phone: +86-23-62808818 fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com part number LBN12205 rev. date 2007-04-23 sipat co., ltd. ( cetc no. 26 research institute ) nanping huayuan road no. 14 chongqing, china, 400060 ver. 1.0 page 1/4 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 121.8mhz saw filter 25mhz bandwidth part number: LBN12205 specifications parameter unit minimum typical maximum center frequency mhz 121.6 121.8 122 insertion loss db - 20 25 1.2 db bandwidth mhz 25.1 25.8 - 3 db bandwidth mhz 25.2 26.39 - 10 db bandwidth mhz - 27.46 - 20 db bandwidth mhz - 28.42 - 35 db bandwidth mhz - 29.84 31 40 db bandwidth mhz - 31.42 - passband variation db - 0.9 1.2 absolute delay usec - 1.15 1.5 phase linearity(f012mhz) deg - 7 10 group delay variation(f012mhz) nsec - 50 200 ultimate rejection(over f020mhz) db 40 42 - material temperature coefficient khz/c -11.45 ambient temperature c 25 package size smd13.3*6.5c 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=82nh c1=4.7pf source/load impedance=50 ohm notes - component values may change depending on board layout. c1 input output 50 50 l1 l2
phone: +86-23-62808818 fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com part number LBN12205 rev. date 2007-04-23 sipat co., ltd. ( cetc no. 26 research institute ) nanping huayuan road no. 14 chongqing, china, 400060 ver. 1.0 page 2/4 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 121.8mhz saw filter 25mhz bandwidth part number: LBN12205 package dimension 1) : pad number 1 index 2) sipat: manufacturer name 3) LBN12205: part number 4) 07xx: date code input 11 output 5 ground 1,2,3,4,6, 7,8,9,10,12 package: smd13.3*6.5c unit: mm 6 5 12 11 4 3 2 1 7 8 9 10 1 3 2 4 10 7 8 9 12 11 5 6 13.3 +0.2 -0.1 6.5 +0.2 -0.1 1.56 0.1 0.4 0.79 0.76 1.5 2.54 sipat LBN12205 07xx
phone: +86-23-62808818 fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com part number LBN12205 rev. date 2007-04-23 sipat co., ltd. ( cetc no. 26 research institute ) nanping huayuan road no. 14 chongqing, china, 400060 ver. 1.0 page 3/4 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 121.8mhz saw filter 25mhz bandwidth part number: LBN12205 typical performance fre q uenc y res p ond passband res p ond 90 100 110 120 130 140 150 160 -99.9765 -89.9765 -79.9765 -69.9765 -59.9765 -49.9765 -39.9765 -29.9765 -19.9765 type performance frequency(mhz) magnitude(db) 3db cf = 121.7218mhz 1.2db = 25.7988mhz 3db = 26.3857mhz 10db = 27.4609mhz 20db = 28.4218mhz 35db = 29.8371mhz 40db = 31.4248mhz insert loss = -19.9765db passband ripple = 0.85175db ultimate rejection = 35.7191db group delay = 59.3177ns phase linearity = 6.612deg absolute delay = 1149.6975ns horizontal: 10mhz/div vertical: 10db/div 100 110 120 130 140 150 -22.4765 -21.9765 -21.4765 -20.9765 -20.4765 -19.9765 -19.4765 -18.9765 horizontal: 10mhz/div vertical: 0.5db/div grou p dela y variation ( f012mhz ) phase linearit y( f012mhz ) 90 100 110 120 130 140 150 160 1000 1050 1100 1150 1200 1250 x: 121.8 y: 1138 type performance frequency(mhz) group delay time(ns) x: 133.8 y: 1137 x: 109.8 y: 1126 horizontal: 10mhz/div vertical: 50ns/div 90 100 110 120 130 140 150 160 -15 -10 -5 0 5 10 x: 121.8 y: -0.9048 type performance frequency(mhz) degree(deg) x: 109.8 y: 0.003361 x: 133.8 y: 4.957 horizontal: 10mhz/div vertical: 5deg/div smith chart s11 smith chart s22 0.2 0.5 1.0 2.0 5.0 +j0.2 -j0.2 +j0.5 -j0.5 +j1.0 -j1.0 +j2.0 -j2.0 +j5.0 -j5.0 0.0 0.2 0.5 1.0 2.0 5.0 +j0.2 -j0.2 +j0.5 -j0.5 +j1.0 -j1.0 +j2.0 -j2.0 +j5.0 -j5.0 0.0
phone: +86-23-62808818 fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com part number LBN12205 rev. date 2007-04-23 sipat co., ltd. ( cetc no. 26 research institute ) nanping huayuan road no. 14 chongqing, china, 400060 ver. 1.0 page 4/4 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 121.8mhz saw filter 25mhz bandwidth part number: LBN12205 maximum ratings operating temperature range c [-40 c;+85c] storage temperature range c [-40 c;+105c] dc voltage v 0 input power dbm 10 max esd class 1
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