tel: +86-23-62808818 fax: +86-23-62808382 www.sipatsaw.com / sawmkt@sipat.com part number SP233 rev. date 2009-02-11 sipat co., ltd. ( cetc no.26 research institute ) #14 nanping huayuan road, chongqing, china, 400060 ver. 1.1 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 0.5mhz 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: SP233 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 233.1 233.15 233.2 insertion loss db - 14.2 15 3 db bandwidth mhz 0.47 0.53 - passband variation db - 0.1 - group delay variation(f00.2mhz) nsec - 160 300 absolute delay usec - 1.31 - ultimate rejection db 18 21 - material temperature coefficient khz/c qz substrate material - 0.233 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 - 1a package size sc04-01 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 / sawmkt@sipat.com part number SP233 rev. date 2009-02-11 sipat co., ltd. ( cetc no.26 research institute ) #14 nanping huayuan road, chongqing, china, 400060 ver. 1.1 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 0.5mhz 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: SP233 matching configuration l1=27nh l2=39nh source/load impedance=50 ohm notes - component values may change depending on board layout. package dimension package: sc04-01 unit: mm pad configuration: input 1 output 4 ground 2 3 marking configuration: 1) SP233: part number 2) xxyy: date(year/month) l1 l2 input output 50 50
tel: +86-23-62808818 fax: +86-23-62808382 www.sipatsaw.com / sawmkt@sipat.com part number SP233 rev. date 2009-02-11 sipat co., ltd. ( cetc no.26 research institute ) #14 nanping huayuan road, chongqing, china, 400060 ver. 1.1 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 0.5mhz 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: SP233 typical performance frequency respond passband respond 229 230 231 232 233 234 235 236 237 238 -95.3779 -85.3779 -75.3779 -65.3779 -55.3779 -45.3779 -35.3779 -25.3779 -15.3779 -5.3779 type performance frequency(mhz) magnitude(db) 232.2 232.4 232.6 232.8 233 233.2 233.4 233.6 233.8 234 -17.8779 -17.3779 -16.8779 -16.3779 -15.8779 -15.3779 -14.8779 -14.3779 -13.8779 type performance frequency(mhz) amplitude ripple(db) horizontal: 1mhz/div vertical: 10db/div horizontal: 0.2mhz/div vertical: 0.5db/div group delay variation(f00.2mhz) phase linearity(f00.2mhz) 232.2 232.4 232.6 232.8 233 233.2 233.4 233.6 233.8 234 400 600 800 1000 1200 1400 1600 1800 2000 2200 x: 233.1 y: 1260 type performance frequency(mhz) group delay time(ns) x: 233.3 y: 1406 x: 232.9 y: 1306 232.2 232.4 232.6 232.8 233 233.2 233.4 233.6 233.8 234 -25 -20 -15 -10 -5 0 5 10 15 20 x: 233.1 y: -0.1158 type performance frequency(mhz) degree(deg) x: 233.3 y: -1.678 x: 232.9 y: -1.038 horizontal: 0.2mhz/div vertical: 200ns/div horizontal: 0.2mhz/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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