phone: +86-23-62920684 fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com part number LBS11531 rev. date 2005-4-11 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 115mhz saw filter 1.8mhz bandwidth part number: LBS11531 specifications parameter unit minimum typical maximum center frequency mhz 114.92 115 115.08 insertion loss db 20 21.5 3db bandwidth mhz 1.8 1.85 30db bandwidth mhz 2.55 2.6 40db bandwidth mhz 2.66 2.8 50db bandwidth mhz 2.9 3 passband variation db 0.8 1 absolute delay usec 3.4 4 group delay variation(f0720khz) nsec 150 200 phase linearity(f0720mhz) degree 3.4 4 ultimate rejection db 52 55 subatrate material quartz ambient temperature c 25 package size dip2712 (27.0x12.8x4.7mm 3 ) 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 matching configuration l1=68nh l2=15nh l3=27nh l4=82nh source/load impedance=50 ohm notes - component values may change depending on board layout.
phone: +86-23-62920684 fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com part number LBS11531 rev. date 2005-4-11 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 115mhz saw filter 1.8mhz bandwidth part number: LBS11531 package dimension 1 2 3 45 6 7.62 0.2 17.70 0.2 4.5 4.7 27.00 0.5 12.80 0.5 2.54 0.2 2.54 0.2 0.45 0.05 pin 1: input pin 5:output others:grounded
phone: +86-23-62920684 fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com part number LBS11531 rev. date 2005-4-11 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 115mhz saw filter 1.8mhz bandwidth part number: LBS11531 typical performance fre q uenc y res p ond passband res p ond 111 112 113 114 115 116 117 118 119 -99.7076 -89.7076 -79.7076 -69.7076 -59.7076 -49.7076 -39.7076 -29.7076 113.5 114 114.5 115 115.5 116 116.5 117 -24 -23 -22 -21 -20 -19 -18 -17 -16 type performance frequency(mhz) magnitude(db) grou p dela y variation (f 0720khz) phase linearit y (f 0720khz) simth chart s11 simth chart s22
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