tel: +86-23-62808818 fax: +86-23-62808382 www.sipatsaw.com / sales@sipat.com part number LBT87503 rev. date 2010-07-05 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 875mhz saw filter 12mhz 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: LBT87503 features ? for if 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 - 875 - insertion loss(f06mhz) db - 1.7 2.5 1db bandwidth mhz 12 21.55 - passband variation(f06mhz) db - 0.5 1 10 800mhz db 25 37 - 800 850mhz db 30 32 - 900 1119mhz db 35 39 - ultimate rejection 1119 2600mhz db 20 33 - material temperature coefficient khz/c -28 substrate material - 42lt 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 smd3.0*3.0 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 LBT87503 rev. date 2010-07-05 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 875mhz saw filter 12mhz 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: LBT87503 matching configuration source/load impedance=50 ohm notes - component values may change depending on board layout. package dimension package: smd3.0*3.0 unit: mm pad configuration: input: 2 output: 5 ground: all others marking configuration: 1) ?: pad number 1 index 2) h75c: part number 3) xxyy: date(year/month) input output 50 50 1.250.17 3.000.10 3.000.10 1.50 0.60 0.85 1.150.12 h75c xxyy 1 2 3 6 5 4 1 2 3 6 5 4 1.30 1.60
tel: +86-23-62808818 fax: +86-23-62808382 www.sipatsaw.com / sales@sipat.com part number LBT87503 rev. date 2010-07-05 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 875mhz saw filter 12mhz 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: LBT87503 typical performance frequency response passband response 780 800 820 840 860 880 900 920 940 960 -91.0642 -81.0642 -71.0642 -61.0642 -51.0642 -41.0642 -31.0642 -21.0642 -11.0642 -1.0642 8.9358 type performance frequency(mhz) magnitude(db) 840 850 860 870 880 890 900 -3.0642 -2.5642 -2.0642 -1.5642 -1.0642 -0.5642 -0.0642 0.4358 type performance frequency(mhz) amplitude ripple(db) horizontal: 20mhz/div vertical: 10db/div horizontal: 10mhz/div vertical: 0.5db/div group delay variation(f06mhz) phase linearity(f06mhz) 865 870 875 880 885 -60 -40 -20 0 20 40 60 80 100 120 x: 875 y: 35.36 type performance frequency(mhz) group delay time(ns) x: 869 y: 30.57 x: 881 y: 38.81 865 870 875 880 885 -25 -20 -15 -10 -5 0 5 10 15 20 25 x: 881 y: -2.258 type performance frequency(mhz) degree(deg) x: 869 y: -2.668 x: 875 y: 0.7829 horizontal: 5mhz/div vertical: 20ns/div horizontal: 5mhz/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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