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 lbt493 01 rev. date 20 13 - 0 5-13 ver. 1.0 page 1 / 3 china china electronics electronics technology technology group group corporation corporation no.26 no.26 research research institute institute 492.5 mhz saw filter 5mhz 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: lbt493 lbt493 lbt493 lbt493 01 01 01 01 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 492.5 insertion loss (490~495mhz) db 3.5 4.5 vswr(490~495mhz) db 1. 4 2 1db bandwidth mhz 4.9 5.94 attenuation 100 480 mhz db 30 35 480 487.5 mhz db 15 18 497.5 505 mhz db 15 20 505 1000 mhz db 30 35 material temperature coefficient khz/ c - 17.73 substrate material - 42lt ambient temperature c 25 operating temperature range c 25 storage temperature range c -55 - +100 esd class - 1a package size smd3.8*3.8 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 lbt493 01 rev. date 20 13 - 0 5-13 ver. 1.0 page 2 / 3 china china electronics electronics technology technology group group corporation corporation no.26 no.26 research research institute institute 492.5 mhz saw filter 5mhz 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: lbt493 lbt493 lbt493 lbt493 01 01 01 01 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 ) sipat: manufacturer n ame 2 ) 49301 : part number 3 ) xxyy : date (year/month) 4) zz: identified code package: package: package: package: smd3. smd3. smd3. smd3. 8 8 8 8 *3. *3. *3. *3. 8 8 8 8 unit: unit: unit: unit: mm mm mm mm input input input input output output output output 50 50 50 50 50 50 50 50 0.60 1.27 1.50 0.25 3.80 0.15 3.80 0.15 1 2 3 6 5 7 1 2 3 7 6 5 49301 xxyyzz 8 4 4 8 1.00 0.15 sipat
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 lbt493 01 rev. date 20 13 - 0 5-13 ver. 1.0 page 3 / 3 china china electronics electronics technology technology group group corporation corporation no.26 no.26 research research institute institute 492.5 mhz saw filter 5mhz 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: lbt493 lbt493 lbt493 lbt493 01 01 01 01 typical performance frequency respon se passband respon se 460 470 480 490 500 510 520 -92.6414 -82.6414 -72.6414 -62.6414 -52.6414 -42.6414 -32.6414 -22.6414 -12.6414 -2.6414 7.3586 type performance frequency(mhz) magnitude(db) 484 486 488 490 492 494 496 498 500 502 -5.1414 -4.6414 -4.1414 -3.6414 -3.1414 -2.6414 -2.1414 -1.6414 -1.1414 -0.6414 -0.1414 type performance frequency(mhz) amplitude ripple(db) horizontal: 10 mhz /div vertical: 10db /div horizontal: 2 mhz /div vertical: 0.5db /div vswr s11 vswr s22 475 480 485 490 495 500 505 1 2 3 4 5 6 7 8 9 x: 490 y: 1.058 type performance (vswr1) frequency(mhz) magnitude(db) x: 495 y: 1.254 480 485 490 495 500 505 1 2 3 4 5 6 7 8 9 x: 490 y: 1.095 type performance (vswr2) frequency(mhz) magnitude(db) x: 495 y: 1.249 horizontal: 5 mhz /div vertical: 1ns /div horizontal: 5 mhz /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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