tel: +86-23-62808818 fax: +86-23-62808382 www.sipatsaw.com / sales@sipat.com part number LBS22502 rev. date 2010-09-09 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 225mhz 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: LBS22502 features ? for if saw filter ? single-ended operation ? ceramic surface mount package ? small size ? rohs compliant (2002/95/ec), pb-free specifications parameter unit minimum typical maximum center frequency mhz 224.9 225 225.1 insertion loss db - 21.2 25 1 db bandwidth mhz - 4.13 - 1.5 db bandwidth mhz 4 4.33 - 3 db bandwidth mhz - 4.71 - 40 db bandwidth mhz - 6.78 - passband variation db - 0.6 1 absolute delay usec - 1.42 - ultimate rejection db 45 48 - material temperature coefficient khz/c 0.23 substrate material - qz ambient temperature c 25 dc voltage v 0 input power dbm - - 10 esd class - 1c package size smd13.3*6.5 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 LBS22502 rev. date 2010-09-09 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 225mhz 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: LBS22502 matching configuration l1=(47+5)nh l2=47nh c1=27pf c2=15pf source/load impedance=50 ohm notes - component values may change depending on board layout. package dimension 13.3 +0.2 -0.1 6.5 +0.2 -0.1 0.4 0.76 2.9 1.02 0.13 0.6 1.905 0.15 1.51 0.2 sipat LBS22502 xxyyzz 0.51 package: smd13.3*6.5 unit: mm pad configuration: input: 10 output: 5 ground: all others marking configuration: 1) ?: pad number 1 index 2) sipat: manufacturer name 3) LBS22502: part number 4) xxyy: date(year/month) 5) zz: identified code c1 input output 50 50 l1 l2 c2
tel: +86-23-62808818 fax: +86-23-62808382 www.sipatsaw.com / sales@sipat.com part number LBS22502 rev. date 2010-09-09 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 225mhz 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: LBS22502 typical performance frequency response passband response 210 215 220 225 230 235 240 -111.1945 -101.1945 -91.1945 -81.1945 -71.1945 -61.1945 -51.1945 -41.1945 -31.1945 -21.1945 -11.1945 type performance frequency(mhz) magnitude(db) 220 221 222 223 224 225 226 227 228 229 230 -23.6945 -23.1945 -22.6945 -22.1945 -21.6945 -21.1945 -20.6945 -20.1945 -19.6945 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) 220 221 222 223 224 225 226 227 228 229 230 1000 1100 1200 1300 1400 1500 1600 1700 1800 x: 225 y: 1432 type performance frequency(mhz) group delay time(ns) x: 227 y: 1416 x: 223 y: 1413 220 221 222 223 224 225 226 227 228 229 230 -15 -10 -5 0 5 10 x: 223 y: -1.209 type performance frequency(mhz) degree(deg) x: 227 y: 1.446 x: 225 y: -0.8664 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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