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 lbt 94303 rev. date 20 13 - 0 5-21 ver. 1.0 page 1 / 3 china china electronics electronics technology technology group group corporation corporation no.26 no.26 research research institute institute 942.5 mhz saw filter 35 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: lbt lbt lbt lbt 94303 94303 94303 94303 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 - 942.5 - insertion loss 925 ~ 960 mhz db - 2.3 3.0 amplitude ripple 925 ~ 960 mhz db - 1.3 1.5 attenuation dc ~ 905 mhz db 17 19 - 905 ~ 915 mhz db 5 20 - 980 ~ 1000 mhz db 13 20 - 1000 ~ 2000 mhz db 20 22 - vswr 925 ~ 960 mhz - 1.8 2.7 material temperature coefficient khz/ c - 33.93 substrate material - 42lt ambient temperature c 25 operating temperature range c -40 - +85 storage temperature range c -55 - +100 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 lbt 94303 rev. date 20 13 - 0 5-21 ver. 1.0 page 2 / 3 china china electronics electronics technology technology group group corporation corporation no.26 no.26 research research institute institute 942.5 mhz saw filter 35 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: lbt lbt lbt lbt 94303 94303 94303 94303 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 : 5 ground : all others marking marking marking marking configuration configuration configuration configuration : : : : 1) ? : pad number 1 index 2 ) i43c : part number 3) xxyy : date (year/month) 4) zz: identified code package: package: package: package: smd3. smd3. smd3. smd3. 0 0 0 0 *3. *3. *3. *3. 0 0 0 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 1.240.18 3.000.10 3.000.10 1.50 0.76 0.890.08 i43c xxyy 1 2 3 6 5 4 1 2 3 6 5 4 1.60 0.61
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 lbt 94303 rev. date 20 13 - 0 5-21 ver. 1.0 page 3 / 3 china china electronics electronics technology technology group group corporation corporation no.26 no.26 research research institute institute 942.5 mhz saw filter 35 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: lbt lbt lbt lbt 94303 94303 94303 94303 typical performance frequency respon se passband respon se 750 800 850 900 950 1000 1050 1100 -90.9251 -80.9251 -70.9251 -60.9251 -50.9251 -40.9251 -30.9251 -20.9251 -10.9251 -0.9251 9.0749 type performance frequency(mhz) magnitude(db) 900 910 920 930 940 950 960 970 980 990 -3.4251 -2.9251 -2.4251 -1.9251 -1.4251 -0.9251 -0.4251 0.0749 0.5749 1.0749 1.5749 x: 925 y: -2.281 type performance frequency(mhz) amplitude ripple(db) x: 960 y: -1.427 horizontal: 50mhz /div vertical: 10db /div horizontal: 10mhz /div vertical: 0.5db /div vswr s11 vswr s22 860 880 900 920 940 960 980 1000 1020 1040 1 2 3 4 5 6 7 8 x: 925 y: 1.749 type performance (vswr1) frequency(mhz) magnitude(db) x: 960 y: 1.101 860 880 900 920 940 960 980 1000 1020 1 2 3 4 5 6 7 8 x: 925 y: 1.576 type performance (vsw r2) frequency(mhz) magnitude(db) x: 960 y: 1.13 horizontal: 2 0mhz /div vertical: 1ns /div horizontal: 2 0mhz /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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