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| Data Sheet 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 Part Number 855914 326.4 MHz SAW Filter * Package Surface Mount 7.01 x 5.51 x 1.63 mm Pin Configuration Bottom View 1 2 3 12 0.76 1.63 NOM. 1.78 MAX. 4 5 6 11 10 7.01 1.27 9 8 7 1.70 5.51 1.27 Pin No. 4 10 1,2,3,5,6 7,8,9,11,12 Description Output Input Case ground Case ground 0.79 1.14 Dimensions shown are nominal in millimeters All tolerances are 0.15mm except overall length and width 0.13mm Body: Al2O3 ceramic Lid: Kovar, Ni plated Terminations: Au plating 0.5 - 1.0m, over a 2 - 6m Ni plating Subject to change or obsolescence without notice Rev C 09-Sep-2002 Page 1 of 5 Data Sheet Temperature Range: (2) -10 to +80 oC Part Number 855914 326.4 MHz SAW Filter Electrical Specifications (1) Parameter (3) Center Frequency Minimum Insertion Loss 2 dB Lower Frequency 2 dB Upper Frequency 2 dB Bandwidth 40 dB Lower Frequency 40 dB Upper Frequency 40 dB Bandwidth Relative Attenuation 10 - 276.4 MHz 276.4 - 306.4 MHz 346.4 - 376.4 MHz 376.4 - 450 MHz Amplitude Ripple 323.9 - 328.9 MHz Group Delay Variation 318.9 - 333.9 MHz Input VSWR 318.9 - 333.9 MHz Output VSWR 318.9 - 333.9 MHz Source Impedance (4) Load Impedance (4) Notes: 1. 2. 3. 4. Minimum 333.9 15 313.9 50 45 45 50 - Typical 326.4 12.61 317.77 335.18 17.4 314.62 338.31 23.69 60 51 56 64 0.2 24 1.33:1 1.34:1 50 50 Maximum 17 318.9 338.9 25 0.5 50 2.0:1 2.0:1 - Unit MHz dB MHz MHz MHz MHz MHz MHz dB dB dB dB dB p-p nsec All specifications are based on the test circuit shown below In production, devices will be tested at room temperature to a guardbanded specification to ensure electrical compliance over temperature Electrical margin has been built into the design to account for the variations due to temperature drift and manufacturing tolerances 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 27nH 10 4 33pf 50 50 Single-ended 50 18pf 1,2,3,5,6,7 8,9,11,12 Subject to change or obsolescence without notice Rev C 09-Sep-2002 Page 2 of 5 Data Sheet Part Number 855914 326.4 MHz SAW Filter Typical Performance (at +25oC) Subject to change or obsolescence without notice Rev C 09-Sep-2002 Page 3 of 5 Data Sheet Actual matching values may vary due to PCB layout and parasitics 27nH 10 4 Part Number 855914 326.4 MHz SAW Filter Matching Schematics 50 Single-ended 50 18pf 1,2,3,5,6,7 8,9,11,12 33pf 50 Marking 1.34 PCB Footprint .99 .28 1.34 .28 Date code ID dot SAWTEK 855914 XXXXXX 5.71 .99 7.21 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 represents a recommendation only Dimensions shown are nominal in millimeters Tape and Reel 2.7 16.8 O330 ID dot 0.3 2.0 4.0 O1.5 A 1.75 7.5 7.3 16.0 O102 Direction of travel O20.2 O13.0 2.0 2.2 Section A-A 5.8 8.0 O1.5 A Dimensions shown are nominal in millimeters Packaging quantity: 3000 units/reel Subject to change or obsolescence without notice Rev C 09-Sep-2002 Page 4 of 5 Data Sheet Parameter Operating Temperature Range Storage Temperature Range Input Power Part Number 855914 326.4 MHz SAW Filter Maximum Ratings Symbol T Tstg Pin Minimum -10 -40 - Maximum +80 +85 +15 Unit C C dBm o o Warnings * * Electrostatic Sensitive Device (ESD) Avoid ultrasonic exposure Links to Additional Technical Information PCB Layout Tips S-Parameters Qualification Flowchart Soldering Profile Other Technical Information Sawtek's liability is limited only to the Surface Acoustic Wave (SAW) component(s) described in this data sheet. Sawtek does not accept any liability for applications, processes, circuits or assemblies which are implemented using any Sawtek component described in this data sheet. Contact Information PO Box 609501 Orlando, FL 32860-9501 USA Subject to change or obsolescence without notice Phone: +1 (407) 886-8860 Fax: +1 (407) 886-7061 Email: custservice@sawtek.com Web: www.sawtek.com Rev C Or contact one of our worldwide network of sales offices, representatives or distributors 09-Sep-2002 Page 5 of 5 This datasheet has been downloaded from: www..com Datasheets for electronic components. |
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