tel: +86-23-62808818 fax: +86-23-62808382 www.sipatsaw.com / sales@sipat.com part number LBT94304 rev. date 2011-08-01 sipat co., ltd. ( cetc no.26 research institute ) #14 nanping huayuan road, chongqing, china, 400060 ver. 1.0 page 1/3 c c h h i i n n a a e e l l e e c c t t r r o o n n i i c c s s t t e e c c h h n n o o l l o o g g y y g g r r o o u u p p c c o o r r p p o o r r a a t t i i o o n n n n o o . . 2 2 6 6 r r e e s s e e a a r r c c h h i i n n s s t t i i t t u u t t e e 942.5mhz saw filter 24mhz bandwidth s s i i p p a a t t c c o o . . , , l l t t d d . . w w w w w w . . s s i i p p a a t t s s a a w w . . c c o o m m part number: LBT94304 features ? for rf saw filter ? single-ended operation ? ceramic surface mount package ? small size ? no matching required for operation at 50 ? ? rohs compliant (2002/95/ec), pb-free specifications parameter unit minimum typical maximum center frequency mhz - 942.5 - insertion loss(930.5 954.5mhz) db - 1.9 3 input/output vswr(930.5 954.5mhz) - - 1.7 2 passband variation(930.5 954.5mhz) db - 0.5 1 600 850mhz db 35 49 - 885.5 909.5mhz db 20 38 - ultimate rejection 1000 1200mhz db 35 40 - material temperature coefficient khz/c -30.2 substrate material - 42lt ambient temperature c 25 operating temperature range c -40 - +85 dc voltage v 0 input power dbm - - 10 esd class - 1a package size smd3.0*3.0 notes: 1. all specifications are based on the test circuit shown; 2. in production, all specifications are measured by ag ilent network analyzer and full 2 port calibration at room temperature; 3. electrical margin has been built into the design to account for the variations due to temperature drift and manufacturing tolerances; 4. this is the optimum impedance in order to achieve the performance show.
tel: +86-23-62808818 fax: +86-23-62808382 www.sipatsaw.com / sales@sipat.com part number LBT94304 rev. date 2011-08-01 sipat co., ltd. ( cetc no.26 research institute ) #14 nanping huayuan road, chongqing, china, 400060 ver. 1.0 page 2/3 c c h h i i n n a a e e l l e e c c t t r r o o n n i i c c s s t t e e c c h h n n o o l l o o g g y y g g r r o o u u p p c c o o r r p p o o r r a a t t i i o o n n n n o o . . 2 2 6 6 r r e e s s e e a a r r c c h h i i n n s s t t i i t t u u t t e e 942.5mhz saw filter 24mhz bandwidth s s i i p p a a t t c c o o . . , , l l t t d d . . w w w w w w . . s s i i p p a a t t s s a a w w . . c c o o m m part number: LBT94304 matching configuration source/load impedance=50 ohm notes - component values may change depending on board layout. package dimension 1.240.18 3.000.10 3.000.10 1.50 0.76 0.890.08 i43d xxyy 1 2 3 6 5 4 1 2 3 6 5 4 1.60 0.61 package: smd3.0*3.0 unit: mm pad configuration: input: 2 output: 5 ground: 1,3,4,6 marking configuration: 1) ?: pad number 1 index 2) i43d: part number 3) xxyy: date(year/month) input output 50 50 2 5
tel: +86-23-62808818 fax: +86-23-62808382 www.sipatsaw.com / sales@sipat.com part number LBT94304 rev. date 2011-08-01 sipat co., ltd. ( cetc no.26 research institute ) #14 nanping huayuan road, chongqing, china, 400060 ver. 1.0 page 3/3 c c h h i i n n a a e e l l e e c c t t r r o o n n i i c c s s t t e e c c h h n n o o l l o o g g y y g g r r o o u u p p c c o o r r p p o o r r a a t t i i o o n n n n o o . . 2 2 6 6 r r e e s s e e a a r r c c h h i i n n s s t t i i t t u u t t e e 942.5mhz saw filter 24mhz bandwidth s s i i p p a a t t c c o o . . , , l l t t d d . . w w w w w w . . s s i i p p a a t t s s a a w w . . c c o o m m part number: LBT94304 typical performance frequency response passband response 860 880 900 920 940 960 980 1000 1020 1040 -91.4915 -81.4915 -71.4915 -61.4915 -51.4915 -41.4915 -31.4915 -21.4915 -11.4915 -1.4915 8.5085 type performance frequency(mhz) magnitude(db) 910 920 930 940 950 960 970 980 -3.9915 -3.4915 -2.9915 -2.4915 -1.9915 -1.4915 -0.9915 -0.4915 0.0085 type performance frequency(mhz) amplitude ripple(db) horizontal: 20mhz/div vertical: 10db/div horizontal: 10mhz/div vertical: 0.5db/div group delay variation(f012mhz) phase linearity(f012mhz) 920 925 930 935 940 945 950 955 960 965 -20 -10 0 10 20 30 40 50 60 70 80 x: 930.5 y: 41.38 type performance frequency(mhz) group delay time(ns) x: 954.5 y: 31.17 920 930 940 950 960 970 -30 -25 -20 -15 -10 -5 0 5 10 15 20 25 x: 930.5 y: 3.383 type performance frequency(mhz) degree(deg) x: 954.5 y: 2.267 horizontal: 5mhz/div vertical: 10ns/div horizontal: 10mhz/div vertical: 5deg/div input vswr(f012mhz) output vswr(f012mhz) 910 920 930 940 950 960 970 980 0.5 1 1.5 2 2.5 3 x: 930.5 y: 1.166 type performance (vswr1) frequency(mhz) magnitude(db) x: 954.5 y: 1.433 910 920 930 940 950 960 970 980 0.5 1 1.5 2 2.5 3 x: 930.5 y: 1.117 type performance (vswr2) frequency(mhz) magnitude(db) x: 954.5 y: 1.446
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