tel: +86-23-62808818 fax: +86-23-62808382 www.sipatsaw.com / sales@sipat.com part number LBT83704 rev. date 2011-07-11 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 836.5mhz saw filter 25mhz 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: LBT83704 features ? for rf 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 - 836.5 - insertion loss(824 849mhz) db - 3.1 3.8 passband variation(824 849mhz) db - 1 1.8 input/output vswr(824 849mhz) - - 1.6 2 869 894mhz db 25 29 - ultimate rejection 920 2000mhz db 32 51 - material temperature coefficient khz/c -26.8 substrate material - 42lt ambient temperature c 25 operating temperature range c -30 - +85 storage temperature range c -40 - +100 dc voltage v 0 input power dbm - - 15 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 LBT83704 rev. date 2011-07-11 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 836.5mhz saw filter 25mhz 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: LBT83704 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: 1,3,4,6 marking configuration: 1) ?: pad number 1 index 2) h37d: part number 3) xxyy: date(year/month) input output 50 50 2 5 1.50max 3.000.10 3.000.10 1.50 0.60 0.90.08 h37d xxyy 1 2 3 6 5 4 1 2 3 6 5 4 1.3 1.60
tel: +86-23-62808818 fax: +86-23-62808382 www.sipatsaw.com / sales@sipat.com part number LBT83704 rev. date 2011-07-11 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 836.5mhz saw filter 25mhz 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: LBT83704 typical performance frequency response passband response 740 760 780 800 820 840 860 880 900 920 -92.1264 -82.1264 -72.1264 -62.1264 -52.1264 -42.1264 -32.1264 -22.1264 -12.1264 -2.1264 7.8736 type performance frequency(mhz) magnitude(db) 810 820 830 840 850 860 -4.6264 -4.1264 -3.6264 -3.1264 -2.6264 -2.1264 -1.6264 -1.1264 -0.6264 type performance frequency(mhz) amplitude ripple(db) horizontal: 20mhz/div vertical: 10db/div horizontal: 10mhz/div vertical: 0.5db/div group delay variation(f012.5mhz) phase linearity(f012.5mhz) 810 815 820 825 830 835 840 845 850 855 860 -60 -40 -20 0 20 40 60 80 100 120 140 x: 824 y: 53.14 type performance frequency(mhz) group delay time(ns) x: 849 y: 44.41 810 815 820 825 830 835 840 845 850 855 860 -50 -40 -30 -20 -10 0 10 20 30 40 x: 824 y: 7.412 type performance frequency(mhz) degree(deg) x: 849 y: 4.88 horizontal: 5mhz/div vertical: 20ns/div horizontal: 5mhz/div vertical: 10deg/div input vswr(f012.5mhz) output vswr(f012.5mhz) 800 810 820 830 840 850 860 870 0.5 1 1.5 2 2.5 x: 824 y: 1.188 type performance (vswr1) frequency(mhz) magnitude(db) x: 849 y: 1.28 800 810 820 830 840 850 860 870 0.5 1 1.5 2 2.5 x: 824 y: 1.181 type performance (vswr2) frequency(mhz) magnitude(db) x: 849 y: 1.258
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