phone: +86-23-62920684 fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com part number LBN12504 rev. date 2005-8-29 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 125mhz saw filter 29.2mhz bandwidth part number: LBN12504 specifications parameter unit minimum typical maximum center frequency mhz 124.8 125 125.2 insertion loss db - 24 26 1 db bandwidth mhz 29.2 29.75 - 3 db bandwidth mhz 30 30.78 - 50 db bandwidth mhz - 34 35 passband variation db - 0.8 1.0 absolute delay usec - 1.29 - group delay variation(f014.5mhz) nsec - 25 - ultimate rejection db 50 55 - material temperature coefficient khz/c -10.25 ambient temperature c 25 package size dip2012 (20x12.5x4mm 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=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 LBN12504 rev. date 2005-8-29 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 125mhz saw filter 29.2mhz bandwidth part number: LBN12504 package dimension 1 2 45 input:1 output:5
phone: +86-23-62920684 fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com part number LBN12504 rev. date 2005-8-29 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 125mhz saw filter 29.2mhz bandwidth part number: LBN12504 typical performance fre q uenc y res p ond passband res p ond 85 95 105 115 125 135 145 155 165 -94.3224 -84.3224 -74.3224 -64.3224 -54.3224 -44.3224 -34.3224 -24.3224 105 110 115 120 125 130 135 140 145 -29 -28 -27 -26 -25 -24 -23 -22 -21 -20 grou p dela y variation (f 014.5hz) phase linearit y(f 014.5hz) smith chart s11 smith chart s22
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