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 / sa les @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 lb s20502 rev. date 2012-0 3-09 ver. 1 .0 page 1 / 3 china china electronics electronics technology technology group group corporation corporation no.26 no.26 research research institute institute 204.8 mhz saw filter 1.2 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:lb number:lb number:lb number:lb s20502 s20502 s20502 s20502 features ? for if saw filter ? high attenuation ? single-ended operation ? dual in-line package ? 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 204.62 204.8 204.98 insertion loss db - 22.8 24 3 db bandwidth mhz 1.2 1.26 - 40 db bandwidth 1.97 2.0 passband variation db - 0.4 1. 0 absolute delay usec - 3.52 4.0 ultimate rejection ( f0 1.8 mhz ) db 50 51 - material temperature coefficient khz/ c 0.21 substrate material - st42qz ambient temperature c 25 operating temperature range c -25 - +85 storage temperature range c -45 - + 85 dc voltage v 0 input power dbm - - 10 esd class - 1 c package size dip 27 12 ( 27 *12. 8 * 4.7 mm3) 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 / sa les @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 lb s20502 rev. date 2012-0 3-09 ver. 1 .0 page 2 / 3 china china electronics electronics technology technology group group corporation corporation no.26 no.26 research research institute institute 204.8 mhz saw filter 1.2 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:lb number:lb number:lb number:lb s20502 s20502 s20502 s20502 matching configuration ? l1=27nh l1=27nh l1=27nh l1=27nh c1=22pf c1=22pf c1=22pf c1=22pf 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 1 output 5 ground 2 3 4 6 marking marking marking marking configuration configuration configuration configuration : : : : 1 ) sipat: manufacturer n ame 2 ) lb s20502 : part number 3 ) xxyy : date (year/month) 4) zz: identified code package: package: package: package: dip3512 dip3512 dip3512 dip3512 unit: unit: unit: unit: mm mm mm mm 1 2 3 4 5 6 7.62 0.50 17.70 0.50 4.50 0.50 4.30 0.50 sipat 12.80 0.50 2.54 0.20 2.54 0.20 0.45 0.05 LBS20502 xxyyzz 27.00 0.50
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 / sa les @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 lb s20502 rev. date 2012-0 3-09 ver. 1 .0 page 3 / 3 china china electronics electronics technology technology group group corporation corporation no.26 no.26 research research institute institute 204.8 mhz saw filter 1.2 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:lb number:lb number:lb number:lb s20502 s20502 s20502 s20502 typical performance frequency respon se passband respon se 200 201 202 203 204 205 206 207 208 209 -112.7912 -102.7912 -92.7912 -82.7912 -72.7912 -62.7912 -52.7912 -42.7912 -32.7912 -22.7912 -12.7912 type performance frequency(mhz) magnitude(db) 203.5 204 204.5 205 205.5 206 -25.2912 -24.7912 -24.2912 -23.7912 -23.2912 -22.7912 -22.2912 -21.7912 -21.2912 -20.7912 -20.2912 type performance frequency(mhz) amplitude ripple(db) horizontal: 1 mhz /div vertical: 10db /div horizontal: 0.5 mhz /div vertical: 0.5db /div group delay variation phase linearity 204 204.2 204.4 204.6 204.8 205 205.2 205.4 205.6 205.8 2800 3000 3200 3400 3600 3800 4000 4200 4400 4600 x: 204.8 y: 3545 type performance frequency(mhz) group delay time(ns) x: 204.2 y: 3355 x: 205.6 y: 3579 204 204.2 204.4 204.6 204.8 205 205.2 205.4 205.6 -10 -8 -6 -4 -2 0 2 4 6 8 10 12 x: 204.8 y: -0.5594 type performance frequency(mhz) degree(deg) x: 205.4 y: -0.7294 x: 204.2 y: -9.839 horizontal: 0.2 mhz /div vertical: 200 ns /div horizontal: 0.2 mhz /div vertical: 2 deg /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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