phone: +86-23-62808818 fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com part number LBT14087 rev. date 2006-7-27 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 10mhz bandwidth part number: LBT14087 specifications parameter unit minimum typical maximum center frequency mhz 139.85 140 140.15 insertion loss db - 28.1 29 1 db bandwidth mhz - 9.55 - 3 db bandwidth mhz 9.75 9.8 - 40 db bandwidth mhz - 10.6 - 50 db bandwidth mhz - 10.7 - passband variation db - 0.9 1.5 absolute delay usec - 3.93 4 (f05.3mhz) db 35 51 - (f05.5mhz) db 45 52 - (f05.9mhz) db 50 53 - ultimate rejection (f09.9mhz) db 55 56 - material temperature coefficient khz/c -2.52 ambient temperature c 25 package size dip3512 (35.0x12.8x4.7mm3) 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=l2=33nh c1=c2=47pf source/load impedance=50 ohm notes - component values may change depending on board layout. c1 input output 50 50 l1 l2 c2
phone: +86-23-62808818 fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com part number LBT14087 rev. date 2006-7-27 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 10mhz bandwidth part number: LBT14087 package dimension input 1 output 5 ground 2,3,4,6 package: dip3512 unit: mm 1 2 3 45 6 12.80 0.5 35.00 0.5 4.5 4.7 0.45 0.05 25.40 0.2 7.62 0.2 2.54 0.2 2.54 0.2
phone: +86-23-62808818 fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com part number LBT14087 rev. date 2006-7-27 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 10mhz bandwidth part number: LBT14087 typical performance fre q uenc y res p ond passband res p ond 125 128 131 134 137 140 143 146 149 152 155 -108.13 -98.13 -88.13 -78.13 -68.13 -58.13 -48.13 -38.13 -28.13 -18.13 135 136 137 138 139 140 141 142 143 144 145 -30.5 -30 -29.5 -29 -28.5 -28 -27.5 -27 -26.5 -26 grou p dela y variation (f 04.6mhz) phase linearit y(f 04.6mhz) smith chart s11 smith chart s22
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