tel: +86-23-62808818 fax: +86-23-62808382 www.sipatsaw.com / sales@sipat.com part number LB140DS05 rev. date 2009-12-17 sipat co., ltd. ( cetc no.26 research institute ) #14 nanping huayuan road, chongqing, china, 400060 ver. 3.0 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 140mhz 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: LB140DS05 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 139.8 140 140.2 insertion loss db - 10.1 13 1 db bandwidth mhz 4.9 5.04 - 3 db bandwidth mhz - 5.91 - 35 db bandwidth mhz - 8.97 9.2 passband variation(f02.5mhz) db - 0.9 1 absolute delay usec - 1 - group delay variation(f02mhz) nesc - 140 200 inside of f010mhz db 37 41 - ultimate rejection outside of f010mhz db 40 47 - material temperature coefficient khz/c -2.52 substrate material - 112lt ambient temperature c 25 dc voltage v 0 input power dbm - - 10 esd class - 1a 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 LB140DS05 rev. date 2009-12-17 sipat co., ltd. ( cetc no.26 research institute ) #14 nanping huayuan road, chongqing, china, 400060 ver. 3.0 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 140mhz 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: LB140DS05 matching configuration l1=82nh l2=150nh l3=120nh l4=68nh 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: 11 output: 5 ground: all others marking configuration: 1) ?: pad number 1 index 2) sipat: manufacturer name 3) LB140DS05: part number 4) xxyy: date(year/month) 5) zz: identified code l2 input output 50 50 l1 l3 l4 6 5 12 11 4 3 7 8 9 10 1 3 2 4 10 7 8 9 12 11 5 6 13.30.2 6.50.2 1.61 0.19 0.4 0.8 0.76 1.5 2.54 sipat LB140DS05 xxyyzz
tel: +86-23-62808818 fax: +86-23-62808382 www.sipatsaw.com / sales@sipat.com part number LB140DS05 rev. date 2009-12-17 sipat co., ltd. ( cetc no.26 research institute ) #14 nanping huayuan road, chongqing, china, 400060 ver. 3.0 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 140mhz 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: LB140DS05 typical performance frequency response passband response 115 120 125 130 135 140 145 150 155 160 165 -100.1315 -90.1315 -80.1315 -70.1315 -60.1315 -50.1315 -40.1315 -30.1315 -20.1315 -10.1315 -0.1315 type performance frequency(mhz) magnitude(db) 134 136 138 140 142 144 146 -12.1315 -11.6315 -11.1315 -10.6315 -10.1315 -9.6315 -9.1315 -8.6315 type performance frequency(mhz) amplitude ripple(db) horizontal: 5mhz/div vertical: 10db/div horizontal: 2mhz/div vertical: 0.5db/div group delay variation(f02mhz) phase linearity(f02mhz) 135 136 137 138 139 140 141 142 143 144 145 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 x: 140 y: 962.7 type performance frequency(mhz) group delay time(ns) x: 142 y: 947.9 x: 138 y: 959.2 135 136 137 138 139 140 141 142 143 144 145 -20 -15 -10 -5 0 5 10 15 x: 142 y: 1.582 type performance frequency(mhz) degree(deg) x: 138 y: -2.648 x: 140 y: -0.9228 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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