phone: +86-23-62920684 fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com part number LBS11540 rev. date 2005-8-10 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 0.27mhz bandwidth part number: LBS11540 specifications parameter unit minimum typical maximum center frequency mhz 114.96 115 115.04 insertion loss db 18.5 19.5 2 db bandwidth mhz 0.2 0.27 45db bandwidth mhz 0.75 0.8 50db bandwidth mhz 0.77 1.2 passband variation db 0.3 0.5 group delay variation fo 0. 1mhz nsec 200 300 absolute delay usec 4.48 4.6 ultimate rejection outside of fo 0.6mhz db 50 52 material temperature coefficient khz/c 0.115 ambient temperature c 25 package size dip3616(36x16x5mm 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 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 LBS11540 rev. date 2005-8-10 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 0.27mhz bandwidth part number: LBS11540 package dimension input pin:4 output pin:3
phone: +86-23-62920684 fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com part number LBS11540 rev. date 2005-8-10 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 0.27mhz bandwidth part number: LBS11540 typical performance fre q uenc y res p ond passband res p ond 111 112 113 114 115 116 117 118 119 120 -100 -90 -80 -70 -60 -50 -40 -30 -20 type performance frequency(mhz) magnitude(db) 114.5 114.6 114.7 114.8 114.9 115 115.1 115.2 115.3 115.4 115.5 -23 -22 -21 -20 -19 -18 -17 -16 -15 -14 grou p dela y variation (f 04.4mhz) phase linearit y(f 04.4mhz) simth chart s11 simth chart s22
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