tel: +86-23-62808818 fax: +86-23-62808382 www.sipatsaw.com / sales@sipat.com part number LBS23302 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 233mhz 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: LBS23302 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 232.9 233 233.1 insertion loss db - 23.6 25 1 db bandwidth mhz - 4.08 - 1.5 db bandwidth mhz 4 4.28 - 3 db bandwidth mhz - 4.68 - 40 db bandwidth mhz - 6.78 - passband variation db - 0.4 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 LBS23302 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 233mhz 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: LBS23302 matching configuration l1=56nh l2=47nh c1=18pf c2=15pf source/load impedance=50 ohm notes - component values may change depending on board layout. package dimension 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) LBS23302: part number 4) xxyy: date(year/month) 5) zz: identified code c1 input output 50 50 l1 l2 c2 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 LBS23302 xxyyzz 0.51
tel: +86-23-62808818 fax: +86-23-62808382 www.sipatsaw.com / sales@sipat.com part number LBS23302 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 233mhz 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: LBS23302 typical performance frequency response passband response 220 225 230 235 240 245 -113.5824 -103.5824 -93.5824 -83.5824 -73.5824 -63.5824 -53.5824 -43.5824 -33.5824 -23.5824 -13.5824 type performance frequency(mhz) magnitude(db) 228 229 230 231 232 233 234 235 236 237 238 -26.0824 -25.5824 -25.0824 -24.5824 -24.0824 -23.5824 -23.0824 -22.5824 -22.0824 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) 228 229 230 231 232 233 234 235 236 237 238 1200 1250 1300 1350 1400 1450 1500 1550 1600 x: 233 y: 1429 type performance frequency(mhz) group delay time(ns) x: 235 y: 1399 x: 231 y: 1409 228 229 230 231 232 233 234 235 236 237 238 -15 -10 -5 0 5 10 15 x: 235 y: 1.065 type performance frequency(mhz) degree(deg) x: 231 y: -0.03477 x: 233 y: 1.668 horizontal: 1mhz/div vertical: 50ns/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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