tel: +86-23-62808818 fax: +86-23-62808382 www.sipatsaw.com / sawmkt@sipat.com part number lbt94502 rev. date 2009-09-28 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 945mhz saw filter 30mhz 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: lbt94502 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 - 945 - insertion loss(930~960mhz) db - 2.4 3.6 1 db bandwidth mhz 30 35.1 - 3 db bandwidth mhz 40 40.13 - passband variation(930~960mhz) db - 0.8 1.8 dc 885mhz db 48 56 - 885 915mhz db 18 23 - 990 1050mhz db 20 39 - ultimate rejection 1050 2000mhz db 30 34 - material temperature coefficient khz/c -30.24 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 smd3.8*3.8 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 lbt94502 rev. date 2009-09-28 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 945mhz saw filter 30mhz 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: lbt94502 matching configuration source/load impedance=50 ohm notes - component values may change depending on board layout. package dimension package: smd3.8*3.8 unit: mm pad configuration: input: 2 output: 6 ground: all others marking configuration: 1) ?: pad number 1 index 2) 94502: part number 3) xxyy: date(year/month) input output 50 50 1.80 0.60 1.90 1.27 1.20max 3.80 0.20 3.80 0.15 123 6 5 7 1 2 3 7 6 5 94502 xxyy 8 4 1.50 4 8 1.00
tel: +86-23-62808818 fax: +86-23-62808382 www.sipatsaw.com / sawmkt@sipat.com part number lbt94502 rev. date 2009-09-28 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 945mhz saw filter 30mhz 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: lbt94502 typical performance frequency respond passband respond 700 750 800 850 900 950 1000 1050 1100 1150 -91.6154 -81.6154 -71.6154 -61.6154 -51.6154 -41.6154 -31.6154 -21.6154 -11.6154 -1.6154 8.3846 type performance frequency(mhz) magnitude(db) 900 920 940 960 980 1000 -3.6154 -3.1154 -2.6154 -2.1154 -1.6154 -1.1154 -0.6154 -0.1154 type performance frequency(mhz) amplitude ripple(db) horizontal: 50mhz/div vertical: 10db/div horizontal: 20mhz/div vertical: 0.5db/div group delay variation(f015mhz) phase linearity(f015mhz) 900 910 920 930 940 950 960 970 980 990 -40 -20 0 20 40 60 80 100 x: 930 y: 43.34 type performance frequency(mhz) group delay time(ns) x: 960 y: 38.99 x: 945 y: 31.01 900 910 920 930 940 950 960 970 980 990 -50 -40 -30 -20 -10 0 10 20 30 40 x: 930 y: 5.264 type performance frequency(mhz) degree(deg) x: 960 y: 2.372 x: 945 y: -1.756 horizontal: 10mhz/div vertical: 20ns/div horizontal: 10mhz/div vertical: 10deg/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
|
