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 34 mhz bandwidth specifications parameter sym minimum typical maximum unit center frequency at 25 c fc 69.8 70 70.2 mhz insertion loss at fc il - 23.1 25.0 db 1 db bandwidth bw 1 31.0 31.9 - mhz 3 db bandwidth bw 3 34.0 35.1 - mhz 40db bandwidth bw 40 - 51.8 52.8 mhz passband variation - - 0.4 1.0 db phase linearity - - 6.0 7.0 deg group delay variation - - 20 30 nsec absolute delay - - 2 - sec ultimate rejection - 45 50 - db substrate material - - 128-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 ? BP60040
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