tel: +86-23-62808818 fax: +86-23-62808382 www.sipatsaw.com / sawmkt@sipat.com part number LBS20501 rev. date 2009-04-24 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 204.5mhz 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: LBS20501 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 204.4 204.5 204.6 insertion loss db - 21.6 26 1 db bandwidth mhz - 3.61 - 3 db bandwidth mhz 3.8 3.88 - 40 db bandwidth mhz - 4.97 5.02 passband variation db - 0.6 1 group delay variation(f01.5mhz) nsec - 120 200 absolute delay usec - 2.47 - ultimate rejection db 45 48 - material temperature coefficient khz/c 0.2 substrate material - qz 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 - 1b package size dip2712 (27.0x12.8x4.7mm3) 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 LBS20501 rev. date 2009-04-24 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 204.5mhz 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: LBS20501 matching configuration l1=33nh l2=27nh c1=39pf c2=27pf source/load impedance=50 ohm notes - component values may change depending on board layout. package dimension package: dip2712 unit: mm pad configuration: input 1 output 5 ground all others marking configuration: 1) sipat: manufacturer name 2) LBS20501: part number 3) xxyy: date(year/month) 4) zz: identified code c1 input output 50 50 l1 l2 c2 1 2 3 45 6 7.62 0.20 17.70 0.20 4.50 0.50 4.70 0.50 sipat 12.80 0.50 2.54 0.20 2.54 0.20 0.45 0.05 LBS20501 xxyyzz 27.00 0.50
tel: +86-23-62808818 fax: +86-23-62808382 www.sipatsaw.com / sawmkt@sipat.com part number LBS20501 rev. date 2009-04-24 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 204.5mhz 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: LBS20501 typical performance frequency respond passband respond 196 198 200 202 204 206 208 210 212 214 -111.5555 -101.5555 -91.5555 -81.5555 -71.5555 -61.5555 -51.5555 -41.5555 -31.5555 -21.5555 -11.5555 type performance frequency(mhz) magnitude(db) 198 200 202 204 206 208 210 -24.0555 -23.5555 -23.0555 -22.5555 -22.0555 -21.5555 -21.0555 -20.5555 -20.0555 type performance frequency(mhz) amplitude ripple(db) horizontal: 2mhz/div vertical: 10db/div horizontal: 2mhz/div vertical: 0.5db/div group delay variation(f01.5mhz) phase linearity(f01.5mhz) 201 202 203 204 205 206 207 208 1800 2000 2200 2400 2600 2800 3000 x: 204.5 y: 2506 type performance frequency(mhz) group delay time(ns) x: 206 y: 2444 x: 203 y: 2432 201 202 203 204 205 206 207 208 -30 -25 -20 -15 -10 -5 0 5 10 15 20 25 x: 203 y: -1.061 type performance frequency(mhz) degree(deg) x: 206 y: 1.207 x: 204.5 y: -1.193 horizontal: 1mhz/div vertical: 200ns/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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