tel: +86-23-62808818 fax: +86-23-62808382 www.sipatsaw.com / sales@sipat.com part number LBS12405 rev. date 2010-01-07 sipat co., ltd. ( cetc no.26 research institute ) #14 nanping huayuan road, chongqing, china, 400060 ver. 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 124mhz saw filter 4mhz bandwidth 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 part number: LBS12405 features ? for if saw filter ? high attenuation ? single-ended operation ? dual in-line package ? rohs compliant (2002/95/ec), pb-free specifications parameter unit minimum typical maximum center frequency mhz 123.85 124 124.15 insertion loss db - 25 30 3 db bandwidth mhz 4.15 4.23 - 35 db bandwidth mhz - 5.1 5.2 40 db bandwidth mhz - 5.15 - 45 db bandwidth mhz - 5.2 5.6 50 db bandwidth mhz - 5.28 6.4 53 db bandwidth mhz - 5.34 14.4 passband variation db - 0.6 1.5 absolute delay usec - 2.7 4 ultimate rejection(f017.1mhz) db 53 58 - material temperature coefficient khz/c 0.12 substrate material - qz ambient temperature c 25 operating temperature range c -40 - +85 storage temperature range c -45 - +105 dc voltage v 0 input power dbm - - 10 esd class - 1c package size dip3512 (35.0x12.8x4.7mm3) notes: 1. all specifications are based on the test circuit shown; 2. in production, all specifications are measured by ag ilent network analyzer and full 2 port calibration at room 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.
tel: +86-23-62808818 fax: +86-23-62808382 www.sipatsaw.com / sales@sipat.com part number LBS12405 rev. date 2010-01-07 sipat co., ltd. ( cetc no.26 research institute ) #14 nanping huayuan road, chongqing, china, 400060 ver. 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 124mhz saw filter 4mhz bandwidth 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 part number: LBS12405 matching configuration l1=120nh l2=80nh c1=33pf c1=39pf source/load impedance=50 ohm notes - component values may change depending on board layout. package dimension package: dip3512 unit: mm pad configuration: input 1 output 5 ground all others marking configuration: 1) sipat: manufacturer name 2) LBS12405: part number 3) xxyy: date(year/month) 4) zz: identified code c1 input output 50 50 l1 l2 c2 1 2 3 45 6 12.80 0.50 35.00 0.50 4.50 0.50 4.70 0.50 0.45 0.05 25.40 0.20 7.62 0.20 2.54 0.20 2.54 0.20 sipat LBS12405 xxyyzz
tel: +86-23-62808818 fax: +86-23-62808382 www.sipatsaw.com / sales@sipat.com part number LBS12405 rev. date 2010-01-07 sipat co., ltd. ( cetc no.26 research institute ) #14 nanping huayuan road, chongqing, china, 400060 ver. 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 124mhz saw filter 4mhz bandwidth 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 part number: LBS12405 typical performance frequency response passband response 100 105 110 115 120 125 130 135 140 145 -114.9497 -104.9497 -94.9497 -84.9497 -74.9497 -64.9497 -54.9497 -44.9497 -34.9497 -24.9497 -14.9497 type performance frequency(mhz) magnitude(db) 119 120 121 122 123 124 125 126 127 128 129 -27.4497 -26.9497 -26.4497 -25.9497 -25.4497 -24.9497 -24.4497 -23.9497 -23.4497 type performance frequency(mhz) amplitude ripple(db) horizontal: 5mhz/div vertical: 10db/div horizontal: 1mhz/div vertical: 0.5db/div group delay variation(f02mhz) phase linearity(f02mhz) 120 121 122 123 124 125 126 127 128 2300 2400 2500 2600 2700 2800 2900 3000 x: 124 y: 2687 type performance frequency(mhz) group delay time(ns) x: 126 y: 2679 x: 122 y: 2703 120 121 122 123 124 125 126 127 128 -25 -20 -15 -10 -5 0 5 10 15 20 x: 122 y: -0.5439 type performance frequency(mhz) degree(deg) x: 126 y: 1.121 x: 124 y: 0.3096 horizontal: 1mhz/div vertical: 100ns/div horizontal: 1mhz/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
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