phone: +86-23-62808818 fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com part number LB260DS01 rev. date 2006-1-26 sipat co., ltd. ( cetc no. 26 research institute ) nanping huayuan road no. 14 chongqing, china, 400060 rev. 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 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 259.86mhz saw filter 14mhz bandwidth part number: LB260DS01 specifications parameter unit minimum typical maximum center frequency mhz - 259.86 - insertion loss db - 16.2 17 1.5 db bandwidth mhz 12.5 14.23 - 3 db bandwidth mhz 14.4 15 - 15 db bandwidth mhz - 17.17 - 253.61 266.11 db - 1 1.4 253.61 255.47 db - 0.6 0.8 255.47 257.33 db - 0.6 0.8 257.33 259.84 db - 0.6 0.8 259.89 262.40 db - 0.6 0.8 262.40 264.25 db - 0.6 0.8 passband variation 264.25 266.11 db - 0.7 1 absolute delay usec - 0.7 - group delay variation(f06.24mhz) nsec - 52 70 230.0 247.86 db 34 40 - 247.86 249.36 db 32 38 - 268.86 270.16 db 13 14 - 270.16 271.86 db 34 36 - ultimate rejection 271.86 290.0 db 35 40 - material temperature coefficient khz/c -4.68 ambient temperature c 25 package size smd7*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 LB260DS01 rev. date 2006-1-26 sipat co., ltd. ( cetc no. 26 research institute ) nanping huayuan road no. 14 chongqing, china, 400060 rev. 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 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 259.86mhz saw filter 14mhz bandwidth part number: LB260DS01 matching configuration l1=27nh l2=33nh c1=c2=22pf source/load impedance=50 ohm notes - component values may change depending on board layout. package dimension 4 3 2 5 9 10 1 1 3 2 9 10 8 7 6 5 4 input 9 output 4 ground 1,2,3,5,6,7,8,10 package: smd5*7 unit: mm c1 input output 50 50 l1 l2 c2
phone: +86-23-62808818 fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com part number LB260DS01 rev. date 2006-1-26 sipat co., ltd. ( cetc no. 26 research institute ) nanping huayuan road no. 14 chongqing, china, 400060 rev. 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 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 259.86mhz saw filter 14mhz bandwidth part number: LB260DS01 typical performance fre q uenc y res p ond passband res p ond 230 240 250 260 270 280 290 300 -106.1209 -96.1209 -86.1209 -76.1209 -66.1209 -56.1209 -46.1209 -36.1209 -26.1209 -16.1209 -6.1209 type performance frequency(mhz) magnitude(db) horizontal: 10mhz/div vertical: 10db/div 250 252 254 256 258 260 262 264 266 268 270 -18.1209 -17.1209 -16.1209 -15.1209 type performance frequency(mhz) magnitude(db) horizontal: 2mhz/div vertical: 1db/div grou p dela y variation ( f06.24mhz ) phase linearit y( f06.24mhz ) 250 252 254 256 258 260 262 264 266 268 270 550 600 650 700 750 800 850 type performance frequency(mhz) group delay time(ns) horizontal: 1mhz/div vertical: 50ns/div 250 255 260 265 270 -15 -10 -5 0 5 10 15 20 type performance frequency(mhz) degree(deg) horizontal: 5mhz/div vertical: 1deg/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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