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| Preliminary Data Sheet Features * * * * * * * * For broadband applications Typical 3 dB bandwidth of 14.1 MHz High attenuation No impedance matching required for operation at 50 Single-ended operation Ceramic Surface Mount Package (SMP) Small size Replaces Sawtek P/N 851925 (BW 3dB=14 MHz) Part Number 856070 140 MHz SAW Filter * Package Surface Mount 13.30 x 6.50 x 1.50 mm Pin Configuration Bottom View 1 2 3 4 5 1.50 NOM. 1.65 MAX. 0.64 10 13.3 1.80 1.91 9 8 7 6 6.50 R0.51 2.31 1.02 Pin No. 5 10 1,6 2,3,4 7,8,9 Description Output Input Ground Case ground Case ground Dimensions shown are nominal in millimeters All tolerances are 0.15mm except overall length and width 0.10mm 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 - 27-Aug-2002 Page 1 of 5 Preliminary Data Sheet Operating Temperature Range: (2) 0 to +70 oC Part Number 856070 140 MHz SAW Filter Electrical Specifications (1) Parameter (3) Center Frequency Minimum Insertion Loss Lower 1 dB Bandedge (4) Upper 1 dB Bandedge Lower 3 dB Bandedge (4) Upper 3 dB Bandedge Lower 40 dB Bandedge (4) Upper 40 dB Bandedge Amplitude Variation 134.11 - 145.89 MHz Phase Linearity 134.11 - 145.89 MHz Group Delay Variation 134.11 - 145.89 MHz Absolute Delay Relative Attenuation (4) 15 - 50 MHz 50 - 127 MHz 156 - 240 MHz 240 - 290 MHz 290 - 310 MHz 310 - 350 MHz Source Impedance (5) Load Impedance (5) Substrate Material Temperature Coefficient of Frequency Notes: 1. 2. 3. 4. 5. 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 All attenuation measurements are measured relative to minimum insertion loss This is the optimum impedance in order to achieve the performance shown Minimum 145.89 146.23 130.87 42 48 48 43 42 44 - Typical 140 23.3 133.26 146.67 132.93 147.00 131.58 148.33 0.31 2.06 27 1.50 49 55 53 49 48 48 50 50 YZ LiNbO3 -94 Maximum 24.5 134.11 133.77 149.13 0.70 6.00 55 - Unit MHz dB MHz MHz MHz MHz MHz MHz dB deg nsec sec dB dB dB dB dB dB ppm/oC Test Circuit: Actual matching values may vary due to PCB layout and parasitics 10 5 50 50 Single-ended 50 1,2,3,4 6,7,8,9 Subject to change or obsolescence without notice Rev - 27-Aug-2002 Page 2 of 5 Preliminary Data Sheet Part Number 856070 140 MHz SAW Filter Typical Performance (at +25oC) Subject to change or obsolescence without notice Rev - 27-Aug-2002 Page 3 of 5 Preliminary Data Sheet Actual matching values may vary due to PCB layout and parasitics 10 5 Part Number 856070 140 MHz SAW Filter Matching Schematics 50 Single-ended 50 1,2,3,4 6,7,8,9 50 Marking PCB Footprint 8.84 SAWTEK 856070 XXXXXX 6.70 2.00 1.22 .69 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 24.8 2.7 O330 ID dot 0.3 2.0 4.0 O1.5 A 1.75 11.5 13.9 24 O102 Direction of travel O20.2 O13.0 2.0 2.3 Section A-A 7.1 12.0 O1.5 A Dimensions shown are nominal in millimeters Packaging quantity: 2000 units/reel Subject to change or obsolescence without notice Rev - 27-Aug-2002 Page 4 of 5 Preliminary Data Sheet Maximum Ratings Parameter Operating Temperature Range Storage Temperature Range Part Number 856070 140 MHz SAW Filter Symbol T Tstg Minimum 0 -40 Typical +25 - Maximum +70 +85 Unit o o C C 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 - Or contact one of our worldwide network of sales offices, representatives or distributors 27-Aug-2002 Page 5 of 5 |
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