phone: +86-23-62920684 fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com part number LBT14065 rev. date 2005-1-30 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 140mhz saw filter 9.4mhz bandwidth part number: LBT14065 specifications parameter unit minimum typical maximum center frequency mhz 139.95 140 140.05 insertion loss db 21.7 23.2 1.5 db bandwidth mhz 9.4 9.45 25 db bandwidth mhz 10.3 10.4 30 db bandwidth mhz 10.4 11 40 db bandwidth mhz 10.8 11.5 group delay variation(f03.76mhz) nsec 100 130 phase linearity(f03.76mhz) degree 6 10 passband variation db 1.1 1.5 absolute delay usec 2.28 2.3 vswr 1.6 2.3 ultimate rejection db 37 40 subatrate material 112lt 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 temperature 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=22nh l2=56nh c1=51pf c2=33pf source/load impedance=50 ohm notes - component values may change depending on board layout. l2 l1 c1 c2
phone: +86-23-62920684 fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com part number LBT14065 rev. date 2005-1-30 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 140mhz saw filter 9.4mhz bandwidth part number: LBT14065 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
phone: +86-23-62920684 fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com part number LBT14065 rev. date 2005-1-30 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 140mhz saw filter 9.4mhz bandwidth part number: LBT14065 typical performance fre q uenc y res p ond passband res p ond 128 131 134 137 140 143 146 149 152 -81.6502 -71.6502 -61.6502 -51.6502 -41.6502 -31.6502 136 138 140 142 144 146 -26 -25 -24 -23 -22 -21 -20 -19 -18 type performance frequency(mhz) magnitude(db) grou p dela y variation ( f0 3.76mhz ) phase linearit y ( f0 3.76mhz ) sw r s11 sw r s22
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