tel: +86-23-62808818 fax: +86-23-62808382 www.sipatsaw.com / sales@sipat.com part number LBT13814 rev. date 2011-03-23 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 137.5mhz saw filter 5mhz 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: LBT13814 features ? for if saw filter ? high attenuation ? single-ended operation ? dual in-line package ? rohs compliant (2002/95/ec), pb-free specifications parameter unit minimum typical maximum center frequency mhz 137.4 137.5 137.6 insertion loss db - 25.1 28 1.5 db bandwidth mhz 4.95 5.04 - 3 db bandwidth mhz 5 5.17 - 30 db bandwidth mhz - 5.79 5.85 40 db bandwidth mhz - 5.88 - passband variation db - 0.9 1.5 absolute delay usec - 4.1 - ultimate rejection(f015mhz) db 55 57 - material temperature coefficient khz/c -2.48 substrate material - 112lt ambient temperature c 25 dc voltage v 0 input power dbm - - 10 esd class - 1a package size dip3512 (35.0x12.8x4.7mm3) 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 LBT13814 rev. date 2011-03-23 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 137.5mhz saw filter 5mhz 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: LBT13814 matching configuration l1=27nh l2=47nh c1=47pf c2=27pf source/load impedance=50 ohm notes - component values may change depending on board layout. package dimension package: dip3512 unit: mm pad configuration: input 1 output 5 ground all others marking configuration: 1) sipat: manufacturer name 2) LBT13814: part number 3) xxyy: date(year/month) 4) zz: identified code c1 input output 50 50 l1 l2 c2 1 2 3 45 6 12.80 0.50 35.00 0.50 4.50 0.50 4.70 0.50 0.45 0.05 25.40 0.50 7.62 0.50 2.54 0.20 2.54 0.20 sipat LBT13814 xxyyzz
tel: +86-23-62808818 fax: +86-23-62808382 www.sipatsaw.com / sales@sipat.com part number LBT13814 rev. date 2011-03-23 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 137.5mhz saw filter 5mhz 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: LBT13814 typical performance frequency response passband response 125 130 135 140 145 150 -115.0626 -105.0626 -95.0626 -85.0626 -75.0626 -65.0626 -55.0626 -45.0626 -35.0626 -25.0626 -15.0626 type performance frequency(mhz) magnitude(db) 133 134 135 136 137 138 139 140 141 142 -27.5626 -27.0626 -26.5626 -26.0626 -25.5626 -25.0626 -24.5626 -24.0626 -23.5626 type performance frequency(mhz) amplitude ripple(db) horizontal: 5mhz/div vertical: 10db/div horizontal: 1mhz/div vertical: 0.5db/div group delay variation(f02.5mhz) phase linearity(f02.5mhz) 133 134 135 136 137 138 139 140 141 142 3000 3200 3400 3600 3800 4000 4200 4400 4600 4800 5000 5200 x: 137.5 y: 4118 type performance frequency(mhz) group delay time(ns) x: 135 y: 4109 x: 140 y: 4038 133 134 135 136 137 138 139 140 141 142 -30 -25 -20 -15 -10 -5 0 5 10 15 20 25 x: 140 y: 5.427 type performance frequency(mhz) degree(deg) x: 137.5 y: -2.044 x: 135 y: 1.664 horizontal: 1mhz/div vertical: 200ns/div horizontal: 1mhz/div vertical: 5deg/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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