tel: +86-23-62808818 fax: +86-23-62808382 www.sipatsaw.com / sales@sipat.com part number LBS84402 rev. date 2011-01-29 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 844mhz saw filter 10mhz 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: LBS84402 features ? for if saw filter ? single-ended operation ? ceramic surface mount package ? small size ? rohs compliant (2002/95/ec), pb-free specifications parameter unit minimum typical maximum center frequency mhz - 844 - insertion loss(f04.75mhz) db - 30.4 32 1.5 db bandwidth mhz - 9.12 - 3 db bandwidth mhz 9.35 9.41 - 35 db bandwidth mhz - 11.06 11.5 40 db bandwidth mhz - 11.16 - passband variation(f04.75mhz) db - 1.2 1.5 group delay variation(f04.75mhz) nsec - 150 300 absolute delay usec - 1.88 - ultimate rejection(f010mhz) db 40 45 - material temperature coefficient khz/c 0.84 substrate material - qz ambient temperature c 25 dc voltage v 0 input power dbm - - 10 esd class - 1c package size smd13.3*6.5 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 LBS84402 rev. date 2011-01-29 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 844mhz saw filter 10mhz 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: LBS84402 matching configuration l1=6.8nh l2=3.9nh c1=c2=6.8pf source/load impedance=50 ohm notes - component values may change depending on board layout. package dimension package: smd13.3*6.5 unit: mm pad configuration: input: 11 output: 5 ground: all others marking configuration: 1) ?: pad number 1 index 2) sipat: manufacturer name 3) LBS84402: part number 4) xxyy: date(year/month) 5) zz: identified code c1 l1 input output 50 50 l2 c2 6 5 12 11 4 3 2 1 7 8 9 10 1 3 2 4 10 7 8 9 12 11 5 6 13.30.2 6.50.2 1.80 0.19 0.4 0.8 0.76 1.5 2.54 sipat LBS84402 xxyyzz
tel: +86-23-62808818 fax: +86-23-62808382 www.sipatsaw.com / sales@sipat.com part number LBS84402 rev. date 2011-01-29 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 844mhz saw filter 10mhz 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: LBS84402 typical performance frequency response passband response 820 825 830 835 840 845 850 855 860 865 -120.4116 -110.4116 -100.4116 -90.4116 -80.4116 -70.4116 -60.4116 -50.4116 -40.4116 -30.4116 -20.4116 type performance frequency(mhz) magnitude(db) 834 836 838 840 842 844 846 848 850 852 854 -32.9116 -32.4116 -31.9116 -31.4116 -30.9116 -30.4116 -29.9116 -29.4116 -28.9116 type performance frequency(mhz) amplitude ripple(db) horizontal: 5mhz/div vertical: 10db/div horizontal: 2mhz/div vertical: 0.5db/div group delay variation(f04.7mhz) phase linearity(f04.7mhz) 834 836 838 840 842 844 846 848 850 852 854 1200 1400 1600 1800 2000 2200 2400 x: 839.3 y: 1771 type performance frequency(mhz) group delay time(ns) x: 848.7 y: 1781 834 836 838 840 842 844 846 848 850 852 854 -50 -40 -30 -20 -10 0 10 20 30 40 x: 839.3 y: -11.31 type performance frequency(mhz) degree(deg) x: 848.7 y: -7.322 horizontal: 2mhz/div vertical: 200ns/div horizontal: 2mhz/div vertical: 10deg/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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