data sheet part number 855914 326.4 mhz saw filter subject to change or obsolescence without notice rev c 09-sep-2002 page 1 of 5 features ? for 3g applications ? 15 mhz bandwidth for high data rates ? high attenuation ? single-ended operation at 50 ? ? ceramic surface mount package (smp) ? small size ? package pin configuration surface mount 7.01 x 5.51 x 1.63 mm bottom view 12 11 10 4 5 6 8 9 7 3 2 1 pin no. description 4 output 10 input 1,2,3,5,6 7,8,9,11,12 case ground case ground 1.63 nom. 1.78 max. 5.51 0.76 1.14 1.27 1.70 0.79 1.27 7.01 dimensions shown are nominal in millimeters all tolerances are 0.15mm except overall length and width 0.13mm body: al 2 o 3 ceramic lid: kovar , ni plated terminations: au plating 0.5 - 1.0 m, over a 2 - 6 m ni plating
data sheet part number 855914 326.4 mhz saw filter subject to change or obsolescence without notice rev c 09-sep-2002 page 2 of 5 electrical specifications (1) temperature range: (2) -10 to +80 o c parameter (3) minimum typical maximum unit center frequency - 326.4 - mhz minimum insertion loss - 12.61 17 db 2 db lower frequency 2 db upper frequency 2 db bandwidth - 333.9 15 317.77 335.18 17.4 318.9 - - mhz mhz mhz 40 db lower frequency 40 db upper frequency 40 db bandwidth 313.9 - - 314.62 338.31 23.69 - 338.9 25 mhz mhz mhz relative attenuation 10 - 276.4 mhz 276.4 - 306.4 mhz 346.4 - 376.4 mhz 376.4 - 450 mhz 50 45 45 50 60 51 56 64 - - - - db db db db amplitude ripple 323.9 - 328.9 mhz - 0.2 0.5 db p-p group delay variation 318.9 - 333.9 mhz - 24 50 nsec input vswr 318.9 - 333.9 mhz - 1.33:1 2.0:1 - output vswr 318.9 - 333.9 mhz - 1.34:1 2.0:1 - source impedance (4) - 50 - ? load impedance (4) - 50 - ? notes : 1. all specifications are based on the test circuit shown below 2. in production, devices will be tested at room temperature to a guardbanded specific ation to ensure electrical compliance ove r temperature 3. electrical margin has been built into the design to accoun t for the variations due to temperature drift and manufacturing to lerances 4. this is the optimum impedance in order to achieve the performance shown test circuit: actual matching values may vary due to pcb layout and parasitics 50 ? single-ended 1,2,3,5,6,7 8,9,11,12 50 ? 18pf 27nh 33pf 10 4 50 ?
data sheet part number 855914 326.4 mhz saw filter subject to change or obsolescence without notice rev c 09-sep-2002 page 3 of 5 typical performance (at +25 o c)
data sheet part number 855914 326.4 mhz saw filter subject to change or obsolescence without notice rev c 09-sep-2002 page 4 of 5 matching schematics actual matching values may vary due to pcb layout and parasitics 50 ? single-ended 1,2,3,5,6,7 8,9,11,12 50 ? 18pf 27nh 33pf 10 4 50 ? marking pcb footprint date code 855914 sawtek id dot xxxxxx 5.71 .99 7.21 1.34 1.34 .99 .28 .28 the date code consists of: day of the current year (julian, 3 digits), last digit of the year (1 digit) and hour (2 digits) this footprint represent s a recommendation only dimensions shown are nominal in millimeters tape and reel section a-a 0.3 2.2 7.3 5.8 ?1.5 8.0 4.0 2.0 a a ?1.5 16.0 7.5 1.75 id dot 2.0 ?13.0 ?20.2 ?330 16.8 2.7 direction of travel ?102 dimensions shown are nominal in millimeters packaging quantity: 3000 units/reel
data sheet part number 855914 326.4 mhz saw filter subject to change or obsolescence without notice rev c 09-sep-2002 page 5 of 5 maximum ratings parameter symbol minimum maximum unit operating temperature range t -10 +80 o c storage temperature range t stg -40 +85 o c input power p in - +15 dbm warnings ? electrostatic sensitive device (esd) ? avoid ultrasonic exposure links to additional technical information pcb layout tips qualification flowchart soldering profile s-parameters other technical information sawtek?s liability is limited only to the surface acoustic wave (saw) component(s) described in this data sheet. sawtek does n ot accept any liability for applications, processes, circuits or asse mblies which are implemented using any sawtek component described in this data sheet. contact information po box 609501 orlando, fl 32860-9501 usa phone: +1 (407) 886-8860 fax: +1 (407) 886-7061 email: custservice@sawtek.com web: www.sawtek.com or contact one of our worldwide network of sales offices, representatives or distributors
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