tel: +86-23-62808818 fax: +86-23-62808382 www.sipatsaw.com / sawmkt@sipat.com part number LBT90004 rev. date 2009-09-28 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 900mhz saw filter 30mhz 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: LBT90004 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 - 900 - insertion loss(885~915mhz) db - 2.6 3.6 1 db bandwidth mhz 30 33.16 - 3 db bandwidth mhz 37 37.68 - passband variation(885~915mhz) db - 0.8 1.8 dc 840mhz db 48 58 - 930 990mhz db 20 20 - ultimate rejection 990 2000mhz db 48 58 - material temperature coefficient khz/c -28.8 substrate material - 42lt ambient temperature c 25 operating temperature range c -40 - +85 storage temperature range c -45 - +105 dc voltage v 0 input power dbm - - 10 esd class - 1a package size smd3.8*3.8 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 / sawmkt@sipat.com part number LBT90004 rev. date 2009-09-28 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 900mhz saw filter 30mhz 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: LBT90004 matching configuration source/load impedance=50 ohm notes - component values may change depending on board layout. package dimension package: smd3.8*3.8 unit: mm pad configuration: input: 2 output: 6 ground: all others marking configuration: 1) ?: pad number 1 index 2) 90004: part number 3) xxyy: date(year/month) input output 50 50 1.80 0.60 1.90 1.27 1.20max 3.80 0.20 3.80 0.15 123 6 5 7 1 2 3 7 6 5 90004 xxyy 8 4 1.50 4 8 1.00
tel: +86-23-62808818 fax: +86-23-62808382 www.sipatsaw.com / sawmkt@sipat.com part number LBT90004 rev. date 2009-09-28 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 900mhz saw filter 30mhz 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: LBT90004 typical performance frequency respond passband respond 750 800 850 900 950 1000 1050 -91.5216 -81.5216 -71.5216 -61.5216 -51.5216 -41.5216 -31.5216 -21.5216 -11.5216 -1.5216 8.4784 type performance frequency(mhz) magnitude(db) 860 870 880 890 900 910 920 930 940 950 -4.0216 -3.5216 -3.0216 -2.5216 -2.0216 -1.5216 -1.0216 -0.5216 -0.0216 type performance frequency(mhz) amplitude ripple(db) horizontal: 50mhz/div vertical: 10db/div horizontal: 10mhz/div vertical: 0.5db/div group delay variation(f015mhz) phase linearity(f015mhz) 870 880 890 900 910 920 930 -200 -150 -100 -50 0 50 100 150 200 250 x: 900 y: 34.61 type performance frequency(mhz) group delay time(ns) x: 915 y: 39.52 x: 885 y: 71.2 870 880 890 900 910 920 930 -300 -250 -200 -150 -100 -50 0 50 100 150 200 250 x: 885 y: 17.49 type performance frequency(mhz) degree(deg) x: 915 y: 18.2 x: 900 y: -7.544 horizontal: 10mhz/div vertical: 50ns/div horizontal: 10mhz/div vertical: 50deg/div smith chart s11 smith chart s22 0.2 0.5 1.0 2.0 5.0 +j0.2 -j0.2 +j0.5 -j0.5 +j1.0 -j1.0 +j2.0 -j2.0 +j5.0 -j5.0 0.0 0.2 0.5 1.0 2.0 5.0 +j0.2 -j0.2 +j0.5 -j0.5 +j1.0 -j1.0 +j2.0 -j2.0 +j5.0 -j5.0 0.0
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