338 nh nominal source/load impedance : 50 ? BP60280
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