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| Data Sheet Features * * * * * * * For DCS applications Usable bandwidth 75 MHz Low loss No impedance matching required for operation at 50 Single-ended operation Ceramic Surface Mount Package (SMP) Small size Part Number 855860 1842.5 MHz SAW Filter * Package Surface Mount 3.00 x 3.00 x 1.22 mm Pin Configuration Bottom View 1 2 3 1.22 NOM. 1.32 MAX. 0.69 3.00 6 5 4 0.75 1.50 3.00 0.75 Pin No. 2,5 1,3,4,6 Description Input/Output Case ground 0.60 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 A 14-Sep-2001 Page 1 of 5 Data Sheet Operating Temperature Range: (2) -20 to +70 oC Part Number 855860 1842.5 MHz SAW Filter Electrical Specifications (1) Parameter (3) Center Frequency Maximum Insertion Loss 1805 - 1815 MHz (+15 to +70 oC) 1805 - 1815 MHz ( -20 to +15 oC) 1815 - 1870 MHz 1870 - 1880 MHz Absolute Attenuation 10 - 1720 MHz 1720 - 1765 MHz 1765 - 1785 MHz 1920 - 1980 MHz 1980 - 2410 MHz 2410 - 3120 MHz 3120 - 4000 MHz Input/Output Return Loss 1805 - 1880 MHz Source Impedance: (4) Load Impedance: (4) Notes: 1. 2. 3. 4. Minimum 20 25 8 15 17 20 17 6 - Typical 1842.5 2.8 1.9 2.1 23 29 23 27 24 24 25 9.2 50 50 Maximum 3.3 3.7 3 3.6 - Unit MHz dB dB dB dB dB dB dB dB dB dB dB dB 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: 2 5 50 50 Single-ended 50 1,3,4,6 No impedance matching required Subject to change or obsolescence without notice Rev A 14-Sep-2001 Page 2 of 5 Data Sheet Part Number 855860 1842.5 MHz SAW Filter Typical Performance (at +25oC) Subject to change or obsolescence without notice Rev A 14-Sep-2001 Page 3 of 5 Data Sheet Part Number 855860 1842.5 MHz SAW Filter Matching Schematics 2 5 50 50 Single-ended 50 1,3,4,6 No impedance matching required Marking Marking code PCB Footprint 3.20 SQ .96 Sawtek logo V JJJYM 1.70 1.27 ID dot Date code .81 .38 The date code consists of: JJJ = Julian day, Y = last digit of year, M = manufacturing site code This footprint represents a recommendation only Dimensions shown are nominal in millimeters Tape and Reel 12.8 2.7 O330 Sawtek logo 4.0 0.21 2.0 O1.5 A 1.75 5.5 ID dot O102 O20.2 O13.0 2.0 Direction of travel 12.0 3.25 1.4 Section A-A 3.25 4.0 O1.5 A Dimensions shown are nominal in millimeters Packaging quantity: 5000 units/reel Subject to change or obsolescence without notice Rev A 14-Sep-2001 Page 4 of 5 Data Sheet Parameter Operating Temperature Range Storage Temperature Range RF Power Part Number 855860 1842.5 MHz SAW Filter Maximum Ratings Symbol T Tstg Pin Minimum -20 -40 - Maximum +70 +85 +13 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 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 Or contact one of our worldwide Network of sales offices, Representatives or distributors Rev A 14-Sep-2001 Page 5 of 5 |
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