phone: +86-23-62808818 fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com part number LB140DS15 rev. date 2007-04-11 sipat co., ltd. ( cetc no. 26 research institute ) nanping huayuan road no. 14 chongqing, china, 400060 rev. 1.1 page 1/4 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 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 140mhz low-loss saw filter 20mhz bandwidth part number: LB140DS15 specifications parameter unit minimum typical maximum center frequency mhz - 140 - insertion loss db - 10.3 11.5 1 db bandwidth mhz 18.4 21.21 - 3 db bandwidth mhz 19.6 22.07 - 35 db bandwidth mhz - 25.66 26.4 40 db bandwidth mhz - 26.3 - passband variation (over the 1db bandwidth) db - 0.6 1 absolute delay usec - 1.2 - group delay variation (130.8 149.2mhz) nsec - 80 160 10 90mhz db 35 64 - 90 125mhz db 40 52 - 120 126.8mhz db 35 52 - 155 160mhz db 40 45 - 160 190mhz db 40 46 - ultimate rejection 190 800mhz db 35 73 - input vswr(130.8 149.2mhz) - - 1.67 2.8 output vswr(130.8 149.2mhz) - - 1.41 2.3 material temperature coefficient khz/c -13.16 ambient temperature c 25 package size smd13.3*6.5 notes: 1. all specifications are based on the test circuit shown 2. in production, devices will be tested at room te mperature to a guardbanded specification to ensure electrical compliance over 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
phone: +86-23-62808818 fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com part number LB140DS15 rev. date 2007-04-11 sipat co., ltd. ( cetc no. 26 research institute ) nanping huayuan road no. 14 chongqing, china, 400060 rev. 1.1 page 2/4 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 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 140mhz low-loss saw filter 20mhz bandwidth part number: LB140DS15 matching configuration l1=127nh l2=100nh c1=22pf c2=34pf source/load impedance=50 ohm notes - component values may change depending on board layout. package dimension 1) : pad number 1 index 2) sipat: manufacturer name 3) LB140DS15: part number 4) 07xx: date code input 11 output 5 ground 1,2,3,4,6,7,8,9,10,12 package: smd13.3*6.5 unit: mm c1 input output 50 50 l1 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 13.3 +0.2 -0.1 6.5 +0.2 -0.1 1.56 0.1 0.4 0.79 0.76 1.5 2.54 sipat LB140DS15 07xx
phone: +86-23-62808818 fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com part number LB140DS15 rev. date 2007-04-11 sipat co., ltd. ( cetc no. 26 research institute ) nanping huayuan road no. 14 chongqing, china, 400060 rev. 1.1 page 3/4 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 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 140mhz low-loss saw filter 20mhz bandwidth part number: LB140DS15 typical performance fre q uenc y res p ond passband res p ond 90 100 110 120 130 140 150 160 170 180 190 -90.3362 -80.3362 -70.3362 -60.3362 -50.3362 -40.3362 -30.3362 -20.3362 -10.3362 125 130 135 140 145 150 155 -12.5 -12 -11.5 -11 -10.5 -10 -9.5 -9 -8.5 -8 grou p dela y variation ( f09.2mhz ) phase linearit y( f09.2mhz ) smith chart s11 smith chart s22
phone: +86-23-62808818 fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com part number LB140DS15 rev. date 2007-04-11 sipat co., ltd. ( cetc no. 26 research institute ) nanping huayuan road no. 14 chongqing, china, 400060 rev. 1.1 page 4/4 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 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 140mhz low-loss saw filter 20mhz bandwidth part number: LB140DS15 maximum ratings operating temperature range c [-40 c;+85c] storage temperature range c [-40 c;+105c] dc voltage v 0 input power dbm 10 max esd class 1
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