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| Preliminary Data Sheet Features * * * * * * For IF applications Typical 3 dB bandwidth of 0.7 MHz High attenuation Single-ended operation Ceramic Surface Mount Package (SMP) Replaces Sawtek P/N 851542 (BW 3dB = 0.5 MHz) Part Number 855736 70 MHz SAW Filter * Package Surface Mount 24.60 x 9.00 x 2.31 mm Pin Configuration Bottom View 12345 2.31 NOM. 2.62 MAX. 1.02 24.6 1.80 1.91 10 9 8 7 6 9.00 R0.5 2.31 3.53 x 4.83 1.02 Pin No. 1 5 6 10 2,3,4,7,8,9 Description Input return Output Output return Input Case ground Dimensions shown are nominal in millimeters All tolerances are 0.15mm except overall length and width 0.20mm 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 06-Sep-2002 Page 1 of 5 Preliminary Data Sheet Operating Temperature Range: (2) 0 to +70 oC Part Number 855736 70 MHz SAW Filter Electrical Specifications (1) Parameter (3) Center Frequency Minimum Insertion Loss Upper 1 dB Point (4) Lower 1 dB Point (4) Upper 3 dB Point (4) Lower 3 dB Point (4) Upper 40 dB Point (4) Lower 40 dB Point (4) Absolute Attenuation 10 - 68 MHz 72 - 85 MHz 85 - 108 MHz 108 - 140 MHz 140 - 200 MHz Minimum 70.155 70.31 69.165 60 45 60 50 60 - Typical 70 21.3 70.205 69.795 70.35 69.65 70.815 69.185 62 55 62 55 62 0.8 1.2 100 50 50 Maximum 22 69.845 69.69 70.836 1 3 200 - Unit MHz dB MHz MHz MHz MHz MHz MHz dB dB dB dB dB dB p-p deg p-p nsec p-p Amplitude Variation 69.85 - 70.15 MHz Phase Ripple 69.85 - 70.15 MHz Group Delay Variation 69.85 - 70.15 MHz Source Impedance: (6) Load Impedance: (6) 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 Test Circuit: 5pF 1000nH 10 5 33pF 50 1000nH 6pF 50 Single-ended 50 1,2,3,4 6,7,8,9 Subject to change or obsolescence without notice Rev A 06-Sep-2002 Page 2 of 5 Preliminary Data Sheet Part Number 855736 70 MHz SAW Filter Typical Performance (at +25oC) Subject to change or obsolescence without notice Rev A 06-Sep-2002 Page 3 of 5 Preliminary Data Sheet Actual matching values may vary due to PCB layout and parasitics 5pF 1000nH 10 5 1000nH 6pF Part Number 855736 70 MHz SAW Filter Matching Schematics 50 Single-ended 50 1,2,3,4 6,7,8,9 33pF 50 Marking PCB Footprint 8.84 SAWTEK 855736 XXXXXX ID dot Date code 9.19 1.95 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 4.0 Tape and Reel 2.7 44.8 O330 ID dot 0.36 2.0 O1.5 A 1.75 20.2 40.4 25.6 44.0 O102 O20.2 O13.0 2.0 Direction of travel 0.20 2.6 Section A-A 9.39 12.0 R0.75 O1.5 A Dimensions shown are nominal in millimeters Packaging quantity: 1000 units/reel Subject to change or obsolescence without notice Rev A 06-Sep-2002 Page 4 of 5 Preliminary Data Sheet Maximum Ratings Parameter Operating Temperature Range Storage Temperature Range RF Power Part Number 855736 70 MHz SAW Filter Symbol T Tstg Pin Minimum 0 -40 - Maximum +70 +85 +10 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 A Or contact one of our worldwide network of sales offices, representatives or distributors 06-Sep-2002 Page 5 of 5 |
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