tel: +86-23-62808818 fax: +86-23-62808382 www.sipatsaw.com / sales@sipat.com part number LBS08805 rev. date 2011-04-21 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 87.9mhz saw filter 2mhz 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: LBS08805 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 87.8 87.9 88 insertion loss db - 23.4 26 1.5 db bandwidth mhz 1.55 1.65 - 3 db bandwidth mhz 1.6 1.78 - 30 db bandwidth mhz - 2.39 2.45 40 db bandwidth mhz - 2.48 - 45 db bandwidth mhz - 2.52 - 50 db bandwidth mhz - 2.55 - passband variation db - 0.3 1.5 absolute delay usec - 3.7 4 ultimate rejection(f09mhz) db 55 58 - material temperature coefficient khz/c 0.09 substrate material - qz ambient temperature c 25 operating temperature range c -25 - +85 dc voltage v 0 input power dbm - - 10 esd class - 1c 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 LBS08805 rev. date 2011-04-21 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 87.9mhz saw filter 2mhz 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: LBS08805 matching configuration l1=l2=150nh c1=c2=33pf 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 2,3,4,6 marking configuration: 1) sipat: manufacturer name 2) LBS08805: part number 3) xxyy: date(year/month) 4) zz: identified code 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 LBS08805 xxyyzz input output 50 50 l1 c1 l2 c2 15
tel: +86-23-62808818 fax: +86-23-62808382 www.sipatsaw.com / sales@sipat.com part number LBS08805 rev. date 2011-04-21 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 87.9mhz saw filter 2mhz 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: LBS08805 typical performance frequency response passband response 78 80 82 84 86 88 90 92 94 96 -113.4419 -103.4419 -93.4419 -83.4419 -73.4419 -63.4419 -53.4419 -43.4419 -33.4419 -23.4419 -13.4419 type performance frequency(mhz) magnitude(db) 86 86.5 87 87.5 88 88.5 89 89.5 -25.4419 -24.9419 -24.4419 -23.9419 -23.4419 -22.9419 -22.4419 -21.9419 type performance frequency(mhz) amplitude ripple(db) horizontal: 2mhz/div vertical: 10db/div horizontal: 0.5mhz/div vertical: 0.5db/div group delay variation(f00.8mhz) phase linearity(f00.8mhz) 86 86.5 87 87.5 88 88.5 89 89.5 2800 3000 3200 3400 3600 3800 4000 4200 4400 4600 x: 87.1 y: 3705 type performance frequency(mhz) group delay time(ns) x: 87.9 y: 3712 x: 88.7 y: 3683 86 86.5 87 87.5 88 88.5 89 89.5 -15 -10 -5 0 5 10 x: 88.7 y: 1.265 type performance frequency(mhz) degree(deg) x: 87.1 y: 0.01341 x: 87.9 y: 0.7485 horizontal: 0.5mhz/div vertical: 200ns/div horizontal: 0.5mhz/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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