tel: +86-23-62808818 fax: +86-23-62808382 www.sipatsaw.com / sales@sipat.com part number LBN70A68 rev. date 2010-06-28 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 70mhz 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: LBN70A68 features ? for if saw filter ? high attenuation ? single-ended operation ? dual in-line package ? no matching required for operation at 50 ? ? rohs compliant (2002/95/ec), pb-free specifications parameter unit minimum typical maximum center frequency mhz 69.9 70 70.1 insertion loss db - 22.9 - 1 db bandwidth mhz 4.87 4.94 4.97 3 db bandwidth mhz 4.92 5.13 - 30 db bandwidth mhz 5.67 5.71 5.77 40 db bandwidth mhz - 5.79 - 45 db bandwidth mhz - 5.81 - 50 db bandwidth mhz - 5.83 - 55 db bandwidth mhz - 5.92 - passband variation db - 0.4 - absolute delay usec - 3.7 - ultimate rejection(f010mhz) db 65 66 - material temperature coefficient khz/c -13.16 substrate material - yz ln 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 LBN70A68 rev. date 2010-06-28 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 70mhz 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: LBN70A68 matching configuration 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) LBN70A68: part number 3) xxyy: date(year/month) 4) zz: identified code input output 50 50 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 LBN70A68 xxyyzz
tel: +86-23-62808818 fax: +86-23-62808382 www.sipatsaw.com / sales@sipat.com part number LBN70A68 rev. date 2010-06-28 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 70mhz 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: LBN70A68 typical performance frequency response passband response 55 60 65 70 75 80 85 -112.8985 -102.8985 -92.8985 -82.8985 -72.8985 -62.8985 -52.8985 -42.8985 -32.8985 -22.8985 -12.8985 type performance frequency(mhz) magnitude(db) 65 66 67 68 69 70 71 72 73 74 75 -25.3985 -24.8985 -24.3985 -23.8985 -23.3985 -22.8985 -22.3985 -21.8985 -21.3985 type performance frequency(mhz) amplitude ripple(db) horizontal: 5mhz/div vertical: 10db/div horizontal: 1mhz/div vertical: 0.5db/div group delay variation(f02mhz) phase linearity(f02mhz) 65 66 67 68 69 70 71 72 73 74 75 2800 3000 3200 3400 3600 3800 4000 4200 4400 4600 x: 70 y: 3679 type performance frequency(mhz) group delay time(ns) x: 72.03 y: 3626 x: 67.97 y: 3663 65 66 67 68 69 70 71 72 73 74 75 -30 -25 -20 -15 -10 -5 0 5 10 15 20 25 x: 67.97 y: 1.613 type performance frequency(mhz) degree(deg) x: 72.03 y: 4.274 x: 70 y: -3.159 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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