phone: +86-23-62920684 fax: +86-23-6280528 4 www.sipatsaw.com / sawmkt@sipat.com tel: +86-23-62808818 fax: +86-23-6280 8382 www.sipatsaw.com / sawmkt@sipat.com sipat sipat sipat sipat co., co., co., co., ltd. ltd. ltd. ltd. ( cetc no.26 research institute ) #14 nanping huayuan road, chongqing, china, 400060 part number LBT94803 rev. date 20 13 - 06-03 ver. 1.0 page 1 / 3 china china electronics electronics technology technology group group corporation corporation no.26 no.26 research research institute institute 947.5 mhz saw filter 25 mhz bandwidth sipat sipat sipat sipat sipat sipat sipat sipat co., co., co., co., co., co., co., co., ltd. ltd. ltd. ltd. ltd. ltd. ltd. ltd. www.sipatsaw.com www.sipatsaw.com www.sipatsaw.com www.sipatsaw.com www.sipatsaw.com www.sipatsaw.com www.sipatsaw.com www.sipatsaw.com part part part part number: number: number: number: LBT94803 LBT94803 LBT94803 LBT94803 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 parameter parameter parameter unit unit unit unit minimum minimum minimum minimum typical typical typical typical maximum maximum maximum maximum center frequency mhz - 947.5 - insertion loss (935~960mhz) db - 3.0 3.5 amplitude ripple (935~960mhz) db - 1.1 1.5 vswr(935~960mhz) db - 1.7 2.0 attenuation dc 870 mhz db 45 50 - 870 915 mhz db 40 42 - 980 985 mhz db 28 35 - 985 1025 mhz db 29 40 1025 1500 mhz db 42 45 - 1500 2000 mhz db 40 45 - 2000 3000 mhz db 35 40 - material temperature coefficient khz/ c -34.11 substrate material - 42lt ambient temperature c 25 operating temperature range c -40 - +85 storage temperature range c -40 - +85 dc voltage v 5 source power dbm 15 esd class - 1a package size smd3.0*3.0 notes: notes: notes: notes: 1. all specifications are based on the test circuit shown ; 2. in production, a ll specifications are measured by agilent 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.
phone: +86-23-62920684 fax: +86-23-6280528 4 www.sipatsaw.com / sawmkt@sipat.com tel: +86-23-62808818 fax: +86-23-6280 8382 www.sipatsaw.com / sawmkt@sipat.com sipat sipat sipat sipat co., co., co., co., ltd. ltd. ltd. ltd. ( cetc no.26 research institute ) #14 nanping huayuan road, chongqing, china, 400060 part number LBT94803 rev. date 20 13 - 06-03 ver. 1.0 page 2 / 3 china china electronics electronics technology technology group group corporation corporation no.26 no.26 research research institute institute 947.5 mhz saw filter 25 mhz bandwidth sipat sipat sipat sipat sipat sipat sipat sipat co., co., co., co., co., co., co., co., ltd. ltd. ltd. ltd. ltd. ltd. ltd. ltd. www.sipatsaw.com www.sipatsaw.com www.sipatsaw.com www.sipatsaw.com www.sipatsaw.com www.sipatsaw.com www.sipatsaw.com www.sipatsaw.com part part part part number: number: number: number: LBT94803 LBT94803 LBT94803 LBT94803 matching configuration source/load source/load source/load source/load impedance=50 impedance=50 impedance=50 impedance=50 ohm ohm ohm ohm notes - component values may change depending on board layout. package dimension pad pad pad pad configuration configuration configuration configuration : : : : input : 2 output : 6 ground : all others marking marking marking marking configuration configuration configuration configuration : : : : 1) ? : pad number 1 index 2 ) i48c : part number 3 ) xxyy : date (year/month) package: package: package: package: smd3.0*3.0 smd3.0*3.0 smd3.0*3.0 smd3.0*3.0 unit: unit: unit: unit: mm mm mm mm input input input input output output output output 50 50 50 50 50 50 50 50
phone: +86-23-62920684 fax: +86-23-6280528 4 www.sipatsaw.com / sawmkt@sipat.com tel: +86-23-62808818 fax: +86-23-6280 8382 www.sipatsaw.com / sawmkt@sipat.com sipat sipat sipat sipat co., co., co., co., ltd. ltd. ltd. ltd. ( cetc no.26 research institute ) #14 nanping huayuan road, chongqing, china, 400060 part number LBT94803 rev. date 20 13 - 06-03 ver. 1.0 page 3 / 3 china china electronics electronics technology technology group group corporation corporation no.26 no.26 research research institute institute 947.5 mhz saw filter 25 mhz bandwidth sipat sipat sipat sipat sipat sipat sipat sipat co., co., co., co., co., co., co., co., ltd. ltd. ltd. ltd. ltd. ltd. ltd. ltd. www.sipatsaw.com www.sipatsaw.com www.sipatsaw.com www.sipatsaw.com www.sipatsaw.com www.sipatsaw.com www.sipatsaw.com www.sipatsaw.com part part part part number: number: number: number: LBT94803 LBT94803 LBT94803 LBT94803 typical performance frequency respon se passband respon se 800 850 900 950 1000 1050 -91.8013 -81.8013 -71.8013 -61.8013 -51.8013 -41.8013 -31.8013 -21.8013 -11.8013 -1.8013 8.1987 type performance frequency(mhz) magnitude(db) 910 920 930 940 950 960 970 980 -4.3013 -3.8013 -3.3013 -2.8013 -2.3013 -1.8013 -1.3013 -0.8013 -0.3013 0.1987 0.6987 x: 934.9 y: -2.43 type performance frequency(mhz) amplitude ripple(db) x: 960.1 y: -2.949 horizontal: 50mhz /div vertical: 10db /div horizontal: 10mhz /div vertical: 0.5db /div vswr s11 vswr s22 800 850 900 950 1000 1050 0 1 2 3 4 5 6 7 8 9 10 x: 934.9 y: 1.437 type performance (vswr1) frequency(mhz) magnitude(db) x: 960.1 y: 1.74 800 850 900 950 1000 1050 0 1 2 3 4 5 6 7 8 9 10 x: 934.9 y: 1.516 type performance (vswr2) frequency(mhz) magnitude(db) x: 960.1 y: 1.663 horizontal: 50mhz /div vertical: 1ns /div horizontal: 50mhz /div vertical: 1deg /div smith chart s11 smith chart s 22 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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