tel: +86-23-62808818 fax: +86-23-62808382 www.sipatsaw.com / sawmkt@sipat.com part number LBS70A61 rev. date 2008-06-06 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 3mhz 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: LBS70A61 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 69.9 70 70.1 insertion loss db - 26 30 3 db bandwidth mhz 2.5 2.6 - passband variation db - 0.5 1 absolute delay usec - 3.78 4 f01.7mhz db 35 47 - f01.9mhz db 45 51 - f02.3mhz db 50 58 - f06.3mhz db 55 62 - ultimate rejection f015mhz db 55 62 - material temperature coefficient khz/c 0.07 substrate material - qz 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 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 / sawmkt@sipat.com part number LBS70A61 rev. date 2008-06-06 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 3mhz 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: LBS70A61 matching configuration l1=330nh l2=270nh c1=22pf 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) LBS70A61: part number 3) xxyy: date(year/month) 4) zz: identified code 1 2 3 45 6 12.80 0.5 35.00 0.5 4.5 4.7 0.45 0.05 25.40 0.2 7.62 0.2 2.54 0.2 2.54 0.2 sipat LBS70A61 xxyyzz c1 input output 50 50 l1 l2
tel: +86-23-62808818 fax: +86-23-62808382 www.sipatsaw.com / sawmkt@sipat.com part number LBS70A61 rev. date 2008-06-06 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 3mhz 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: LBS70A61 typical performance frequency respond passband respond 60 62 64 66 68 70 72 74 76 78 80 -115.9266 -105.9266 -95.9266 -85.9266 -75.9266 -65.9266 -55.9266 -45.9266 -35.9266 -25.9266 -15.9266 type performance frequency(mhz) magnitude(db) 67.5 68 68.5 69 69.5 70 70.5 71 71.5 72 72.5 -27.9266 -27.4266 -26.9266 -26.4266 -25.9266 -25.4266 -24.9266 -24.4266 horizontal: 2mhz/div vertical: 10db/div horizontal: 0.5mhz/div vertical: 0.5db/div group delay variation(f01mhz) phase linearity(f01mhz) 67.5 68 68.5 69 69.5 70 70.5 71 71.5 72 72.5 3300 3400 3500 3600 3700 3800 3900 4000 4100 x: 70 y: 3806 type performance frequency(mhz) group delay time(ns) x: 71 y: 3790 x: 69 y: 3819 67.5 68 68.5 69 69.5 70 70.5 71 71.5 72 72.5 -15 -10 -5 0 5 10 x: 70 y: -0.0915 type performance frequency(mhz) degree(deg) x: 71 y: 0.364 x: 69 y: -0.4272 horizontal: 0.5mhz/div vertical: 100ns/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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