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| Preliminary Data Sheet Features * * * * * * * * For broadband access applications Usable bandwidth 10 MHz Low loss High attenuation No impedance matching required for operation at 200 Balanced operation Ceramic Surface Mount Package (SMP) Small size Part Number 856298 1220 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 8 4 3.00 7 6 5 3.00 0.60 0.75 1.20 0.60 Pin No. 1 2 5 6 3,4,7,8 Description Input Input return Output return Output 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-Jun-2003 Page 1 of 5 Preliminary Data Sheet Operating Temperature Range: (2) -10 to +70 oC Part Number 856298 1220 MHz SAW Filter Electrical Specifications (1) Parameter (3) Center Frequency Maximum Insertion Loss 1215 - 1225 MHz Lower 1.5 dB Bandedge (4) Upper 1.5 dB Bandedge Stopband Rejection (4) 500 - 1152 MHz 1152 - 1190 MHz 1250 - 1288 MHz 1288 - 2000 MHz Amplitude Ripple (5) 1215 - 1225 MHz Group Delay Ripple (5) 1215 - 1225 MHz Source Impedance (6) Load Impedance (6) Notes: 1. 2. 3. 4. 5. 6. 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 will be referenced the insertion loss at center frequency Maximum peak to adjacent valley measured over the defined range This is the optimum impedance in order to achieve the performance shown Minimum 1225 55 30 30 55 - Typical 1220 4.5 1209.5 1230.5 60 55 55 50 0.5 30 200 200 Maximum 5.5 1215 1.5 - Unit MHz dB MHz MHz dB dB dB dB dB ns Test Circuit: 1 5 200 2 3,4,7,8 6 200 Balanced 200 No impedance matching required Subject to change or obsolescence without notice Rev - 27-Jun-2003 Page 2 of 5 Preliminary Data Sheet Part Number 856298 1220 MHz SAW Filter Typical Performance (at +25oC) Subject to change or obsolescence without notice Rev - 27-Jun-2003 Page 3 of 5 Preliminary Data Sheet Part Number 856298 1220 MHz SAW Filter Matching Schematics 1 5 200 2 3,4,7,8 6 200 Balanced 200 No impedance matching required Marking Sawtek logo Marking code PCB Footprint 1.39 .81 BJ JJJYM ID dot Date code .96 3.20 SQ .38 .81 .23 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 2.7 12.8 O330 ID dot 4.0 0.21 2.0 O1.5 A 1.75 5.5 12.0 Sawtek logo O102 O20.2 O13.0 2.0 Direction of travel 1.4 Section A-A 3.25 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 - 27-Jun-2003 Page 4 of 5 Preliminary Data Sheet Maximum Ratings Parameter Operating Temperature Range Storage Temperature Range Part Number 856298 1220 MHz SAW Filter Symbol T Tstg Minimum -10 -40 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-Jun-2003 Page 5 of 5 |
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