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| Preliminary Data Sheet Features * * * * * * * For broadband applications Typical 3dB bandwidth of 57.0 MHz High attenuation Single-ended operation Ceramic Surface Mount Package (SMP) Small size Replaces Sawtek P/N 851947 (BW 3dB=56 MHz) Part Number 856074 140 MHz SAW Filter * Package Surface Mount 9.00 x 7.01 x 1.50 mm Pin Configuration Bottom View 1 2 3 10 1.50 NOM. 1.65 MAX. 9.00 2.54 1.80 0.76 4 9 5 8 7 6 7.01 2.54 1.12 1.02 x 2.54 1.02 Pin No. 4 5 9 10 1,2,3,6,7,8 Description Output Output return Input Input return Case ground Dimensions shown are nominal in millimeters All tolerances are 0.15mm except overall length and width +0.10mm/-0.15mm 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 29-Jul-2002 Page 1 of 5 Preliminary Data Sheet Operating Temperature Range: (2) 0 to +70 oC Part Number 856074 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 115.75 - 164.25 MHz Phase Linearity 115.75 - 164.25 MHz Group Delay Variation 115.75 - 164.25 MHz Absolute Delay Relative Attenuation (4) 10 - 27.5 MHz 27.5 - 102 MHz 178 - 252.5 MHz 252.5 - 300 MHz Terminating Source Impedance: (5) Terminating 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 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 164.25 167.20 102.20 49 39 37 36 - Typical 140 18.65 112.7 166.1 111.4 168.4 106.3 176.4 0.60 4.07 31 0.531 58 42 42 44 50 50 128 LiNbO3 -74 Maximum 19.5 115.75 112.80 177.80 1.15 7.75 60 - Unit MHz dB MHz MHz MHz MHz MHz MHz dB p-p deg p-p ns p-p sec dB dB dB dB ppm/oC Test Circuit: Actual matching values may vary due to PCB layout and parasitics 91nH 9 4 100nH 50 50 Single-ended 50 4pF 1,2,3,5 6,7,8,10 Subject to change or obsolescence without notice Rev A 29-Jul-2002 Page 2 of 5 Preliminary Data Sheet Part Number 856074 140 MHz SAW Filter Typical Performance (at +25oC) Subject to change or obsolescence without notice Rev A 29-Jul-2002 Page 3 of 5 Preliminary Data Sheet Actual matching values may vary due to PCB layout and parasitics 91nH 9 4 100nH Part Number 856074 140 MHz SAW Filter Matching Schematics 50 Single-ended 50 4pF 1,2,3,5 6,7,8,10 50 Marking PCB Footprint 9.19 1.32 ID dot SAWTEK 856074 XXXXXX 1.22 Date code 7.21 3.76 2.07 1.22 1.32 1.32 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 0.3 2.0 4.0 O1.5 A 1.75 7.5 16.0 7.22 12.0 A ID dot 9.22 O102 O20.2 O13.0 2.0 Direction of travel 2.2 Section A-A O1.5 Dimensions shown are nominal in millimeters Packaging quantity: 2000 units/reel Subject to change or obsolescence without notice Rev A 29-Jul-2002 Page 4 of 5 Preliminary Data Sheet Maximum Ratings Parameter Operating Temperature Range Storage Temperature Range Part Number 856074 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 Reel and Packaging Label 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 29-Jul-2002 Page 5 of 5 |
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