phone: +86-23-62920684 fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com tel: +86-23-62808818 fax: +86-23-62808382 www.sipatsaw.com / sawmkt@sipat.com sipat co., ltd. ( cetc no.26 research institute ) #14 nanping huayuan road, chongqing, china, 400060 part number LBS12303 rev. date 2011-12-12 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 122.75mhz saw filter 2.6mhz 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: LBS12303 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 122.65 122.75 122.85 insertion loss db - 23.9 26 3db bandwidth mhz 2.55 2.61 - 30db bandwidth mhz - 3.27 3.3 45db bandwidth mhz 3.43 3.7 50db bandwidth mhz 3.48 4.3 passband variation db - 0.4 1 absolute delay usec - 3.48 4.0 ultimate rejection(f06.25mhz) db 50 53 - material temperature coefficient khz/c 0.12 substrate material - st-qz ambient temperature c 25 operating temperature range c -25 - +85 storage temperature range c -45 - +105 dc voltage v 0 input power dbm - - 10 esd class - 1c package size dip3512 (35*12.6*5.2mm3) 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 d ue to temperature drift and manufacturing tolerances; 4. this is the optimum impedance in order to achieve the performance show.
phone: +86-23-62920684 fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com tel: +86-23-62808818 fax: +86-23-62808382 www.sipatsaw.com / sawmkt@sipat.com sipat co., ltd. ( cetc no.26 research institute ) #14 nanping huayuan road, chongqing, china, 400060 part number LBS12303 rev. date 2011-12-12 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 122.75mhz saw filter 2.6mhz 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: LBS12303 matching configuration ? l1=100nh l2=82nh c1=33 pf c2=39pf source/load impedance=50 ohm notes - component values may change depending on board layout. package dimension pad configuration: input 1 output 5 ground all others marking configuration: 1) sipat: manufacturer name 2) LBS12303: part number 3)xxyy: date code 4) zz: identified code package: dip3512 unit: mm 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 0.50 7.62 0.50 2.54 0.20 2.54 0.20 sipat LBS12303 xxyyzz
phone: +86-23-62920684 fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com tel: +86-23-62808818 fax: +86-23-62808382 www.sipatsaw.com / sawmkt@sipat.com sipat co., ltd. ( cetc no.26 research institute ) #14 nanping huayuan road, chongqing, china, 400060 part number LBS12303 rev. date 2011-12-12 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 122.75mhz saw filter 2.6mhz 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: LBS12303 typical performance frequency respond passband respond 114 116 118 120 122 124 126 128 130 132 -113.8955 -103.8955 -93.8955 -83.8955 -73.8955 -63.8955 -53.8955 -43.8955 -33.8955 -23.8955 -13.8955 type performance frequency(mhz) magnitude(db) 120.5 121 121.5 122 122.5 123 123.5 124 124.5 125 125.5 -26.3955 -25.8955 -25.3955 -24.8955 -24.3955 -23.8955 -23.3955 -22.8955 -22.3955 -21.8955 -21.3955 type performance frequency(mhz) amplitude ripple(db) horizontal: 2mhz/div vertical: 10db/div horizontal: 0.5mhz/div vertical: 0.5db/div group delay variation phase linearity 121 121.5 122 122.5 123 123.5 124 124.5 3000 3500 4000 4500 x: 122.8 y: 3508 type performance frequency(mhz) group delay time(ns) x: 124.1 y: 3462 x: 121.5 y: 3437 121 121.5 122 122.5 123 123.5 124 124.5 -6 -4 -2 0 2 4 6 8 10 x: 122.8 y: -1.251 type performance frequency(mhz) degree(deg) x: 124.1 y: 2.297 x: 121.5 y: -1.726 horizontal: 0.5mhz/div vertical: 500ns/div horizontal: 0.5mhz/div vertical: 2deg/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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