tel: +86-23-62808818 fax: +86-23-62808382 www.sipatsaw.com / sales@sipat.com part number LBT38301 rev. date 2010-03-30 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 382.5mhz saw filter 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: LBT38301 features ? for rf saw filter ? single-ended operation ? ceramic surface mount package ? small size ? no matching required for operation at 50 ? ? rohs compliant (2002/95/ec), pb-free specifications parameter unit minimum typical maximum center frequency mhz - 382.5 - insertion loss db - 2.6 4 2 db bandwidth mhz 5 6 - passband variation(f02.5mhz) db - 0.7 2 100~370mhz db 30 47 - 387.5~390mhz db 15 32 - 390~550mhz db 30 36 - ultimate rejection 550~1000mhz db 15 28 - return loss db 10 11 - material temperature coefficient khz/c -12.24 substrate material - 42lt ambient temperature c 25 dc voltage v 0 input power dbm - - 10 esd class - 1a package size smd5.0*5.0 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 LBT38301 rev. date 2010-03-30 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 382.5mhz saw filter 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: LBT38301 matching configuration source/load impedance=50 ohm notes - component values may change depending on board layout. package dimension 1.27 0.10 2.08 0.15 1.20 0.15 2.54 0.10 0.60 0.10 1 2 3 6 5 7 8 4 5.00 0.15 5.00 0.15 1.35 0.25 1 package: smd5.0*5.0 unit: mm pad configuration: input: 2 output: 6 ground: all others marking configuration: 1) ?: pad number 1 index 2) sipat: manufacturer name 3) 38301: part number 4) xxyy: date(year/month) 5) zz: identified code input output 50 50
tel: +86-23-62808818 fax: +86-23-62808382 www.sipatsaw.com / sales@sipat.com part number LBT38301 rev. date 2010-03-30 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 382.5mhz saw filter 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: LBT38301 typical performance frequency response passband response 360 365 370 375 380 385 390 395 400 405 -92.6272 -82.6272 -72.6272 -62.6272 -52.6272 -42.6272 -32.6272 -22.6272 -12.6272 -2.6272 7.3728 type performance frequency(mhz) magnitude(db) 375 380 385 390 -4.6272 -4.1272 -3.6272 -3.1272 -2.6272 -2.1272 -1.6272 -1.1272 type performance frequency(mhz) amplitude ripple(db) horizontal: 5mhz/div vertical: 10db/div horizontal: 5mhz/div vertical: 0.5db/div group delay variation(f02.5mhz) phase linearity(f02.5mhz) 377 378 379 380 381 382 383 384 385 386 387 388 -800 -600 -400 -200 0 200 400 600 800 1000 x: 380 y: 210.7 type performance frequency(mhz) group delay time(ns) x: 385 y: 259 377 378 379 380 381 382 383 384 385 386 387 388 -40 -30 -20 -10 0 10 20 30 x: 380 y: 4.169 type performance frequency(mhz) degree(deg) x: 385 y: -4.14 horizontal: 1mhz/div vertical: 200ns/div horizontal: 1mhz/div vertical: 10deg/div return loss(s11) return loss(s22) 375 380 385 390 -35 -30 -25 -20 -15 -10 -5 0 x: 380 y: -11.55 type performance (s11) frequency(mhz) magnitude(db) x: 385 y: -21.83 375 380 385 390 -30 -25 -20 -15 -10 -5 0 x: 380 y: -19.34 type performance (s22) frequency(mhz) m agnitude(db ) x: 385 y: -15.07 horizontal: 5mhz/div vertical: 5db/div horizontal: 5mhz/div vertical: 5db/div
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